Template:Corpus Luteum Vignette

From Embryology
Historic Embryology
Regnier de Graaf.jpg

Regnier de Graaf (1641 – 1673) first observed histologically the corpus luteum in the ovary of a cow by its defining yellow structure. The yellow colour is caused by the accumulation of steroidal hormones.

Catchpole HR. Regnier De Graaf 1641-1673 (1940) Bull. Hist. Med. 8(9): 1261 - 1300. Corpus lutem