'Mesoderm' definitions:
Definition of 'mesoderm'
(from WordNet)
noun
The middle germ layer that develops into muscle and bone and cartilage and blood and connective tissue [syn: mesoderm, mesoblast]
Definition of 'Mesoderm'
From: GCIDE
- Mesoderm \Mes"o*derm\, n. [Meso- + Gr. de`rma skin.] (Biol.) (a) The layer of the blastoderm, between the ectoderm and endoderm; mesoblast. See Illust. of Blastoderm and Ectoderm. (b) The middle body layer in some invertebrates. (c) The middle layer of tissue in some vegetable structures. [1913 Webster]