- chorionic mesoderm
- 绒(毛)膜中胚层
Medical Chinese dictionary (湘雅医学词典). 2013.
chorionic mesoderm
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Chorionic villi — Diagram of a transverse section, showing the mode of formation of the amnion in the chick. The amniotic folds have nearly united in the middle line. Ectoderm, blue; mesoderm, red; entoderm and notochord, black. (Vill … Wikipedia
extraembryonic coelom — n the space between the chorion and amnion which in early stages is continuous with the coelom of the embryo proper * * * the cavity, lined with mesoderm, that surrounds the embryo from the earliest stages of development. It communicates… … Medical dictionary
chorion — chorionic, chorial, adj. /kawr ee on , kohr /, n. 1. Embryol. the outermost of the extraembryonic membranes of land vertebrates, contributing to the formation of the placenta in the placental mammals. 2. Zool. the membrane around the eggs of… … Universalium
human embryology — ▪ biology Introduction the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The human body, like that of most animals, develops from a single cell produced by the union of… … Universalium
Extra-embryonic coelom — Extraembryonic coelom The extraembryonic coelom (or chorionic cavity) is shown between the two layers of extraembryonic mesoderm (labelled mes. ) in this image of an implanted embryo. Latin coeloma extraembryonicum … Wikipedia
plate — 1. [TA] In anatomy, a thin, relative flat, structure. SYN: lamina [TA]. 2. A metal bar perforated for screws applied to a fractured bone to maintain the ends in apposition. 3. The agar layer within a Petri dish or similar … Medical dictionary
Chorion — For the chorion in invertebrate eggs, see Chorion (egg). Chorion Diagram showing earliest observed stage of human embryo … Wikipedia
Placenta — A temporary organ joining the mother and fetus, the placenta transfers oxygen and nutrients from the mother to the fetus, and permits the release of carbon dioxide and waste products from the fetus. It is roughly disk shaped, and at full term… … Medical dictionary
Confined placental mosaicism — (CPM) represents a discrepancy between the chromosomal makeup of the cells in the placenta and the cells in the baby. CPM was first described by Kalousek and Dill in 1983.[1] CPM is diagnosed when some trisomic cells are detected on chorionic… … Wikipedia
Chorion — The outermost of the two fetal membranes—the amnion is the innermost . which together surround the embryo. The chorion develops villi (vascular fingers) and gives rise to the placenta. In Greek, the word "chorion" means "skin… … Medical dictionary
pregnancy — /preg neuhn see/, n., pl. pregnancies. the state, condition, or quality of being pregnant. [1520 30; PREGN(ANT) + ANCY] * * * Process of human gestation that takes place in the female s body as a fetus develops, from fertilization to birth (see… … Universalium
