morphogen
英 ['mɒfədʒɪn] 美 ['mɔfoʊˌdʒen]

n.

成形素；

英英释义

Morphogen

• A morphogen is a substance governing the pattern of tissue development in the process of morphogenesis, and the positions of the various specialized cell types within a tissue. More precisely, a morphogen is a signaling molecule that acts directly on cells to produce specific cellular responses depending on its local concentration.

以上来源于:Wikipedia

权威例句

The Chemical Basis of Morphogenenis
Morphogens, compartments, and pattern: lessons from drosophila?
Direct and Long-Range Action of a DPP Morphogen Gradient
Identification of a receptor for the morphogen retinoic acid.
Direct and long-range action of a wingless morphogen gradient.
The Morphogen Sonic Hedgehog Is an Axonal Chemoattractant that Collaborates with Netrin-1 in Midline Axon Guidance
The morphogen Sonic hedgehog is an indirect angiogenic agent upregulating two families of angiogenic growth factors
decapentaplegic acts as a morphogen to organize dorsal-ventral pattern in the Drosophila embryo
Identification of a fibroblast-derived epithelial morphogen as hepatocyte growth factor.
The graded distribution of the dorsal morphogen is initiated by selective nuclear transport in Drosophila.