Term: blastomere cell cortex
Name: blastomere
Synonyms: blastomeres
Definition: Cell that arises during cleavage and is partially cleaved, and located at the blastodisc margin prior to collectively forming the yolk syncytial layer (YSL) in the midblastula.
Ontology: Anatomy Ontology [ZFA:0000093]

Name: cell cortex
Synonyms: cell periphery, ectoplasm, peripheral cytoplasm
Definition: The region of a cell that lies just beneath the plasma membrane and often, but not always, contains a network of actin filaments and associated proteins.
Ontology: GO: Cellular Component [GO:0005938]    QuickGO    AmiGO