Morphology of human umbilical cord vessels.
D001808:Blood Vessels / Q000166:cytology*; D004547:Elastic Tissue; D004721:Endoplasmic Reticulum; D005260:Female; D005865:Gestational Age; D006801:Humans; D009130:Muscle, Smooth / Q000166:cytology; D011247:Pregnancy; D014470:Umbilical Cord / Q000098:blood supply*