Look up: blastoderm

1. blastoderm
   [n] - a layer of cells on the inside of the blastula
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. blastoderm
   In many eggs with a large amount of yolk, cell division (cleavage) is restricted to a superficial layer of the fertilized egg (meroblastic cleavage). This layer is termed the blastoderm. In birds it is a flat disc of cells at one pole of the egg and in insects an outer layer of cells surrounding the yolk mass.
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
3. Blastoderm
   Blas'to·derm noun [ Greek blasto`s sprout + English derm .] (Biol.) The germinal membrane in an ovum, from which the embryo is developed.
   Found on http://www.encyclo.co.uk/webster/B/63
   
   
4. blastoderm
   In many eggs with a large amount of yolk, cell division (cleavage) is restricted to a superficial layer of the fertilized egg (meroblastic cleavage). This layer is termed the blastoderm. In birds it is a flat disc of cells at one pole of the egg and in insects an outer layer of cells surrounding the yolk mass. ... (18 Nov 1997) ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
5. blastoderm
   germinal disc noun a layer of cells on the inside of the blastula
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
6. blastoderm
   (blas´to-dәrm) collectively, the mass of cells produced by cleavage of a zygote, forming the hollow sphere of the blastula, or the cellular cap above a floor of segmented yolk in the discoblastula of telolecithal eggs.
   Found on http://www.encyclo.co.uk/local/21001
   
   
7. Blastoderm
   • (n.) The germinal membrane in an ovum, from which the embryo is developed.
   Found on http://thinkexist.com/dictionary/meaning
   
   
8. blastoderm
   (from the article `blastula`) ...sphere of cells, or blastomeres, produced during the development of an embryo by repeated cleavage of a fertilized egg. The cells of the blastula ... ...in a layer from one to several cells thick surrounding the cavity. The embryo at this stage may be likened to a hollow ball and is known as a ... [2 ...
   Found on http://www.britannica.com/eb/a-z/b/77
   
   
9. blastoderm
   blastoderm, blastodermic, blastodermatic The germinal skin or membrane surrounding the yolk in the impregnated living ovum, and constituting the superficial layer of the embryo in its earliest condition. It divides into two and afterwards three layers of cells (the epiblast, mesoblast, and hypoblast...
   Found on http://www.wordinfo.info/words/index/inf
   
   
10. blastoderm
    Type: Term Pronunciation: blas′tō-derm, -tō-der′ma Definitions: 1. The thin, disc-shaped cell mass of a young embryo and its extraembryonic extensions over the surface of the yolk; when fully formed, all three primary germ layers (ectoderm, endoderm, and mesoderm) are present. ...
    Found on http://www.medilexicon.com/medicaldictio
    
    
11. Blastoderm
    In biology, blastoderm is the germinal skin or membrane forming the superficial layer of the impregnated ovum, and from which the rudiment of the new being is formed.
    Found on http://www.probertencyclopaedia.com/brow
    
    
12. Blastoderm
    The blastoderm is a term for cell layers found in blastulas. In eutherians: In amniotes: A `blastoderm` is the layer of cells formed at one pole of macrolecithal eggs such as the yolky egg of birds. The yolk prevents the division from taking place through the egg, resulting in meroblastic cle...
    Found on http://en.wikipedia.org/wiki/Blastoderm