plural of anterior pituitary

plural of anterior commissure

(anatomy) A bundle of nerve fibers connecting the two temporal lobes of the cerebral hemispheres across the midline, and placed in front of the columns of the fornix.

(anatomy) adenohypophysis

(anatomy) A muscle arising from the transverse processes of the third to sixth cervical vertebrae, inserting on the scalene tubercle of the first rib, and functioning to bend the neck forward and laterally and to rotate it to the side.

plural of anterior cingulate cortex

(anatomy) The frontal part of the cingulate cortex

(anatomy) An artery that arises from the internal carotid artery, forms the anterior portion of the circle of Willis where it is linked to the artery on the opposite side by the anterior communicating artery, and passes on to supply the medial surfaces of the cerebrum.

(anatomy) One of the three arteries in the brain that form parts of the circle of Willis; it connects the anterior cerebral arteries.

(anatomy) A groove along the anterior midline of the spinal cord that incompletely divides it into symmetrical halves.