Phenotype: blastoderm cleavage furrow absent, abnormal
Note: This statement combines anatomy and/or ontology terms with phenotype quality terms to create a complete phenotype (EQ) statement. For detailed information on individual terms, click the hyperlinked term name.
Name: blastoderm
Synonyms:
Definition: Embryonic structure that is composed of the cellular part of the embryo, excluding the yolk cell, derived from the blastodisc by early morphogenesis; refers particularly to the time when the cell array is sheet-like, between 30%-epiboly and the end of gastrulation.
Ontology: Anatomy Ontology [ZFA:0001176]
Name: cleavage furrow
Synonyms:
Definition: The cleavage furrow is a plasma membrane invagination at the cell division site. The cleavage furrow begins as a shallow groove and eventually deepens to divide the cytoplasm.
Ontology: GO: Cellular Component [GO:0032154]    QuickGO    AmiGO
Name: absent
Synonyms: absence, absent from organism
Definition: A quality denoting the lack of an entity.
Ontology: Phenotypic Quality Ontology [PATO:0000462]