| Dataset | MPO Gene-Phenotype Associations |
| Category | disease or phenotype associations |
| Type | phenotype |
| Description | a sperm head that is unusually oblong in shape and much smaller than normal; typically, pinhead sperm result when the centrioles from which the sperm tails develop are not correctly aligned opposite the developing acrosome so that sperm heads are lost and absorbed during epididymal transit (Mammalian Phenotype Ontology, MP_0009236) |
| External Link | http://www.informatics.jax.org/searches/Phat.cgi?id=MP:0009236 |
| Similar Terms | |
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2 gene mutations causing the pinhead sperm phenotype in transgenic mice from the MPO Gene-Phenotype Associations dataset.
