Term Name:	spermatogenic failure 99
Synonyms:	SPGF99
Definition:	A spermatogenic failure characterized by male infertility due to asthenoteratozoospermia with severely reduced sperm progressive motility, sperm with a thin midpiece, absence of the annulus, and disorganization of the mitochondrial sheath that has_material_basis_in homozygous mutation in the SEPTIN4 gene (603696) on chromosome 17q22.
Ontology:	Human Disease [DOID:0070728]   ( DOID:0070728 )