词汇 | mesenchyme |
释义 | BETA Examples of mesenchymemesenchyme isn’t in the Cambridge Dictionary yet. You can help! This is not surprising, given that cumulus cells are derived from mesenchyme tissue that forms the gonadal ridges in the embryo. We show in this paper that, in vivo, bl/bl ureteric buds fail to invade the metanephric mesenchyme, a phenotype replicated during culture of mutant primordia. Wnt-4 is a mesenchymal signal for epithelial transformation of metanephric mesenchyme in the developing kidney. Stromal cells surround the condensing mesenchyme and developing nephrons. Abnormalities in the inductive interaction between bronchial epithelium and mesenchyme appear to result in the major abnormalities. Vasculogenesis within the mesenchyme transforms secondary into tertiary villi. Fusion of the precursor trophoblast of the placenta with the allantois is followed by invasion of mesenchyme thereby transforming primary villi into secondary villi. Three cell recognition changes accompany the ingression of sea urchin primary mesenchyme cells. The mesenchyme differentiates into cartilage, smooth muscle and mucous glands surrounding the developing airways. Early in gastrulation primary mesenchyme cells lose contact with the hyaline layer and ingress into the blastocoel. These studies suggested that splenic precursors move along the stomach, and that an inhibitory ' anchor ' effect is exerted by the posterior spleno-pancreatic mesenchyme. Instead, they localized in the mesenchyme around the ganglionic periphery or continued further ventrally to the branchial arches. The first stage of development is marked by the invasion of the epithelial ureteric bud into surrounding mesenchyme. These embryos lacked fluorescent stain on the primary mesenchyme cells. No tachy- or bradycardia was found in the postoperative group mesocardium that connects the heart tube to the mesenchyme of the except in one patient who developed sick sinus syndrome. |
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