Electron microscopic observations on accommodations to pregnancy in the uterus of the spiny dogfish, Squalus acanthias.
D000818:Animals; D001485:Basement Membrane; D001808:Blood Vessels / Q000502:physiology; D004847:Epithelial Cells; D005260:Female; D008431:Maternal-Fetal Exchange; D008853:Microscopy; D008854:Microscopy, Electron; D009092:Mucous Membrane / Q000166:cytology; D011247:Pregnancy; D011270:Pregnancy, Animal; D012754:Sharks; D014599:Uterus / Q000502:physiology*