Term Name:	spermatogenic failure 31
Synonyms:	SPGF31
Definition:	A male failure due to acephalic spermatozoa that is characterized by oligozoospermia with a high proportion of acephalic sperm that has_material_basis_in homozygous or compound heterozygous mutation in PMFBP1 on chromosome 16q22.2.
Ontology:	Human Disease [DOID:0111922]   (DOID:0111922)