blastoderm
/ˈblastə(ʊ)dəːm
/noun Embryology
A blastula having the form of a disc of cells on top of the yolk.When the membranes surrounding the peripheral nuclei fuse to form the 6000 cells of the cellular blastoderm, they enclose 175-225 polyploid yolk nuclei within a large syncytial yolk cell....
- As a result, the blastodisc on the yolk becomes a blastoderm.
- When the egg is laid, the blastoderm contains several hundred cells.
- awake
- awaken
- awakening
- a walk in the park
- award
- award ceremony
- awardee
- awarder
- awards ceremony
- award wage
- award-winning
- aware
- awareness
- awareness bracelet
- awari
- a (warning) shot across the bows
- awash
- a watched pot never boils
- away
- awayday
- away goal
- away message
- away (or off or out etc.) with
- away with
- away with the fairies