MedTerm Speak

Master the language of medicine

W-plasty

DUB-ul-yoo PLAS-tee

/ˈdʌbəljuː ˈplæsti/

A surgical technique used to revise scars by creating a series of small, interlocking triangular flaps to break up linear tension.

Waardenburg syndrome

WAR-den-berg

/ˈvɑːrdənbɜːrɡ/

A genetic condition that can cause hearing loss and changes in coloring (pigmentation) of the hair, skin, and eyes.

Waist-to-hip ratio

WAYST too HIP

/weɪst tuː hɪp ˈreɪʃioʊ/

A measurement used to assess abdominal obesity and predict the risk of developing cardiovascular disease.

Walker

WAW-ker

/ˈwɔːkər/

A tool for disabled or elderly people who need additional support to maintain balance or stability while walking.

Walker-Warburg syndrome

WAW-ker WAR-burg

/ˈwɔːkər ˈwɔːrbɜːrɡ/

A rare multisystem genetic disorder characterized by muscle, brain, and eye abnormalities.

Walking pneumonia

WAW-king noo-MOHN-yah

/ˈwɔːkɪŋ njuːˈmoʊniə/

A non-medical term for a mild case of pneumonia, often caused by Mycoplasma pneumoniae.

Wall, abdominal

WAWL ab-DOM-ih-nul

/wɔːl æbˈdɒmɪnəl/

The layers of muscle and fascia that enclose the abdominal cavity.

Wall, cell

WAWL SEL

/wɔːl sɛl/

A rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria.

Wall-eye

WAWL-eye

/ˈwɔːlaɪ/

Exotropia; a form of strabismus where one or both eyes turn outward.

Wallerian degeneration

wah-LEER-ee-un

/vɑːˈlɪəriən/

The process that results when a nerve fiber is cut or crushed and the part of the axon distal to the injury degenerates.

Wallstent

WAWL-stent

/ˈwɔːlstɛnt/

A brand name for a self-expanding metal stent used in vascular or biliary procedures.

Wallstent endoprosthesis

WAWL-stent en-doh-pros-THEE-sis

/ˈwɔːlstɛnt ˌɛndoʊprɒsˈθiːsɪs/

A self-expanding medical device used to maintain the patency of narrowed blood vessels or ducts.

Walther, Ducts of

VAHL-ter DUKTS

/ˈvɑːltər dʌkts/

The minor sublingual ducts that drain saliva from the sublingual glands into the floor of the mouth.

Walther, Plexus of

VAHL-ter PLEK-sus

/ˈvɑːltər ˈplɛksəs/

An autonomic nerve plexus found in the pharyngeal region.

Wandering spleen

WAN-der-ing SPLEEN

/ˈwɒndərɪŋ spliːn/

A rare condition where the spleen is not in its normal position due to laxity of the supporting ligaments.

Wangensteen tube

WANG-en-steen

/ˈwæŋənstiːn tjuːb/

A type of nasogastric tube used for gastric decompression.

Warburg effect

WAR-burg

/ˈvɑːrbɜːrɡ ɪˈfɛkt/

The observation that cancer cells preferentially use glycolysis for energy even in the presence of oxygen.

Ward

WARD

/wɔːrd/

A room or division in a hospital for the care of a particular group of patients.

Wardround

WARD-rownd

/ˈwɔːrdraʊnd/

A visit by a doctor to hospital patients in their beds to review their progress.

Warfarin

WAR-far-in

/ˈwɔːrfərɪn/

An anticoagulant medication used to prevent blood clots; commonly known by the brand name Coumadin.

Warm antibody

WARM AN-tih-bod-ee

/wɔːrm ˈæntɪˌbɒdi/

An immunoglobulin (usually IgG) that reacts optimally with its antigen at body temperature (37°C).

Warning sign

WAR-ning SYN

/ˈwɔːrnɪŋ saɪn/

A symptom or physiological change that suggests the presence of an underlying medical emergency (e.g., chest pain for MI).

Warren shunt

WAR-en SHUNT

/ˈwɔːrən ʃʌnt/

A distal splenorenal shunt used to treat portal hypertension.

Wart

WART

/wɔːrt/

A small, hard, benign growth on the skin, caused by a virus (HPV).

Wart, Plantar

PLAN-tar WART

/ˈplæntər wɔːrt/

A wart caused by HPV that develops on the soles of the feet.

Wart, Venereal

veh-NEER-ee-ul WART

/vəˈnɪəriəl wɔːrt/

Condyloma acuminatum; a genital wart caused by HPV.

Wart, Verruca

vuh-ROO-kah

/vəˈruːkə/

A common wart usually found on the hands or fingers.

Washed red blood cells

WOSHT

/wɒʃt rɛd blʌd sɛlz/

Red blood cells that have been rinsed with saline to remove plasma proteins, used to prevent allergic reactions in transfusions.

Wassermann test

WAHS-er-mahn

/ˈwɑːsərmən tɛst/

An antibody test for syphilis, based on complement fixation.

Wasting

WAYST-ing

/ˈweɪstɪŋ/

The process by which a debilitating disease causes the muscle and fat tissue to 'waste' away.

Wasting syndrome

WAYST-ing

/ˈweɪstɪŋ ˈsɪndroʊm/

Cachexia; a condition involving extreme weight loss and muscle atrophy, common in AIDS and advanced cancer.

Wasting, muscle

WAYST-ing MUS-ul

/ˈweɪstɪŋ ˈmʌsəl/

Atrophy; the loss of muscle mass caused by lack of use, malnutrition, or disease.

Water intoxication

WAW-ter in-tok-sih-KAY-shun

/ˈwɔːtər ɪnˌtɒksɪˈkeɪʃən/

Hyponatremia; a potentially fatal disturbance in brain functions that results when the normal balance of electrolytes is pushed out of limits by overhydration.

Water on the brain

WAW-ter on the BRAYN

/ˈwɔːtər ɒn ðə breɪn/

A colloquial term for hydrocephalus, an accumulation of cerebrospinal fluid in the brain.

Water-borne

WAW-ter born

/ˈwɔːtərbɔːrn/

Diseases caused by microorganisms that are transmitted through contaminated water (e.g., cholera).

Water-clear cell

WAW-ter KLEER

/ˈwɔːtər klɪər sɛl/

A specialized cell found in the parathyroid gland, often seen in cases of parathyroid hyperplasia.

Water-hammer pulse

WAW-ter HAM-er

/ˈwɔːtər ˈhæmər pʌls/

Corrigan's pulse; a jerky pulse that is full and then suddenly collapses, characteristic of aortic regurgitation.

Water-soluble

WAW-ter SOL-yoo-bul

/ˈwɔːtər ˈsɒljʊbəl/

Able to be dissolved in water.

Water-trap

WAW-ter TRAP

/ˈwɔːtərtræp/

A device used in respiratory circuits to collect condensed water and prevent it from reaching the patient.

Waterbrash

WAW-ter-brash

/ˈwɔːtərˌbræʃ/

A sudden flow of excessive saliva in the mouth, often associated with acid reflux.

Waterhouse test

WAW-ter-hows

/ˈwɔːtərhaʊs tɛst/

A test used to detect small amounts of mercury in a substance.

Waterhouse-Friderichsen syndrome

WAW-ter-hows FRID-er-ik-sen

/ˈwɔːtərhaʊs ˈfrɪdrɪksən/

Adrenal gland failure due to bleeding into the adrenal glands, commonly caused by severe bacterial infection.

Waters' view

WAW-terz vyoo

/ˈwɔːtərz vjuː/

A radiographic view used to image the paranasal sinuses, especially the maxillary sinuses.

Watershed infarct

WAW-ter-shed IN-farkt

/ˈwɔːtərʃɛd ɪnˈfɑːrkt/

An area of brain tissue death that occurs between two major arterial territories during periods of systemic hypotension.

Watson-Crick model

WAT-sun KRIK

/ˈwɒtsən krɪk/

The double-helix structure of the DNA molecule.

Wattle

WOT-ul

/ˈwɒtəl/

In anatomy, sometimes used to describe a fleshy excrescence or appendage of the skin.

Wavelength

WAYV-length

/ˈweɪvˌlɛŋkθ/

In medicine, used to define different types of radiation and laser treatments.

Waves, Alpha

AL-fah WAYVZ

/ˈælfə weɪvz/

Rhythmic EEG activity (8-13 Hz) associated with a state of relaxed wakefulness.

Waves, Beta

BAY-tah WAYVZ

/ˈbeɪtə weɪvz/

EEG activity (14-30 Hz) associated with active thinking and alertness.

Waves, Delta

DEL-tah WAYVZ

/ˈdɛltə weɪvz/

Slow EEG activity (0.5-4 Hz) associated with deep sleep.

Waves, Theta

THAY-tah WAYVZ

/ˈθeɪtə weɪvz/

EEG activity (4-7 Hz) associated with drowsiness or light sleep.

Wax, Bone

BOHN WAKS

/boʊn wæks/

A sterile mixture of beeswax and paraffin used to stop bleeding from bone surfaces during surgery.

Wax, Ear

EER WAKS

/ɪər wæks/

Cerumen; a waxy substance secreted in the ear canal.

Waxy degeneration

WAK-see

/ˈwæksi dɪˌdʒɛnəˈreɪʃən/

Amyloidosis; the accumulation of waxy amyloid proteins in tissues.

Waxy flexibility

WAK-see

/ˈwæksi ˌflɛksəˈbɪləti/

A psychomotor symptom of catatonia where a person remains in a specific position for long periods.

Wean

WEEN

/wiːn/

To accustom an infant to food other than its mother's milk; or to gradually withdraw a patient from a dependency (like a ventilator).

Weaver's bottom

WEE-verz BOT-um

/ˈwiːvərz ˈbɒtəm/

Ischial bursitis; inflammation of the bursa over the 'sit bones' due to prolonged sitting on hard surfaces.

Webbing

WEB-ing

/ˈwɛbɪŋ/

The presence of a fold of skin between fingers or toes (syndactyly) or at the side of the neck.

Weber test

WEB-er test

/ˈveɪbər tɛst/

A quick screening test for hearing that can detect one-sided conductive hearing loss and one-sided sensorineural hearing loss.

Weeping

WEEP-ing

/ˈwiːpɪŋ/

The oozing or exuding of fluid, such as from a raw or inflamed skin surface.

Wegener's granulomatosis

VEG-en-erz

/ˈvɛɡənərz ˌɡrænjʊloʊməˈtoʊsɪs/

Now called Granulomatosis with Polyangiitis (GPA); an uncommon inflammation of the blood vessels.

Weight-bearing

WAYT bair-ing

/ˈweɪtˌbɛərɪŋ/

The ability of a patient to put weight on a limb during movement or standing.

Weight-bearing, partial

WAYT bair-ing PAR-shul

/weɪt ˈbɛərɪŋ ˈpɑːrʃəl/

A rehabilitation status where a patient is allowed to put only a specified percentage of their body weight on an injured limb.

Weil's disease

VYLEZ dih-ZEEZ

/vaɪlz dɪˈziːz/

A severe form of leptospirosis, characterized by jaundice, kidney failure, and bleeding.

Weil-Abalos syndrome

VYLE ah-BAH-lohs

/vaɪl əˈbɑːloʊs/

A form of uveitis associated with fever and headache.

Weil-Felix reaction

VYLE FAY-liks

/vaɪl ˈfeɪlɪks riˈækʃən/

A diagnostic agglutination test used to identify Rickettsial diseases like typhus.

Weil-Felix test

VYLE-FAY-liks

/vaɪl ˈfeɪlɪks tɛst/

An agglutination test for the diagnosis of rickettsial infections.

Welander distal myopathy

WEE-lan-der

/ˈwiːlændər/

A rare genetic muscular dystrophy that primarily affects the small muscles of the hands and feet.

Welch's bacillus

WEL-chez bah-SIL-us

/ˈwɛltʃɪz bəˈsɪləs/

An older name for Clostridium perfringens, the cause of gas gangrene.

Well-differentiated

WEL-dif-er-EN-shee-ay-ted

/wɛl ˌdɪfəˈrɛnʃieɪtɪd/

Tumor cells that look and behave much like normal cells in the tissue of origin; usually less aggressive.

Well-patient

WEL PAY-shent

/wɛl ˈpeɪʃənt/

An individual who undergoes a medical examination for preventative care rather than for an active illness.

Wellness

WEL-nes

/ˈwɛlnəs/

The state of being in good health, especially as an actively pursued goal.

Wells' criteria

WELZ kry-TEER-ee-ah

/wɛlz kraɪˈtɪəriə/

A clinical prediction rule used to estimate the probability of deep vein thrombosis (DVT) or pulmonary embolism (PE).

Wen

WEN

/wɛn/

A sebaceous cyst.

Wenckebach phenomenon

WENG-kee-bahk

/ˈwɛŋkɪbɑːk/

A type of second-degree heart block (Mobitz Type I) where the PR interval progressively lengthens until a beat is dropped.

Werdnig-Hoffmann disease

WERD-nig HOF-mahn

/ˈvɜːrdnɪɡ ˈhɒfmən/

Spinal Muscular Atrophy (SMA) Type 1; a severe hereditary muscle-wasting disease of infants.

Wermer's syndrome

WER-merz

/ˈvɜːrmərz/

Multiple Endocrine Neoplasia Type 1 (MEN1).

Werner's syndrome

WER-nerz

/ˈvɜːrnərz ˈsɪndroʊm/

A rare, progressive genetic disorder that causes premature aging (progeria) beginning in adolescence.

Wernicke's aphasia

VER-nih-keez ah-FAY-zhah

/ˈvɛərnɪkiːz əˈfeɪʒə/

A type of aphasia in which an individual is unable to understand sensory information, resulting in fluent but nonsensical speech.

Wernicke's area

WER-nih-keez

/ˈvɛərnɪkiːz ˈɛəriə/

An area of the cerebral cortex in the left temporal lobe important for the comprehension of speech.

Wernicke's encephalopathy

WER-nih-keez

/ˈvɛərnɪkiːz ɛnˌsɛfəˈlɒpəθi/

A neurological disorder caused by thiamine deficiency, characterized by visual disturbances and ataxia.

Wertheim's operation

WERT-hymz

/ˈvɜːrthaɪmz/

A radical hysterectomy performed to treat cervical cancer.

West Nile Virus

WEST NYL

/wɛst naɪl ˈvaɪrəs/

A mosquito-borne virus that can cause neurological disease in humans.

West's syndrome

WESTS SIN-drohm

/wɛsts ˈsɪndroʊm/

A triad of infantile spasms, a particular EEG pattern (hypsarrhythmia), and intellectual disability.

Western blot

WES-tern BLOT

/ˈwɛstərn blɒt/

A laboratory method used to detect specific protein molecules from among a mixture of proteins.

Westphal's sign

WEST-falz SYN

/ˈwɛstfɑːlz saɪn/

The clinical absence of the patellar reflex (knee-jerk reflex).

Wet lung

WET LUNG

/wɛt lʌŋ/

A colloquial term for pulmonary edema or respiratory distress syndrome where fluid fills the alveoli.

Wet prep

WET PREP

/wɛt prɛp/

A gynecological test where a sample of vaginal discharge is observed under a microscope to look for bacteria, yeast, or parasites.

Wet-to-dry dressing

WET too DRY

/wɛt tuː draɪ/

A type of wound dressing used to debride a wound by allowing a wet gauze to dry and stick to dead tissue.

Wharton's duct

WHAR-tunz dukt

/ˈhwɔːrtənz dʌkt/

The submandibular duct that drains saliva into the mouth.

Wharton's jelly

WHAR-tunz JEL-ee

/ˈhwɔːrtənz ˈdʒɛli/

A gelatinous substance within the umbilical cord that protects the blood vessels.

Wharton’s tumor

WHAR-tunz TOO-mor

/ˈhwɔːrtənz ˈtuːmər/

Also known as Warthin's tumor; a benign cystic tumor of the salivary glands, most often the parotid gland.

Wheal

WHEEL

/wiːl/

A suddenly formed, itchy elevation of the skin (hives or a welt).

Wheelchair

WHEEL-chair

/ˈhwiːltʃɛər/

A chair fitted with wheels for use as a means of transport by a person who is unable to walk.

Wheeze

WHEEZ

/wiːz/

A high-pitched whistling sound made while breathing.

Wheezing, inspiratory

WHEEZ-ing

/ˈhwiːzɪŋ ɪnˈspaɪərətɔːri/

A whistling sound heard when a patient breathes in, typically indicating an upper airway obstruction.

Whip-snap effect

WHIP-snap

/hwɪp snæp ɪˈfɛkt/

In trauma, the rapid acceleration and deceleration of the head causing brain injury (coup-contrecoup).

Whip-worm infection

WHIP-wurm

/ˈhwɪpwɜːrm ɪnˈfɛkʃən/

Trichuriasis; an intestinal infection caused by the parasitic nematode Trichuris trichiura.

Whiplash

WIP-lash

/ˈwɪplæʃ/

Injury caused by a severe jerk to the head, typically in a motor-vehicle accident.

Whipple procedure

WIP-ul

/ˈwɪpəl prəˈsiːdʒər/

A complex operation used to treat tumors and other disorders of the pancreas, intestine, and bile duct.

Whipple's disease

WIP-ulz dih-ZEEZ

/ˈhwɪpəlz dɪˈziːz/

A rare bacterial infection caused by Tropheryma whipplei that interferes with normal digestion by impairing the breakdown of foods.

Whipworm

WHIP-wurm

/ˈhwɪpwɜːrm/

Trichuris trichiura; a parasitic roundworm of the large intestine.

Whispered pectoriloquy

WHIS-perd pek-tor-IL-oh-kwee

/ˈhwɪspərd ˌpɛktəˈrɪləkwi/

A clinical sign where a patient's whispered words are heard clearly through a stethoscope, indicating lung consolidation.

Whistle-blowing

WHIS-ul BLOH-ing

/ˈhwɪsəlˌbloʊɪŋ/

In medicine, the act of reporting misconduct or safety concerns within a healthcare organization.

White atrophy

WHYT AT-ruh-fee

/waɪt ˈætrəfi/

Atrophie blanche; white, star-shaped scars on the legs associated with chronic venous insufficiency.

White blood cell

WHYT BLUD SEL

/waɪt blʌd sɛl/

Leukocyte; a cellular component of the blood that lacks hemoglobin, has a nucleus, and helps the body fight infection.

White blood cell count

WHYT BLUD SEL

/waɪt blʌd sɛl kaʊnt/

A test that measures the number of white blood cells in the body; a high count often indicates infection.

White clot syndrome

WHYT KLOT

/waɪt klɒt/

A complication of heparin therapy characterized by arterial thrombosis.

White coat hypertension

WHYT KOHT

/waɪt koʊt ˌhaɪpərˈtɛnʃən/

A phenomenon where a patient's blood pressure is high in a clinical setting but normal at home.

White leg

WHYT LEG

/waɪt lɛɡ/

Phlegmasia alba dolens; swelling and paleness of the leg due to deep vein thrombosis, often seen after childbirth.

White lesion

WHYT LEE-zhun

/waɪt ˈliːʒən/

A general term for any abnormal pale area on the skin or mucous membranes, such as leukoplakia.

White matter

WHYT MAT-er

/waɪt ˈmætər/

The paler tissue of the brain and spinal cord, consisting mainly of nerve fibers with their myelin sheaths.

White substance of Schwann

WHYT SUB-stans

/waɪt ˈsʌbstəns əv ʃvɑːn/

An older term for myelin, the fatty insulation around nerve fibers.

Whiteheads

WHYT-hedz

/ˈwaɪthɛdz/

Closed comedones; a type of acne where pores are clogged with sebum and skin cells.

Whitlow

WIT-loh

/ˈwɪtloʊ/

A painful abscess in the fingertip (herpetic whitlow).

Whitlow, Herpetic

WIT-loh her-PET-ik

/ˈhwɪtləʊ hɜːˈpɛtɪk/

An infection of the finger caused by the herpes simplex virus.

Whitlow, Melanotic

WIT-loh mel-ah-NOT-ik

/ˈhwɪtloʊ ˌmɛləˈnɒtɪk/

A rare form of melanoma that begins under or around the fingernail or toenail.

WHO

W-H-O

/ˌdʌbljuː eɪtʃ ˈoʊ/

World Health Organization; the international agency of the UN for health.

Whole blood

HOHL BLUD

/hoʊl blʌd/

Blood as it is drawn from the body, with no components removed.

Whole-body scan

HOHL BOD-ee SKAN

/hoʊl ˈbɒdi skæn/

A nuclear medicine or radiological procedure that images the entire body to detect cancer or infection.

Whoop

HOOP

/huːp/

The noisy, gasping breath following a paroxysm of coughing in pertussis.

Whooping cough

HOOP-ing KAWF

/ˈhuːpɪŋ kɔːf/

Pertussis; a highly contagious respiratory tract infection marked by a severe hacking cough followed by a high-pitched intake of breath.

Whorl

WHORL

/hwɜːrl/

A spiral or vortex pattern, such as in fingerprints or hair growth.

Wick

WIK

/wɪk/

A strip of gauze or other material used to maintain an opening in a wound for drainage.

Widal test

VEE-dahl test

/viːˈdɑːl tɛst/

A test for typhoid and paratyphoid fever.

Wide-complex tachycardia

WYD-KOM-pleks

/waɪd ˈkɒmplɛks ˌtækiˈkɑːrdiə/

A rapid heart rhythm with a QRS duration greater than 0.12 seconds, often indicating ventricular origin.

Wild-type

WYLD-typ

/ˈwaɪldtaɪp/

The version of a gene or organism that is most common in nature.

Wilkie's syndrome

WIL-keez SIN-drohm

/ˈwɪlkiz ˈsɪndroʊm/

Superior Mesenteric Artery (SMA) syndrome; compression of the duodenum leading to intestinal obstruction.

Williams syndrome

WIL-yumz

/ˈwɪljəmz ˈsɪndroʊm/

A developmental disorder that affects many parts of the body, characterized by mild to moderate intellectual disability and a 'pixie-like' facial appearance.

Willis, Circle of

WIL-is SER-kul

/ˈwɪlɪs ˈsɜːrkəl/

A circulatory anastomosis of arteries at the base of the brain that provides collateral blood flow.

Wilms' tumor

VILMZ TOO-mor

/vɪlmz ˈtuːmər/

Nephroblastoma; a type of kidney cancer that occurs in children.

Wilson's disease

WIL-sunz dih-ZEEZ

/ˈwɪlsənz dɪˈziːz/

A rare inherited disorder that causes copper to accumulate in the liver, brain, and other vital organs.

Wilson's muscle

WIL-sunz MUS-ul

/ˈwɪlsənz ˈmʌsəl/

A name sometimes used for the sphincter urethrae muscle.

Wind-chill factor

WIND-chil

/ˈwɪndˌtʃɪl/

In medicine, used to assess the risk of frostbite and hypothermia.

Wind-up phenomenon

WIND-up

/ˈwaɪndʌp/

A process in the spinal cord where repeated painful stimuli lead to an increase in pain perception.

Window, oval

WIN-doh OH-vul

/ˈwɪndoʊ ˈoʊvəl/

Fenestra vestibuli; the membrane-covered opening that leads from the middle ear to the vestibule of the inner ear.

Window, round

WIN-doh ROWND

/ˈwɪndoʊ raʊnd/

Fenestra cochleae; one of the two openings from the middle ear into the inner ear, allowing for fluid displacement.

Windpipe

WIND-pyp

/ˈwɪndˌpaɪp/

The common name for the trachea.

Windsock deformity

WIND-sok

/ˈwɪndsɒk dɪˈfɔːrmɪti/

An intraluminal duodenal web that has been stretched over time, potentially causing obstruction.

Winged scapula

WINGD SKAP-yoo-lah

/wɪŋd ˈskæpjʊlə/

A condition in which the shoulder blade sticks out from the back, typically due to damage to the long thoracic nerve.

Winging of the scapula

WING-ing SKAP-yoo-lah

/ˈwɪŋɪŋ əv ðə ˈskæpjʊlə/

A condition where the medial border of the scapula protrudes, usually due to serratus anterior muscle weakness.

Winslow, Foramen of

WINZ-loh for-AY-men

/ˈwɪnzloʊ fəˈreɪmən/

The epiploic foramen; the passage of communication between the greater sac and the lesser sac of the abdomen.

Winter itch

WIN-ter ITCH

/ˈwɪntər ɪtʃ/

Pruritus hiemalis; itching of the skin caused by dry, cold weather.

Winter's formula

WIN-terz FOR-myoo-lah

/ˈwɪntərz ˈfɔːrmjʊlə/

A calculation used to determine if a patient’s respiratory compensation for metabolic acidosis is appropriate.

Wirsung, Duct of

VIR-sung dukt

/ˈvɪrsʊŋ dʌkt/

The main pancreatic duct.

Wirsung, Sphincter of

VIR-sung SFINGK-ter

/ˈvɪrsʊŋ ˈsfɪŋktər/

A ring of smooth muscle surrounding the end of the main pancreatic duct.

Wisdom tooth

WIZ-dum TOOTH

/ˈwɪzdəm tuːθ/

The third molar, which usually appears between the ages of 17 and 25.

Wiskott-Aldrich protein

WIS-kot AWL-drich

/ˈwɪskɒt ˈɔːldrɪtʃ ˈproʊtiːn/

WASp; a protein involved in the regulation of the actin cytoskeleton in blood cells.

Wiskott-Aldrich syndrome

WIS-kot AWL-drich

/ˈwɪskɒt ˈɔːldrɪtʃ/

A rare X-linked recessive disease characterized by eczema, low platelet count, and immune deficiency.

Withdrawal

with-DRAW-ul

/wɪðˈdrɔːəl/

The biological and psychological process of detoxifying from a substance; or the removal of a medical intervention.

Withdrawal symptoms

with-DRAW-ul

/wɪðˈdrɔːəl ˈsɪmptəmz/

Physical and mental symptoms that occur after stopping or reducing the intake of a drug.

Wolf-Hirschhorn syndrome

WULF HURSH-horn

/wʊlf ˈhɜːrʃhɔːrn/

A genetic disorder caused by a deletion of material on the fourth chromosome, leading to distinct facial features and developmental delays.

Wolff-Chaikoff effect

WULF CHAY-kof

/wʊlf ˈtʃaɪkɒf/

A reduction in thyroid hormone levels caused by the ingestion of a large amount of iodine.

Wolff-Chaikoff effect

WULF CHAY-kof

/wʊlf ˈtʃaɪkɒf ɪˈfɛkt/

A physiological reduction in thyroid hormone levels following the administration of a large amount of iodine.

Wolff-Parkinson-White (WPW) syndrome

WULF PAR-kin-sun WHYT

/wʊlf ˈpɑːrkɪnsən waɪt/

A heart condition in which there is an extra electrical pathway in the heart that causes a rapid heartbeat.

Wolffian cyst

WULF-ee-un SIST

/ˈwʊlfiən sɪst/

A cyst arising from the remnants of the Wolffian duct, usually in the broad ligament of the uterus.

Wolffian duct

WULF-ee-un DUKT

/ˈwʊlfiən dʌkt/

The embryonic duct that, in the male, develops into the epididymis, vas deferens, and seminal vesicles.

Wood's lamp

WOODZ LAMP

/wʊdz læmp/

A diagnostic tool that uses ultraviolet light to look at the skin; used to detect fungal infections and pigment disorders.

Wood’s light examination

WOODZ LYT

/wʊdz laɪt ɪɡˌzæmɪˈneɪʃən/

The use of UV light to identify specific skin infections (like erythrasma) which fluoresce under the light.

Woolly hair nevus

WUL-ee HAIR NEE-vus

/ˈwʊli hɛər ˈniːvəs/

A rare skin condition characterized by a patch of hair that is tightly coiled and different in texture from the rest of the scalp.

Woolsorter's disease

WUL-sor-terz

/ˈwʊlˌsɔːrtərz dɪˈziːz/

The inhalation form of anthrax, historically contracted by workers handling infected wool.

Word blindness

WERD BLYND-nes

/wɜːrd ˈblaɪndnəs/

Alexia; the inability to understand written words, usually due to brain injury.

Word fluency

WERD FLOO-en-see

/wɜːrd ˈfluːənsi/

A cognitive function tested in neurological exams by asking patients to name as many words as possible starting with a certain letter.

Word salad

WERD SAL-ad

/wɜːrd ˈsæləd/

A jumble of extremely incoherent speech as sometimes observed in schizophrenia.

Work-up

WERK-up

/ˈwɜːrkʌp/

A comprehensive medical study of a patient, including history, physical exam, and laboratory tests to reach a diagnosis.

Working diagnosis

WER-king dy-ah-NOH-sis

/ˈwɜːrkɪŋ ˌdaɪəɡˈnoʊsɪs/

The diagnosis that is considered most likely and is used to guide initial treatment while further tests are pending.

Working memory

WER-king MEM-or-ee

/ˈwɜːrkɪŋ ˈmɛməri/

The part of short-term memory that is concerned with immediate conscious perceptual and linguistic processing.

Worm, Pin-

PIN-wurm

/ˈpɪnwɜːrm/

Enterobius vermicularis; a small parasitic worm that causes intense itching around the anus.

Wormian bones

WER-mee-un BOHNZ

/ˈwɜːrmiən boʊnz/

Small, irregular bones found in the sutures between the bones of the skull.

Wound

WOOND

/wuːnd/

An injury to living tissue caused by a cut, blow, or other impact, typically one in which the skin is cut or broken.

Wound bed

WOOND BED

/wuːnd bɛd/

The base of a wound; assessment of the wound bed is crucial for choosing the correct healing treatment.

Wound dehiscence

dee-HIS-ens

/wuːnd dɪˈhɪsəns/

A surgical complication in which a wound ruptures along a surgical incision.

Woven bone

WOH-ven BOHN

/ˈwoʊvən boʊn/

Immature bone characterized by random collagen fiber orientation; found during embryonic development or fracture repair.

Wright's stain

RYTS STAYN

/raɪts steɪn/

A hematologic stain that facilitates the differentiation of blood cell types.

Wrist

RIST

/rɪst/

The joint connecting the hand with the forearm; the carpus.

Wrist, Drop-

DROP-rist

/drɒprɪst/

Paralysis of the extensor muscles of the wrist and fingers; often a sign of radial nerve injury.

Wrist-drop

RIST-drop

/ˈrɪstdrɒp/

A condition in which the hand hangs limply at the wrist, caused by paralysis of the extensor muscles (radial nerve palsy).

Wryneck

RY-nek

/ˈraɪnɛk/

Another name for torticollis; a twisted neck position.

Wuchereria

woo-ker-EE-ree-ah

/ˌwuːkəˈrɪəriə/

A genus of parasitic nematodes that live in the lymphatic system and cause elephantiasis.

Wuchereria bancrofti

woo-ker-EE-ree-ah

/ˌwuːkəˈrɪəriə bænˈkrɒfti/

A parasitic roundworm that is the major cause of lymphatic filariasis (elephantiasis).