Titlebook: Embryology; Robert E. Coalson Book 19871st edition Springer-Verlag New York Inc. 1987 development.embryo.embryology.nervous system

linguistics

Face and Palate,l cavity surfaced by ectoderm and receiving their general sensory innervation from the trigeminal nerve.) The five structures which form the boundaries of the stomodeum and which are subsequently involved in facial and palatal development are the:

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Cardiovascular System,ays), a primitive ‘ebb and flow’ circulation has been established; by the end of the fourth week (28 days), the blood has begun to circulate, regularly and unidirectionally, through the embryonic and extraembryonic (placental) vessels.

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Book 19871st editioneted standard courses in the various anatomical disciplines and who wish to review the developmental history of the major organ systems. This book will provide medical students with a highly suitable review for Part I of the National Boards (NBME, Part I). R. E. Coalson ACKNOWLEDGMENTS I wish to ack

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Female Reproductive Cycle,mone (FSH) and luteinizing hormone (LH); the uterine cycle is regulated as a direct response to hormones produced by the ovary (estrogen and progesterone). Ultimate control of the pituitary resides in the hypothalamus where neurons sensitive to circulating blood levels of ovarian hormones are located.

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Fertilization and Pregnancy,). Penetration is facilitated by enzymes (. and .) present in the acrosomal vesicle of the sperm (acrosome reaction). After the gametes are in contact, plasma membrane fusion appears to incorporate the entire sperm (nucleus and organelles) into the cytoplasmic mass of the ovum; the second polar body is formed at this time.

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Development of General Body Form,raniocaudal elongation caused by the rapidly developing notochord and central nervous system; the . appears a short time later as a result of the same craniocaudal growth. Comparable but less distinct lateral . appear along each side.

搏斗

https://doi.org/10.1007/978-3-662-67801-5tire chorionic surface is covered with villi but those adjacent to the capsularis degenerate to produce the smooth (nonvillous) . The villi adjacent to the decidua basalis persist, increase in size and produce the . or fetal portion of the placenta.

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Formation of the Placenta,tire chorionic surface is covered with villi but those adjacent to the capsularis degenerate to produce the smooth (nonvillous) . The villi adjacent to the decidua basalis persist, increase in size and produce the . or fetal portion of the placenta.