Body Part Attached to the Top of the Spinal Cord

This page is the CodyCross answer for the clue below from Larger than Life, Group 2149, Puzzle 5 (Willis Tower).

Question is: Body Part Attached to the Top of the Spinal Cord

and the answer is: BRAINSTEM

Word Meaning:

BRAIN STEM — (neuroanatomy, anatomy) The part of the brain that connects the spinal cord to the cerebrum and the rest of the forebrain.

Definitions from Wiktionary.