Term: male organism torus semicircularis
Name: male organism
Synonyms:
Definition: Gonochoristic organism that can produce male gametes.
Ontology: Anatomy Ontology [ZFA:0000242]

Name: torus semicircularis
Synonyms: semicircular torus
Definition: Multi-tissue structure that is part of the midbrain and develops from the alar plate. The torus semicircularis is located dorsal to the lateral tegmentum where it extends into the medial tectal ventricle and receives ascending sensory octavolateralis input.
Ontology: Anatomy Ontology [ZFA:0000599]