Phenotype: posterior cardinal vein lacks parts or has fewer parts of type lymphangiogenic sprout, abnormal
Name: posterior cardinal vein
Synonyms: axial vein, caudal cardinal veins, PCV, postcardinal vein
Definition: Continuation of the caudal vein cranial to the anal pore. The cardinal vein splits into a pair of vessels in the cranial trunk, just caudal to the radix of the aorta. The posterior cardinals each empty into the common cardinal vein.
Ontology: Anatomy Ontology [ZFA:0000477]
Name: lacks parts or has fewer parts of type
Synonyms: loss of
Definition: The bearer of this quality has_part < n of the indicated entity type, where n is the normal amount for a comparable organism. Note that the bearer of the quality is the whole, not the part. Formally: If a bearer entity e has fewer parts of type X at time t, then the number of instances x of X at t such that x part_of e is < n, where n is either the normal number for comparable entities, or n is stated explicitly. This case includes the limit case, where the bearer lacks all parts of the specified type.
Ontology: Phenotypic Quality Ontology [PATO:0001999]
Name: lymphangiogenic sprout
Synonyms:
Definition: Portion of vessel wall that extends to form a new lymph vessel.
Ontology: Anatomy Ontology [ZFA:0005603]