Term: yolk syncytial layer epiboly
Note: This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name.
Name: yolk syncytial layer
Synonyms: periblast, yolk sac, YSL
Definition: Peripheral layer of the yolk cell including nuclei and non-yolky cytoplasm.
Ontology: Anatomy Ontology [ZFA:0000088]
Name: epiboly
Synonyms:
Definition: The expansion of one cell sheet over other cells or yolk.
Ontology: GO: Biological Process [GO:0090504]   QuickGO   AmiGO