title: Cellular aspects of labor.
mesh_terms: D000199:Actins / Q000378:metabolism; D000818:Animals; D002584:Cervix Uteri / Q000502:physiology / Q000648:ultrastructure*; D004967:Estrogens / Q000502:physiology; D005260:Female; D006168:Guinea Pigs; D006651:Histocytochemistry; D006801:Humans; D007743:Labor, Obstetric; D009215:Myometrium / Q000378:metabolism / Q000648:ultrastructure*; D009218:Myosins / Q000378:metabolism; D011247:Pregnancy; D011453:Prostaglandins / Q000502:physiology; D011817:Rabbits; D012065:Relaxin / Q000502:physiology; D014590:Uterine Contraction; D014599:Uterus / Q000648:ultrastructure*
chemical_list: D000199:Actins; D004967:Estrogens; D011453:Prostaglandins; D012065:Relaxin; D009218:Myosins