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Medical
Body Vocab.
Term | Definition |
---|---|
adrenal | At, near, or on the kidneys; of or relating to the adrenal glands or their secretions. |
adrenal cortex | The outer portion of the adrenal glands that produces several steroid hormones, including cortisol and aldosterone. |
aorta | the main trunk of the arterial system, conveying blood from the left ventricle of the heart to all of the body except the lungs. |
arteriole | any of the smallest branches of an artery, terminating in capillaries |
bacillus | any rod-shaped or cylindrical bacterium of the genus Bacillus, comprising spore-producing bacteria; |
bile duct | a large duct that transports bile from the liver to the duodenum |
bursa | A sac or saclike bodily cavity, especially one containing a viscous lubricating fluid and located between a tendon and a bone or at points of friction between moving structures. |
calculus | a stone, or concretion, formed in the gallbladder, kidneys, or other parts of the body. |
calyx | A cuplike structure or organ, such as one of the cuplike divisions of the pelvis or of the kidney. |
carcinoma | An invasive malignant tumor derived from epithelial tissue that tends to metastasize to other areas of the body; cancer. |
cecum | The large blind pouch forming the beginning of the large intestine. Also called blind gut; A saclike cavity with only one opening. |
cerebellum | a large portion of the brain, serving to coordinate voluntary movements, posture, and balance in humans, being in back of and below the cerebrum and consisting of two lateral lobes and a central lobe. |
cerebral cortex | The extensive outer layer of gray matter of the cerebral hemispheres, largely responsible for higher brain functions, including sensation, voluntary muscle movement, thought, reasoning, and memory. |
choroid (coat) | a pigmented, highly vascular membrane of the eye that is continuous with the iris and lies between the sclera and the retina, functioning to nourish the retina and absorb scattered light. |
ciliary | Of, relating to, or resembling cilia. |
coccyx | a small triangular bone forming the lower extremity of the spinal column in humans, consisting of four ankylosed rudimentary vertebrae; tailbone |
cochlea | A spiral-shaped cavity of the inner ear that resembles a snail shell and contains nerve endings essential for hearing. |
common bile duct | The duct formed by the union of the cystic duct and the hepatic duct that carries bile from the liver and the gallbladder to the duodenum. |
duodenum | the first portion of the small intestine, from the stomach to the jejunum. |
fascia | a band or sheath of connective tissue investing, supporting, or binding together internal organs or parts of the body. |
Eustachian tube | A slender tube that connects the tympanic cavity with the nasal part of the pharynx and serves to equalize air pressure on either side of the eardrum |
gallbladder | a pear-shaped, muscular sac attached to the undersurface of the right lobe of the liver, in which bile is stored and concentrated. |
ganglion | A group of nerve cells forming a nerve center, especially one located outside the brain or spinal cord; A benign cystic lesion resembling a tumor, occurring in a tendon sheath or joint capsule. |
gland | a cell, group of cells, or organ producing a secretion |
glomerulus | a compact cluster of capillaries, also called Malpighian tuft; a tuft of convoluted capillaries in the nephron of a kidney, functioning to remove certain substances from the blood before it flows into the convoluted tubule. |
hydrophysis | (pituitary gland) the master gland of the endocrine system; located at the base of the brain |
capillary | the smallest type of blood vessel in the human body |
ventricles | the two lower chambers of the heart |