Medical dictionary. 2011.
dorsal lip — dor′sal lip′ n. dvl the dorsal marginal region of the blastopore, which acts as a center of differentiation • Etymology: 1935–40 … From formal English to slang
dorsal lip — noun : the margin of the fold of blastula wall that delineates the dorsal limit of the blastopore in the gastrulating amphibian embryo or corresponds to this in other vertebrate embryos and that constitutes the primary organizer, is essential to… … Useful english dictionary
dorsal lip — Embryol. the dorsal marginal region of the blastopore, which acts as a center of differentiation: as cells move through this region to the interior of the embryo during gastrulation, they acquire the ability to induce the overlying ectoderm to… … Universalium
primary organizer — the mesodermal cells of the dorsal lip region of the blastopore in amphibians, or similar region in other vertebrates, which triggers gastrulation … Medical dictionary
Regional specification — In the field of developmental biology, regional specification is the process by which different areas are identified in the development of the early embryo. The process by which the cells become specified differs between organisms. Contents 1… … Wikipedia
animal development — Introduction the processes that lead eventually to the formation of a new animal starting from cells derived from one or more parent individuals. Development thus occurs following the process by which a new generation of organisms is produced by … Universalium
organizer — 1. Originally applied to a group of cells on the dorsal lip of the blastopore, which induce differentiation of cells in the embryo and control growth and development of adjacent parts. 2. Any group of cells having such a controlling influence,… … Medical dictionary
TGF beta signaling pathway — The Transforming growth factor beta (TGFβ) signaling pathway is involved in many cellular processes in both the adult organism and the developing embryo including cell growth, cell differentiation, apoptosis, cellular homeostasis and other… … Wikipedia
Spemann&’s organizer — Signalling region located on the dorsal lip of the blastopore in the early embryo, essential for defining the main body axis … Dictionary of molecular biology
mesectoderm — 1. Cells in the area around the dorsal lip of the blastopore where mesoderm and ectoderm undergo a process of separation. 2. That part of the mesenchyme derived from ectoderm, especially from the neural … Medical dictionary
