MedTerm Speak

Master the language of medicine

Baroreceptor

ba-roh-ree-SEP-tur

/ˌbæroʊrɪˈsɛptər/

Sensory nerve endings in the blood vessel walls that detect changes in blood pressure.

Basal Metabolic Rate

BAY-sul meh-tah-BOL-ik rayt

/ˈbeɪsəl ˌmɛtəˈbɒlɪk reɪt/

The rate at which the body uses energy while at rest to maintain vital functions.

Basophils

BAY-so-fils

/ˈbeɪsəˌfɪlz/

A type of white blood cell involved in inflammatory reactions and allergic symptoms.

Bicuspid Valve

by-KUS-pid valv

/baɪˈkʌspɪd vælv/

The heart valve between the left atrium and left ventricle; also known as the mitral valve.

Bile

byl

/baɪl/

A digestive fluid produced by the liver and stored in the gallbladder that emulsifies fats.

Bilirubin

bil-ih-ROO-bin

/ˌbɪlɪˈruːbɪn/

An orange-yellow pigment formed in the liver by the breakdown of hemoglobin.

Biofeedback

by-oh-FEED-bak

/ˌbaɪoʊˈfiːdbæk/

A technique used to learn how to control some of your body's functions, such as your heart rate.

Blastocyst

BLAS-toh-sist

/ˈblæstəˌsɪst/

A thin-walled hollow structure in early embryonic development that contains a cluster of cells.

Bolus

BOH-lus

/ˈboʊləs/

A small rounded mass of chewed food at the moment of swallowing.

Bowman's Capsule

BOH-munz KAP-sul

/ˈboʊmənz ˈkæpsjuːl/

A cup-like sac at the beginning of the tubular component of a nephron in the kidney.

Brachial

BRAY-kee-ul

/ˈbreɪkiəl/

Relating to the arm, specifically the upper arm or an anatomical structure resembling an arm.

Bradycardia

brad-ee-KAR-dee-uh

/ˌbrædɪˈkɑːrdiə/

A condition wherein the individual has a slow resting heart rate (typically under 60 bpm).

Brainstem

BRAYN-stem

/ˈbreɪnstɛm/

The central trunk of the brain, consisting of the medulla oblongata, pons, and midbrain.

Bronchi

BRONG-ky

/ˈbrɒŋkaɪ/

The two main branches of the trachea that lead directly into the lungs.

Bronchiole

BRONG-kee-ohl

/ˈbrɒŋkioʊl/

Minute branches into which a bronchus divides, eventually leading to the alveoli.

Buffer

BUF-er

/ˈbʌfər/

A solution that resists changes in pH when acid or alkali is added to it.

Bulbourethral Gland

bul-bo-yoo-REE-thrul gland

/ˌbʌlboʊjʊˈriːθrəl ɡlænd/

Glands that secrete a fluid into the urethra to neutralize acidity before ejaculation.

Bundle of His

BUN-dul uv HISS

/ˈbʌndəl əv hɪs/

A collection of heart muscle cells specialized for electrical conduction.

Bursa

BUR-suh

/ˈbɜːrsə/

A fluid-filled sac or cavity situated in tissues where friction would otherwise occur.