Share this entry

Share this page

mesenchyme

Line breaks: mes|en¦chyme
Pronunciation: /ˈmɛsəŋkʌɪm
 
, ˈmiːz-/

Definition of mesenchyme in English:

noun

[mass noun] Embryology
A loosely organized, mainly mesodermal embryonic tissue which develops into connective and skeletal tissues, including blood and lymph.
Example sentences
  • Derived from embryonic mesoderm, mesenchyme is the first connective tissue formed.
  • The branchial arches begin as cylindrical cores of mesenchyme sandwiched between continuous sheets of epidermal ectoderm and internal endoderm.
  • In the sea-urchin embryo, for instance, the primary mesenchyme originates from epithelial cells of the blastula by their losing cadherins and producing enzymes that allow them to invade the basal lamina.

Origin

late 19th century: from Greek mesos 'middle' + enkhuma 'infusion'.

Derivatives

mesenchymal

1
adjective
Example sentences
  • All animals, including the essentially epithelial cnidarians, nevertheless have the capacity to produce mesenchymal cells.
  • In vertebrates, the limb apical epidermis promotes proliferation and inhibits differentiation of underlying mesenchymal cells.
  • While turning an undistinguished group of mesenchymal cells into muscle is a complex transformation, that transformation can be turned on or off with a set of very simple commands.

Definition of mesenchyme in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day snarf
Pronunciation: snärf
verb
eat or drink quickly or greedily