anterior cardinal vein
anterior cardinal vein n.
Any of the major drainage channels from the cephalic region of most vertebrate embryos.
- Anterior cardiac vein
anterior cardiac vein anterior cardiac vein n. One of two or three small veins in the anterior wall of the right ventricle that open into the right atrium independently of the coronary sinus.
- Anterior cerebral vein
anterior cerebral vein anterior cerebral vein n. A vein that parallels the anterior cerebral artery and drains into the basal vein.
- Anterior chamber of eye
anterior chamber of eye anterior chamber of eye n. The space between the cornea and the iris, filled with the aqueous humor and communicating through the pupil with the posterior chamber.
- Anterior column of spinal cord
anterior column of spinal cord anterior column of spinal cord n. The ventral ridge of gray matter in each half of the spinal cord, containing the motor neurons innervating the skeletal musculature of the trunk, neck, and extremities. Also called ventral column of spinal cord.