Medical Definition of Anterior segment

1. 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. (05 Mar 2000)



Anterior Segment Pictures

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Lexicographical Neighbors of Anterior Segment

anterior region of leg
anterior region of neck
anterior region of thigh
anterior rhinoscopy
anterior rhizotomy
anterior root
anterior sacrococcygeal ligament
anterior sacroiliac ligaments
anterior sacrosciatic ligament
anterior scalene muscle
anterior scleritis
anterior sclerotomy
anterior segment (current term)
anterior semicircular canals
anterior serratus muscle
anterior sinuses
anterior spinal artery
anterior spinocerebellar tract
anterior spinothalamic tract
anterior staphyloma
anterior sternoclavicular ligament
anterior superficial cervical lymph nodes
anterior superior alveolar arteries
anterior superior alveolar branches of infraorbital nerve
anterior superior dental arteries
anterior superior iliac spine
anterior superior segment

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