noun
definition
That part of the mesoderm of an embryo that develops into connective tissue, bone, cartilage, etc.
Examples of mesenchyme in a Sentence
It must, of course, be understood that the germinal epithelium covering the ridge, and the mesenchyme inside it, are both derived from the mesoderm or middle layer of the embryo.
Until the fifth or sixth week the development of the genital ridge is very much the same in the two sexes, and consists of cords of cells growing from the epithelium-covered surface into the mesenchyme, which forms the interior of the ridge.
In the female the same growth of epithelial cords into the mesenchyme of the genital ridge takes place, but each one is Neural tube.
The mesoblast of the cephalic (naupliar) region probably arises in connexion with the lips of the blastopore and consists of loosely-connected cells or mesenchyme.
During the fifth week of development these cells proliferate and invade the underlying retroperitoneal mesenchyme.
They migrate to form the dental mesenchyme, supportive cells of the nervous system, the adrenal cortex and melanocytes of the skin.