Organ That Makes T-Cells
This page is the CodyCross answer for the clue below from Prehistory, Group 1242, Puzzle 5 (Ardipithecus).
Question is: Organ That Makes T-Cells
and the answer is: THYMUS
Word Meaning:
THYMUS — (anatomy, immunology) Ellipsis of thymus gland (“A ductless gland, consisting mainly of lymphatic tissue, located behind the top of the breastbone. It is most active during puberty, after which it shrinks in size. It plays an important role in the development of the immune system and produces lymphocytes.”).
Definitions from Wiktionary.