part of part of tissue scapula pars glenoidalis of scapula Concave structure (posteromedial head) that forms the posterior head of the ventral margin of the scapula. The pars glenoidalis articulates with the humerus, and comprises the dorsal portion of the glenoid fossa. glenoid head of scapula UBERON:3000753 This class was sourced from an external ontology (amphibian_anatomy). Its definitions, naming conventions and relationships may need to be checked for compatibility with uberon