The lamina terminalis is a thin layer that forms the median portion of the wall of the forebrain.

The lamina terminalis is immediately anterior to the tuber cinereum; together they form the pituitary stalk.

[2] This is the rostral end (tip) of the neural tube (embryological central nervous system) in the early weeks of development.

Failure of the lamina terminalis to close properly at this stage of development will result in anencephaly or meroencephaly.

[3] This article incorporates text in the public domain from page 816 of the 20th edition of Gray's Anatomy (1918)