MedTerm Speak

Master the language of medicine

Abdomen

AB-duh-mun

/ˈæbdəmən/

The part of the body between the thorax and the pelvis.

Abductor

ab-DUK-tur

/æbˈdʌktər/

A muscle that moves a limb away from the midline of the body.

Acetabulum

as-uh-TAB-yuh-lum

/ˌæsɪˈtæbjʊləm/

The socket of the hipbone where the head of the femur fits.

Acromion

uh-KRO-mee-on

/əˈkroʊmiən/

The lateral extension of the spine of the scapula, forming the point of the shoulder.

Adductor

uh-DUK-tur

/əˈdʌktər/

A muscle that moves a limb toward the midline of the body.

Adenohypophysis

ad-uh-no-hy-POF-ih-sis

/ˌædɪnoʊhaɪˈpɒfɪsɪs/

The anterior lobe of the pituitary gland.

Adipose

AD-ih-pohs

/ˈædɪpoʊs/

Connective tissue used for the storage of fat.

Adrenal

uh-DREE-nul

/əˈdriːnəl/

Glands located above the kidneys that produce hormones like adrenaline.

Afferent

AF-ur-unt

/ˈæfərənt/

Carrying toward a center, such as sensory nerves heading to the brain.

Agonist

AG-uh-nist

/ˈæɡənɪst/

A muscle whose contraction is directly responsible for producing a specific movement.

Alimentary

al-ih-MEN-tuh-ree

/ˌælɪˈmɛntəri/

Relating to nourishment or the digestive tract.

Alveoli

al-VEE-oh-ly

/ælˈviːəlaɪ/

Tiny air sacs in the lungs where gas exchange occurs.

Alveolus

al-VEE-oh-lus

/ælˈviːələs/

A small cavity or pit, such as a tooth socket or lung air sac.

Amphiarthrosis

am-fee-ar-THRO-sis

/ˌæmfiɑːrˈθroʊsɪs/

A type of joint that allows only slight movement.

Amygdala

uh-MIG-duh-luh

/əˈmɪɡdələ/

Almond-shaped cluster of neurons in the brain involved in memory and emotion.

Anastomosis

uh-nas-tuh-MO-sis

/əˌnæstəˈmoʊsɪs/

A cross-connection between adjacent channels, tubes, or fibers.

Anatomical

an-uh-TOM-ih-kul

/ˌænəˈtɒmɪkəl/

Relating to the structure of the body.

Anconeus

an-KO-nee-us

/ænˈkoʊniəs/

A small muscle on the posterior aspect of the elbow joint.

Annulus

AN-yuh-lus

/ˈænjʊləs/

A ring-shaped structure or part.

Antagonist

an-TAG-uh-nist

/ænˈtæɡənɪst/

A muscle that opposes the action of another.

Anterior

an-TEER-ee-ur

/ænˈtɪəriər/

Nearer the front or situated in the front of the body.

Antrum

AN-trum

/ˈæntrəm/

A natural chamber or cavity within a bone or other structure.

Anus

AY-nus

/ˈeɪnəs/

The opening at the end of the alimentary canal through which solid waste leaves.

Aorta

ay-OR-tah

/eɪˈɔːrtə/

The main artery of the body, supplying oxygenated blood to the circulatory system.

Apex

AY-peks

/ˈeɪpɛks/

The top or highest part of something, especially one forming a point.

Aponeurosis

ap-uh-nyoo-RO-sis

/ˌæpənjʊˈroʊsɪs/

A sheet of pearly-white fibrous tissue that takes the place of a tendon.

Apparatus

ap-uh-RAT-us

/ˌæpəˈreɪtəs/

A group of organs that work together to perform a particular function.

Appendicular

ap-un-DIK-yuh-lur

/ˌæpənˈdɪkjʊlər/

Relating to the limbs (arms and legs).

Appendix

uh-PEN-diks

/əˈpɛndɪks/

A tube-shaped sac attached to and opening into the lower end of the large intestine.

Aqueduct

AK-wuh-dukt

/ˈækwɪdʌkt/

A canal or passage in the body filled with fluid.

Aqueous

AY-kwee-us

/ˈeɪkwiəs/

Consisting of or similar to water; the humor in the eye.

Arachnoid

uh-RAK-noyd

/əˈræknɔɪd/

The middle layer of the three membranes (meninges) that surround the brain.

Areola

uh-REE-uh-luh

/əˈriːələ/

The small darkened area around the nipple of the breast.

Arrectores

uh-rek-TOR-eez

/əˌrɛkˈtɔːriːz/

Small muscles attached to hair follicles (goosebump muscles).

Arteriole

ar-TEER-ee-ohl

/ɑːrˈtɪərioʊl/

A small branch of an artery leading into capillaries.

Artery

AR-tuh-ree

/ˈɑːrtəri/

Blood vessels that deliver oxygen-rich blood from the heart to the tissues.

Articular

ar-TIK-yuh-lur

/ɑːrˈtɪkjʊlər/

Relating to a joint.

Articulation

ar-tik-yuh-LAY-shun

/ɑːrˌtɪkjʊˈleɪʃən/

A fixed or movable joint between bones.

Arytenoid

ar-ih-TEE-noyd

/ˌærɪˈtiːnɔɪd/

Paired cartilages in the larynx to which the vocal cords are attached.

Ascending

uh-SEND-ing

/əˈsɛndɪŋ/

Moving upward, such as the portion of the colon or aorta.

Aspera

AS-pur-uh

/ˈæspərə/

Referring to the Linea Aspera, a rough ridge on the posterior femur.

Asterion

as-TEER-ee-on

/æsˈtɪəriən/

The point on the skull where the temporal, parietal, and occipital bones meet.

Astragalus

as-TRAG-uh-lus

/æˈstræɡələs/

An older term for the talus bone in the ankle.

Atlas

AT-lus

/ˈætləs/

The first cervical vertebra of the spine, supporting the head.

Atloaxoid

at-lo-AK-soyd

/ˌætləʊˈæksɔɪd/

Relating to the joint between the atlas and the axis vertebrae.

Atrium

AY-tree-um

/ˈeɪtriəm/

One of the two upper chambers of the heart.

Atrophy

AT-ruh-fee

/ˈætrəfi/

Waste away, typically due to the degeneration of cells.

Auditory

AW-dih-tor-ee

/ˈɔːdɪtəri/

Relating to the sense of hearing.

Auricle

AW-rih-kul

/ˈɔːrɪkəl/

The visible part of the ear or a small muscular pouch in the heart.

Autonomic

aw-tuh-NOM-ik

/ˌɔːtəˈnɒmɪk/

The part of the nervous system responsible for involuntary functions.

Axilla

ak-SIL-uh

/ækˈsɪlə/

The armpit.

Axillary

AK-sih-lair-ee

/ˈæksɪlɛri/

Relating to the armpit.

Axis

AK-sis

/ˈæksɪs/

The second cervical vertebra, which allows the head to rotate.

Axon

AK-son

/ˈæksɒn/

The long threadlike part of a nerve cell that conducts impulses.

Azygos

AZ-ih-gos

/ˈæzɪɡəs/

An unpaired vein that drains the thoracic wall.