Pacemaker
/ˈpeɪsˌmeɪkər/
A device that emits electrical impulses to regulate the heartbeat.
Pachymeningitis
/ˌpækɪˌmɛnɪnˈdʒaɪtɪs/
Inflammation of the dura mater (the thickest outer layer of the meninges).
Paget's Disease
/ˈpædʒəts dɪˈziːz/
A chronic bone disorder that causes bones to become enlarged and misshapen; also refers to a type of breast cancer.
Palate
/ˈpælət/
The roof of the mouth, separating the oral and nasal cavities.
Palliative
/ˈpæliətɪv/
Treatment focused on providing relief from symptoms and stress of a serious illness rather than a cure.
Pallor
/ˈpælər/
An unhealthy pale appearance of the skin.
Palmar
/ˈpɑːlmər/
Relating to the palm of the hand.
Palpation
/pælˈpeɪʃən/
The act of feeling with the hand for diagnostic purposes.
Palpebra
/ˈpælpɪbrə/
The eyelid.
Palpitation
/ˌpælpɪˈteɪʃən/
A rapid, strong, or irregular heartbeat due to agitation, exertion, or illness.
Palsy
/ˈpɔːlzi/
Paralysis, especially that which is accompanied by involuntary tremors (e.g., Bell's palsy).
Pancreas
/ˈpæŋkriəs/
A large gland behind the stomach that secretes digestive enzymes and hormones like insulin.
Pancreatitis
/ˌpæŋkriəˈtaɪtɪs/
Inflammation of the pancreas.
Pandemic
/pænˈdɛmɪk/
An outbreak of a disease prevalent over a whole country or the world.
Pansinusitis
/ˌpænsaɪnəˈsaɪtɪs/
Inflammation of all the paranasal sinuses on one or both sides of the face.
Pantothenic Acid
/ˌpæntəˈθɛnɪk ˈæsɪd/
Vitamin B5; essential for the synthesis of coenzyme A and metabolic processes.
Pap Smear
/pæp smɪər/
A screening procedure for cervical cancer.
Papilla
/pəˈpɪlə/
A small rounded protuberance on a part or organ of the body (e.g., taste buds).
Papule
/ˈpæpjuːl/
A small, raised, solid pimple or swelling, often forming part of a rash on the skin.
Paralysis
/pəˈræləsɪs/
The loss of the ability to move (and sometimes to feel anything) in part or most of the body.
Paranasal Sinuses
/ˌpærəˈneɪzəl ˈsaɪnəsɪz/
Air-filled cavities in the bones of the face and skull that open into the nasal cavity.
Paranoia
/ˌpærəˈnɔɪə/
A mental condition characterized by delusions of persecution or unwarranted jealousy.
Paraphasia
/ˌpærəˈfeɪʒə/
A speech disorder in which the wrong words or sounds are substituted for the correct ones.
Paraplegia
/ˌpærəˈpliːdʒə/
Paralysis that affects the lower half of the body.
Paraplegic
/ˌpærəˈpliːdʒɪk/
A person affected by paralysis of the legs and lower body.
Parasite
/ˈpærəsaɪt/
An organism that lives in or on an organism of another species (its host) and benefits by deriving nutrients at the other's expense.
Parasomnia
/ˌpærəˈsɒmniə/
A category of sleep disorders that involve abnormal movements, behaviors, or dreams (e.g., sleepwalking).
Parasympathetic
/ˌpærəsɪmpəˈθɛtɪk/
Part of the autonomic nervous system that conserves energy and slows the heart rate ('rest and digest').
Parathyroid Glands
/ˌpærəˈθaɪrɔɪd ɡlændz/
Four small glands located behind the thyroid that control the body's calcium levels.
Parenchyma
/pəˈrɛŋkɪmə/
The functional tissue of an organ as distinguished from the connective and supporting tissue.
Parenteral
/pəˈrɛntərəl/
Administered or occurring elsewhere in the body than through the mouth and alimentary canal (e.g., via injection).
Paresthesia
/ˌpærəsˈθiːʒə/
An abnormal sensation, typically tingling or pricking ('pins and needles'), caused chiefly by pressure on or damage to peripheral nerves.
Parietal
/pəˈraɪɪtəl/
Relating to the wall of a body cavity or the parietal bone of the skull.
Parietal Lobe
/pəˈraɪɪtəl loʊb/
The part of each cerebral hemisphere involved in processing sensory information like touch, pressure, and pain.
Parkinson's Disease
/ˈpɑːrkɪnsənz dɪˈziːz/
A progressive nervous system disorder that affects movement, often including tremors and stiffness.
Parotid Gland
/pəˈrɒtɪd ɡlænd/
The largest of the salivary glands, located in front of the ears.
Paroxysm
/ˈpærəksɪzəm/
A sudden attack or violent expression of a particular emotion or activity; a sudden recurrence of symptoms.
Partial Seizure
/ˈpɑːrʃəl ˈsiːʒər/
A seizure that starts in one specific part of the brain; focal seizure.
Parturition
/ˌpɑːrtjʊˈrɪʃən/
The action of giving birth to young; childbirth.
Patella
/pəˈtɛlə/
The kneecap; a small bone located in front of the knee joint.
Patellar Reflex
/pəˈtɛlər ˈriːflɛks/
The knee-jerk reflex; a stretch reflex that tests spinal nerves L2, L3, and L4.
Patency
/ˈpeɪtənsi/
The condition of being open or unobstructed (e.g., a patent airway).
Pathogen
/ˈpæθədʒən/
A bacterium, virus, or other microorganism that can cause disease.
Pathology
/pəˈθɒlədʒi/
The science of the causes and effects of diseases, especially the branch of medicine that examines laboratory samples of body tissue.
Patient
/ˈpeɪʃənt/
A person receiving or registered to receive medical treatment.
Peak Flow
/piːk floʊ/
The maximum speed of expiration, as measured by a peak flow meter.
Peak Flow Meter
/piːk floʊ ˈmiːtər/
A handheld device used to measure how quickly a person can push air out of their lungs; used to monitor asthma.
Pectoral
/ˈpɛktərəl/
Relating to the breast or chest.
Pediatrician
/ˌpiːdiəˈtrɪʃən/
A medical practitioner specializing in children and their diseases.
Pediculosis
/pəˌdɪkjʊˈloʊsɪs/
Infestation with lice.
Pedigree
/ˈpɛdɪˌɡriː/
A diagram that shows the occurrence and appearance of phenotypes of a particular gene or organism and its ancestors from one generation to the next.
Pellagra
/pəˈlæɡrə/
A disease caused by a lack of nicotinic acid (niacin) in the diet, characterized by dermatitis, diarrhea, and dementia.
Pelvic Girdle
/ˈpɛlvɪk ˈɡɜːrdəl/
The enclosing structure formed by the pelvis, providing attachment for the lower limbs.
Pelvis
/ˈpɛlvɪs/
The large bony structure near the base of the spine to which the hind limbs or legs are attached.
Pemphigus
/ˈpɛmfɪɡəs/
A rare skin disease that causes blisters and sores on the skin or mucous membranes.
Penicillamine
/ˌpɛnɪˈsɪləmiːn/
A medication used to treat Wilson's disease and rheumatoid arthritis by binding to metals and assisting their removal from the body.
Penicillin
/ˌpɛnɪˈsɪlɪn/
An antibiotic or group of antibiotics produced naturally by certain blue molds.
Penis
/ˈpiːnɪs/
The male genital organ of higher vertebrates, carrying the duct for the transfer of sperm and the discharge of urine.
Pentose
/ˈpɛntoʊs/
A sugar whose molecules contain five carbon atoms (e.g., ribose).
Peptic Ulcer
/ˈpɛptɪk ˈʌlsər/
A sore on the lining of your stomach, small intestine, or esophagus.
Peptidase
/ˈpɛptɪdeɪs/
An enzyme that breaks down peptides into amino acids.
Perception
/pərˈsɛpʃən/
The ability to see, hear, or become aware of something through the senses.
Percussion
/pərˈkʌʃən/
A method of tapping on a surface to determine the underlying structures, used in clinical examinations.
Percutaneous
/ˌpɜːrkjuːˈteɪniəs/
Made, done, or effected through the skin.
Perforation
/ˌpɜːrfəˈreɪʃən/
A hole made by boring or piercing; in medicine, a hole through the wall of an organ.
Perfusion
/pərˈfjuːʒən/
The passage of fluid through the circulatory system or lymphatic system to an organ or a tissue.
Pericarditis
/ˌpɛrɪkɑːrˈdaɪtɪs/
Inflammation of the pericardium (the sac-like membrane surrounding the heart).
Pericardium
/ˌpɛrɪˈkɑːrdiəm/
The membrane enclosing the heart, consisting of an outer fibrous layer and an inner double layer of serous membrane.
Perimeter
/pəˈrɪmɪtər/
In ophthalmology, an instrument for measuring the extent and characteristics of the visual field.
Perineum
/ˌpɛrɪˈniːəm/
The area between the anus and the scrotum or vulva.
Periodontal
/ˌpɛrioʊˈdɒntəl/
Relating to or affecting the structures which surround and support the teeth.
Periorbital
/ˌpɛriˈɔːrbɪtəl/
Relating to the area surrounding the eye socket.
Periosteal
/ˌpɛriˈɒstiəl/
Relating to the periosteum (the membrane covering the outer surface of bones).
Periosteum
/ˌpɛriˈɒstiəm/
A dense layer of vascular connective tissue enveloping the bones except at the surfaces of the joints.
Peripheral
/pəˈrɪfərəl/
Away from the center; relating to the outer limits or edge of an object or body.
Peripheral Nervous System
/pəˈrɪfərəl ˈnɜːrvəs ˈsɪstəm/
The part of the nervous system outside the brain and spinal cord.
Peristalsis
/ˌpɛrɪˈstælsɪs/
The involuntary constriction and relaxation of the muscles of the intestine, creating wave-like movements that push the contents forward.
Peritomy
/pəˈrɪtəmi/
Surgical incision of the conjunctiva around the cornea.
Peritoneum
/ˌpɛrɪtəˈniːəm/
The serous membrane lining the cavity of the abdomen and covering the abdominal organs.
Peritonitis
/ˌpɛrɪtəˈnaɪtɪs/
Inflammation of the peritoneum, typically caused by bacterial infection.
Permeability
/ˌpɜːrmiəˈbɪləti/
The state or quality of a material or membrane that causes it to allow liquids or gases to pass through it.
Pernicious Anemia
/pərˈnɪʃəs əˈniːmiə/
A deficiency in the production of red blood cells through a lack of vitamin B12.
Pernio
/ˈpɜːrnioʊ/
Also called chilblains; localized inflammation of the skin following exposure to cold and damp.
Peroneal
/ˌpɛrəˈniːəl/
Relating to the fibula or the outer part of the lower leg.
Perspiration
/ˌpɜːrspɪˈreɪʃən/
The process of sweating.
Pertussis
/pərˈtʌsɪs/
Whooping cough; a highly contagious respiratory tract infection.
Petechiae
/pɪˈtiːkiˌiː/
Small red or purple spots caused by bleeding into the skin.
Petechial
/pɪˈtiːkiəl/
Pertaining to petechiae (small purple or red spots on the skin).
Petit Mal
/ˈpɛti mæl/
An older term for an absence seizure, characterized by a brief loss of consciousness.
Peyer's Patches
/ˈpaɪərz ˈpætʃɪz/
Groups of lymphocytes in the ileum of the small intestine that monitor intestinal bacteria.
Phagocyte
/ˈfæɡəˌsaɪt/
A type of cell within the body capable of engulfing and absorbing bacteria and other small cells and particles.
Phagocytosis
/ˌfæɡəsaɪˈtoʊsɪs/
The ingestion of bacteria or other material by phagocytes.
Phalanges
/fəˈlændʒiːz/
The bones of the fingers and of the toes.
Phantom Limb
/ˈfæntəm lɪm/
The sensation that an amputated or missing limb is still attached.
Pharmacokinetics
/ˌfɑːrməkoʊkɪˈnɛtɪks/
The branch of pharmacology concerned with the movement of drugs within the body.
Pharmacology
/ˌfɑːrməˈkɒlədʒi/
The branch of medicine concerned with the uses, effects, and modes of action of drugs.
Pharynx
/ˈfærɪŋks/
The membrane-lined cavity behind the nose and mouth, connecting them to the esophagus.
Phimosis
/faɪˈmoʊsɪs/
A condition in which the foreskin is too tight to be pulled back over the head of the penis.
Phlebitis
/flɪˈbaɪtɪs/
Inflammation of the walls of a vein.
Phlebotomy
/flɪˈbɒtəmi/
The surgical opening or puncture of a vein in order to withdraw blood.
Phobia
/ˈfoʊbiə/
An extreme or irrational fear of or aversion to something.
Phospholipid
/ˌfɒsfoʊˈlɪpɪd/
A lipid containing a phosphate group in its molecule, a major component of cell membranes.
Photocoagulation
/ˌfoʊtoʊkoʊˌæɡjʊˈleɪʃən/
The use of laser light to clot blood vessels or destroy tissue, commonly used in the retina.
Photophobia
/ˌfoʊtəˈfoʊbiə/
Abnormal intolerance to light.
Phrenic Nerve
/ˈfrɛnɪk nɜːrv/
A nerve that originates in the neck and passes down between the lung and heart to reach the diaphragm.
Physical Therapy
/ˈfɪzɪkəl ˈθɛrəpi/
The treatment of disease, injury, or deformity by physical methods such as massage, heat treatment, and exercise.
Physician
/fɪˈzɪʃən/
A person qualified to practice medicine.
Physiological
/ˌfɪziəˈlɒdʒɪkəl/
Relating to the branch of biology that deals with the normal functions of living organisms and their parts.
Physiology
/ˌfɪziˈɒlədʒi/
The branch of biology that deals with the normal functions of living organisms and their parts.
Pia Mater
/ˈpiːə ˈmeɪtər/
The delicate innermost membrane enveloping the brain and spinal cord.
Pigmentation
/ˌpɪɡmɛnˈteɪʃən/
The natural coloring of animal or plant tissue.
Piloerection
/ˌpaɪloʊɪˈrɛkʃən/
Erection of the hair of the skin due to contraction of the arrector pili muscles; goosebumps.
Pilonidal Cyst
/ˌpaɪləˈnaɪdəl sɪst/
An abnormal pocket in the skin that usually contains hair and skin debris, located near the tailbone.
Pineal Gland
/ˈpaɪniəl ɡlænd/
A pea-sized conical mass of tissue in the brain, secreting a hormone-like substance (melatonin).
Pitting Edema
/ˈpɪtɪŋ ɪˈdiːmə/
Swelling where a thumb pressure leaves an indentation in the skin.
Pituitary Adenoma
/pɪˈtjuːɪtɛri ˌædəˈnoʊmə/
A benign tumor of the pituitary gland.
Pituitary Gland
/pɪˈtjuːɪtɛri ɡlænd/
The major endocrine gland; a pea-sized body attached to the base of the brain, important in controlling growth and development.
Placebo
/pləˈsiːboʊ/
A harmless pill, medicine, or procedure prescribed more for the psychological benefit to the patient than for any physiological effect.
Placenta
/pləˈsɛntə/
A flattened circular organ in the uterus of pregnant mammals, nourishing and maintaining the fetus through the umbilical cord.
Placenta Previa
/pləˈsɛntə ˈpriːviə/
A condition in which the placenta partially or wholly blocks the neck of the uterus, interfering with normal delivery.
Plantar
/ˈplæntər/
Relating to the sole of the foot.
Plantar Fasciitis
/ˈplæntər ˌfæʃiˈaɪtɪs/
Inflammation of a thick band of tissue that runs across the bottom of your foot and connects your heel bone to your toes.
Plantar Reflex
/ˈplæntər ˈriːflɛks/
A reflex elicited when the sole of the foot is stimulated; an abnormal response is called the Babinski sign.
Plaque
/plæk/
A small, distinct, typically raised patch on skin or an organ; also refers to fatty deposits in arteries or bacteria on teeth.
Plasma
/ˈplæzmə/
The colorless fluid part of blood, lymph, or milk, in which corpuscles or fat globules are suspended.
Plasmodium
/plæzˈmoʊdiəm/
A genus of unicellular protozoans that are parasites of humans and cause malaria.
Platelet
/ˈpleɪtlət/
A small colorless disk-shaped cell fragment without a nucleus, found in large numbers in blood and involved in clotting.
Pleura
/ˈplʊərə/
Each of a pair of serous membranes lining the thorax and enveloping the lungs.
Pleurisy
/ˈplʊərɪsi/
Inflammation of the pleurae, which impairs their lubricating function and causes pain when breathing.
Plexus
/ˈplɛksəs/
A network of nerves or vessels in the body.
Pneumonectomy
/ˌnjuːməˈnɛktəmi/
Surgical removal of a lung or part of a lung.
Pneumonia
/njuːˈmoʊniə/
Lung inflammation caused by bacterial or viral infection, in which the air sacs fill with pus and may become solid.
Pneumothorax
/ˌnjuːmoʊˈθɔːræks/
The presence of air or gas in the cavity between the lungs and the chest wall, causing collapse of the lung.
Podiatry
/pəˈdaɪətri/
The medical specialty concerned with the study and treatment of disorders of the foot, ankle, and lower extremity.
Polio
/ˈpoʊlioʊ/
Short for poliomyelitis; an infectious viral disease that affects the central nervous system and can cause temporary or permanent paralysis.
Polycythemia
/ˌpɒlisiˈθiːmiə/
An abnormally increased concentration of hemoglobin in the blood, through either reduction of plasma volume or increase in red cell numbers.
Polydipsia
/ˌpɒliˈdɪpsiə/
Abnormally great thirst as a symptom of disease (such as diabetes).
Polyp
/ˈpɒlɪp/
A small growth, typically benign and with a stalk, protruding from a mucous membrane.
Polyphagia
/ˌpɒliˈfeɪdʒiə/
Excessive or pathological overeating.
Polyuria
/ˌpɒliˈjʊəriə/
Production of abnormally large volumes of dilute urine.
Pons
/pɒnz/
The part of the brainstem that links the medulla oblongata and the thalamus.
Popliteal
/pɒpˈlɪtiəl/
Relating to the hollow at the back of the knee.
Pore
/pɔːr/
A minute opening in a surface, especially the skin, through which gases, liquids, or microscopic particles can pass.
Portal Vein
/ˈpɔːrtəl veɪn/
A vein conveying blood to the liver from the spleen, stomach, pancreas, and intestines.
Post-traumatic Stress Disorder
/poʊst trɔːˈmætɪk strɛs dɪsˈɔːrdər/
PTSD; a condition of persistent mental and emotional stress occurring as a result of injury or severe psychological shock.
Posterior
/pɒˈstɪəriər/
Further back in position; of or nearer the rear or hind end of the body.
Postpartum
/poʊstˈpɑːrtəm/
Following childbirth.
Potassium
/pəˈtæsiəm/
An essential mineral (electrolyte) necessary for the function of all living cells.
Pre-eclampsia
/ˌpriːɪˈklæmpsiə/
A condition in pregnancy characterized by high blood pressure and signs of damage to another organ system, most often the liver and kidneys.
Prepuce
/ˈpriːpjuːs/
The fold of skin surrounding the clitoris or the end of the penis; the foreskin.
Presbyopia
/ˌprɛzbiˈoʊpiə/
Farsightedness caused by loss of elasticity of the lens of the eye, occurring typically in middle and old age.
Prescription
/prɪˈskrɪpʃən/
An instruction written by a medical practitioner that authorizes a patient to be provided with a medicine or treatment.
Prevalence
/ˈprɛvələns/
The fact or condition of being prevalent; the commonness of a disease within a population.
Primary Care
/ˈpraɪmɛri kɛər/
Health care at a basic rather than specialized level for people making a first approach to a doctor or nurse.
Primipara
/praɪˈmɪpərə/
A woman who is giving birth for the first time.
Prognosis
/prɒɡˈnoʊsɪs/
The likely course of a disease or ailment.
Prolapse
/ˈproʊlæps/
A condition where organs, such as the uterus, fall out of their normal position.
Proliferation
/prəˌlɪfəˈreɪʃən/
Rapid reproduction of a cell, part, or organism.
Pronation
/proʊˈneɪʃən/
Rotation of the hand and forearm so that the palm faces backwards or downwards.
Prophylaxis
/ˌproʊfɪˈlæksɪs/
Action taken to prevent disease, especially by specified means or against a specified disease.
Proprioception
/ˌproʊprioʊˈsɛpʃən/
The sense of self-movement and body position.
Prostate Gland
/ˈprɒsteɪt ɡlænd/
A gland surrounding the neck of the bladder in male mammals and releasing prostatic fluid.
Prosthesis
/prɒsˈθiːsɪs/
An artificial body part, such as a limb, a heart valve, or a breast implant.
Proteinuria
/ˌproʊtiːˈnjʊəriə/
The presence of abnormal quantities of protein in the urine, which may indicate damage to the kidneys.
Prothrombin
/proʊˈθrɒmbɪn/
A protein present in blood plasma which is converted into active thrombin during coagulation.
Protocol
/ˈproʊtəkɒl/
The official procedure or system of rules governing treatment or research.
Protoplasm
/ˈproʊtəˌplæzəm/
The colorless material comprising the living part of a cell, including the cytoplasm, nucleus, and other organelles.
Proximal
/ˈprɒksɪməl/
Situated nearer to the center of the body or the point of attachment.
Pruritus
/pruːˈraɪtəs/
Severe itching of the skin, as a symptom of various ailments.
Psoriasis
/səˈraɪəsɪs/
A skin disease marked by red, itchy, scaly patches.
Psychiatrist
/saɪˈkaɪətrɪst/
A medical practitioner specializing in the diagnosis and treatment of mental illness.
Psychology
/saɪˈkɒlədʒi/
The scientific study of the human mind and its functions, especially those affecting behavior.
Psychosis
/saɪˈkoʊsɪs/
A severe mental disorder in which thought and emotions are so impaired that contact is lost with external reality.
Pterygium
/təˈrɪdʒiəm/
A noncancerous growth that starts in the clear, thin tissue (conjunctiva) of the eye and spreads onto the cornea.
Ptosis
/ˈtoʊsɪs/
Drooping of the upper eyelid due to paralysis or disease, or as a congenital condition.
Ptyalism
/ˈtaɪəlɪzəm/
Excessive secretion of saliva.
Puberty
/ˈpjuːbərti/
The period during which adolescents reach sexual maturity and become capable of reproduction.
Pubis
/ˈpjuːbɪs/
Either of a pair of bones forming the two sides of the pelvis.
Puerperium
/ˌpjuːərˈpɪəriəm/
The period of about six weeks after childbirth during which the mother's reproductive organs return to their original non-pregnant condition.
Pulmonary
/ˈpʊlməˌnɛri/
Relating to the lungs.
Pulmonary Embolism
/ˈpʊlməˌnɛri ˈɛmbəˌlɪzəm/
A condition in which one or more arteries in the lungs become blocked by a blood clot.
Pulp
/pʌlp/
The soft, sensitive tissue in the center of a tooth, containing nerves and blood vessels.
Pulse
/pʌls/
The rhythmical throbbing of the arteries as blood is propelled through them, typically felt in the wrists or neck.
Pulse Oximeter
/pʌls ɒkˈsɪmɪtər/
An electronic device that measures the proportion of oxygen-saturated hemoglobin in the blood.
Punctum
/ˈpʌŋktəm/
A small anatomical point or opening, such as the tear duct opening on the eyelid.
Pupil
/ˈpjuːpəl/
The dark circular opening in the center of the iris of the eye, varying in size to regulate the amount of light reaching the retina.
Purgative
/ˈpɜːrɡətɪv/
A laxative; a substance used to strongly encourage the evacuation of the bowels.
Purpura
/ˈpɜːrpjʊrə/
A rash of purple spots on the skin caused by internal bleeding from small blood vessels.
Purulent
/ˈpjʊərʊlənt/
Consisting of, containing, or discharging pus.
Pus
/pʌs/
A thick yellowish or greenish opaque liquid produced in infected tissue, consisting of dead white blood cells and bacteria.
Pustule
/ˈpʌstjuːl/
A small blister or pimple on the skin containing pus.
Pyelitis
/ˌpaɪəˈlaɪtɪs/
Inflammation of the renal pelvis (the area where urine collects in the kidney).
Pyelogram
/ˈpaɪələˌɡræm/
An X-ray of the kidneys and ureters after injection of a contrast medium.
Pyelonephritis
/ˌpaɪəloʊnɪˈfraɪtɪs/
Inflammation of the kidney as a whole due to bacterial infection.
Pyloric Sphincter
/paɪˈlɔːrɪk ˈsfɪŋktər/
The muscular valve that regulates the passage of food from the stomach to the small intestine.
Pyogenic
/ˌpaɪəˈdʒɛnɪk/
Involving or relating to the production of pus.
Pyretic
/paɪˈrɛtɪk/
Relating to or characterized by fever.
Pyrogen
/ˈpaɪrəˌdʒɛn/
A substance, typically produced by a bacterium, which produces fever when introduced or released into the blood.
Pyrosis
/paɪˈroʊsɪs/
Heartburn; a burning sensation in the upper abdomen or lower chest.
Pyuria
/paɪˈjʊəriə/
The presence of pus in the urine, typically from a bacterial infection.