Nouns denoting body parts

vena hemizygos
a continuation of the left ascending lumbar vein; crosses the midline at the 8th vertebra and empties into the azygos vein
end organ
a specialized structure at the peripheral end of some motor or sensory nerve fibers
external iliac vein
a continuation of the femoral vein; unites with the internal iliac vein to form the common iliac vein
neck bone
one of 7 vertebrae in the human spine located in the neck region
the right eye
originates in the brain stem and lower part of the spinal cord; opposes physiological effects of the sympathetic nervous system: stimulates digestive secretions; slows the heart; constricts the pupils; dilates blood vessels
either of two thickened triangular layers of conjunctiva extending from the nasal edge of the eye to the cornea; it arises from irritation of the pinguecula
lens of the eye
biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focus light on the retina
semilunar valve
a heart valve with cusps shaped like half-moons; prevents blood from flowing back into the heart
arcus senilis
a whitish deposit in the shape of an arc that is sometimes seen in the cornea
bronchial artery
arteries that accompany the bronchioles
the muscles of the abdomen
perforating vein
veins that accompany the perforating arteries; drain leg muscles; empty into the deep femoral vein
beta cell
a cell that produces insulin in the isles of Langerhans in the pancreas
(genetics) normal complement of sex chromosomes in a female
the tissue that surrounds the lens nucleus
any bundle of nerve fibers running to various organs and tissues of the body
(pathology) a small abnormal patch on or inside the body
a hairdo resembling a beehive
prefrontal cortex
the anterior part of the frontal lobe
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