title: Contribution to the knowledge of histophysiological characteristics of the pineal gland of ewes during pregnancy.
mesh_terms: D000818:Animals; D004971:Estrus; D005260:Female; D006652:Histological Techniques; D010870:Pineal Gland / Q000166:cytology / Q000502:physiology*; D011247:Pregnancy; D012726:Sexual Behavior, Animal / Q000502:physiology; D012756:Sheep / Q000502:physiology*; D013194:Staining and Labeling; D013997:Time Factors