ep·i·blast 
(ĕpə-blăst′)
(ĕpə-blăst′)n.
The outer layer of a blastula that gives rise to the ectoderm after gastrulation.
ep′i·blastic adj.
- streetwise
- strength
- strengthen
- strengthener
- strenuous
- strenuously
- strenuousness
- strep
- strepsirhine
- strepsirrhine
- strep throat
- strepto-
- streptobacillus
- streptocarpus
- streptococcal
- streptococcic
- streptococcus
- streptodornase
- streptokinase
- streptolysin
- streptomyces
- streptomycin
- streptonigrin
- streptothricin
- streptozocin