Term Name:	spermatogenic failure 89
Synonyms:	SPGF89
Definition:	A spermatogenic failure characterized by severely reduced progressive motility of sperm that has_material_basis_in homozygous or compound heterozygous mutation in the AK9 gene on chromosome 6q21.
Ontology:	Human Disease [DOID:0070588]   ( DOID:0070588 )