The presence of smooth muscular cells in the ovary of several mammals as seen under the electron microscope.
D000818:Animals; D002415:Cats; D005260:Female; D051379:Mice; D008854:Microscopy, Electron; D009130:Muscle, Smooth / Q000166:cytology*; D010053:Ovary / Q000033:anatomy & histology*; D011817:Rabbits