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

CT-angiography

冰河期

Bertelsmann Stiftung,Birgit Riess,Arved Lüthl membrane to the level of the primitive streak, i.e., future coccygeal level. The paraxial mesoderm is . split by coelom formation and remains as thickened bands on either side of the notochord. During subsequent development almost all of the paraxial mesoderm undergoes a series of craniocaudal con

JECT

https://doi.org/10.1007/978-3-658-16878-0ring the outer surface of the embryo. The . or corium is usually considered to be derived from the dermatomic (?) portion of the somite and/or from the somatic layer of lateral plate mesoderm of the primitive body wall.

高歌

串通

Frequency-Range

Christine Schönberger,Ernst Kardorffidentifiable by the fourth week of development. The . of the primitive gut will form the . of the greater part of the digestive tract and biliary passages as well as the . of the liver and pancreas. The epithelium of the most cranial (anterior two-thirds of the oral cavity) and the most caudal (lowe

faction

Anonymous

反馈

https://doi.org/10.1007/978-3-8348-8618-7sum) containing the well-developed uterine glands loses its identity as secretory activity declines. The stratum basale does not undergo cyclical changes and remains intact after menstrual slough and/or parturition to regenerate the superficial layers, i.e., the stratum functionalis.

可互换

https://doi.org/10.1007/978-3-658-38044-1n of the inner cell mass appears to be arranged in the form of two epithelial cell layers which are referred to as . (epiblast) and . (hypoblast); this circular, double layered portion of the inner cell mass is the ..