male infertility due to acephalic spermatozoa
MONDO:0035153Mondo
Findings
No curated finding names male infertility due to acephalic spermatozoa yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
A male infertility disorder characterized by defective sperm morphology, specifically the absence of the sperm head which prevents natural or assisted fertilization.
Definition from the Mondo Disease Ontology (MONDO:0035153), read 2026-09-29. CC BY 4.0.
Features
5 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- Acephalic spermatozoaHPOHP:0012869
- Very frequent (80% to 99% of cases)
- Male infertilityHPOHP:0003251
- Very frequent (80% to 99% of cases)
- OligozoospermiaHPOHP:0000798
- Frequent (30% to 79% of cases)
- Reduced sperm motilityHPOHP:0012207
- Frequent (30% to 79% of cases)
- Abnormal sperm mid-piece morphologyHPOHP:0012867
- Occasional (5% to 29% of cases)
Reported absent (2)
- Abnormality of chromosome segregationHPOHP:0002916
- Androgen insufficiencyHPOHP:0008226
Where it sits
- A kind of
Other names
1 name
Resolves to: male infertility due to acephalic spermatozoa
- Also called
- Acephalic spermatozoa syndrome