Before We are Born: Essentials of Embryology and Birth DefectsA beginning text for medical students of embryology, which presents the basic facts and concepts of normal and abnormal development that are essential for students of medicine and the associated health sciences. |
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abnormalities amniotic anomalies aorta appear arch artery associated becomes begins birth blood body bone brain branchial called canal cartilage caudal cause cavity cells cent Chapter chorionic chromosome cleft common congenital connective cord cranial defects derived differentiate dorsal Drawings drugs duct early ectoderm embryo external female fertilization fetal fetus Figure fluid folds foramen formation fourth fuse genetic gland groove grow growth head heart human illustrating indicate infants kidney known lateral layer limb lungs male maternal membrane mesenchyme mesoderm Moore muscle nerve neural tube normal occurs organs palate passes period pharyngeal Philadelphia placenta plate portion pregnancy primary primitive produce prominence region result separate septum showing sinus spinal stage structures surface teratogenic third tion tissue umbilical urogenital sinus usually uterine uterus ventral vessels wall WB Saunders week yolk sac