Glossary A

Anterior cerebral artery results from half of the division of an internal carotid artery, it supplies the anterior medial portion of its corresponding cerebral hemisphere.

Anterior commissure refers to set of axons connecting the two (2) cerebral hemispheres. It is smaller than the Corpus Callosum. They are minor intercerebral fibers.

Anterior communicating artery refer to artery that connects the left and right anterior cerebral arteries.

Anterior hypothalamus refers to the anterior portion of the hypothalamus which is an area of the brain below the thalamus that regulates the autonomic nervous system and the pituitary gland.

Anterior pituitary refers to the anterior portion of the pituitary gland; portion of the pituitary gland, composed of glandular tissue that secretes follicle-stimulating hormone, luteinizing hormone, adrenocorticotrophic hormone, thyroid-stimulating hormone, growth hormone, and prolactin.

Anterograde amnesia refers to the inability to form long-term memories of events occurring after brain surgery or a brain injury, although memories formed before the trauma are usually intact.

Anterograde degeneration refers to the degeneration of the axon after the cell body has been damaged.
Anteroposterior axis refers to the axis that has the same directional orientation as the sagittal plane of motion and runs from front to back at a right angle to the frontal plane of motion. Anteroposterior axis is also known as the Sagittal or AP axis.