OMIA:001354 : Muscular hypertrophy (double muscling), Callipyge

Categories: Muscle phene

Possible human homologues (MIM numbers): 176290 (gene) , 613648 (gene)

Cross-species summary: Abnormal increase in muscular tissue caused entirely by enlargement of existing cells (in contrast to muscular hyperplasia, in which the abnormal increase in muscular tissue is due to the formation and growth of new, normal muscle cells)

Species in which this phene is found:
sheep (Ovis aries)

Edit History


  • Created by Frank Nicholas on 03 May 2005
  • Changed by Frank Nicholas on 02 Dec 2011
  • Changed by Frank Nicholas on 21 Sep 2012
  • Changed by Imke Tammen2 on 17 Sep 2021