See Also: anterior segment(medicine)
anterior eye segment(medicine)
anterior ocular segment(medicine)
anterior basal segment(medicine)
anterior inferior segment(medicine)
anterior superior segment(medicine)
artery of anterior inferior segment of kidney(medicine)
artery of anterior superior segment of kidney(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Medicine Lodge Memorial Hospital- Medicine Lodge(health)

anterior segment (medicine)


anterior segment


A delimited part or section of an organ or other structure which lies in front of or ventral to the other similar parts or sections. 1) segmentum anterius (hepar); the anterior segment of the right lobe of the liver. 2) segmentum anterius (pulmo dexter et sinister); [S 3]; the anterior segment of the superior lobe of the right and left lungs. 3) anterior segment of the eye; the intraocular segment of the eyeball occupied by the aqueous which lies in front of, and is separated from the vitreous-filled posterior segment by, the lens and zonule; it is subdivided by the iris into anterior and posterior chambers.

Synonym: segmentum anterius.