title: Ultrastructural changes in the uterine glands of the Roe deer during delayed implantation.
mesh_terms: D000818:Animals; D003670:Deer / Q000033:anatomy & histology* / Q000502:physiology; D010064:Embryo Implantation; D004717:Endometrium / Q000166:cytology*; D004847:Epithelial Cells; D005260:Female; D010063:Ovum; D011247:Pregnancy; D013997:Time Factors