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Mammalian Phenotype Browser
Term Detail
MP term:absent sperm head
Synonym: acephalic sperm
Synonym: decapitated spermatozoa
Synonym: headless sperm
Synonym: sperm acephaly
MP id: MP:0009234
Definition: absence of the head segment of the sperm cell
Number of paths to term: 3

is-adenotes an 'is-a' relationship
part-ofdenotes a 'part-of' relationship


mammalian phenotype
        is-areproductive system phenotype
                is-aabnormal reproductive system morphology
                        is-aabnormal gametogenesis
                                is-aabnormal germ cell morphology
                                        is-aabnormal gametes
                                                is-ateratozoospermia
                                                        is-aabnormal sperm head morphology
                                                                is-aabnormal acrosome morphology +
                                                                is-aabnormal sperm nucleus morphology
                                                                is-aabsent sperm head [MP:0009234] (12 genotypes, 12 annotations)
                                                                is-aenlarged sperm head
                                                                is-apinhead sperm
                                                                is-asmall sperm head


mammalian phenotype
        is-areproductive system phenotype
                is-aabnormal reproductive system morphology
                        is-aabnormal gametogenesis
                                is-aabnormal germ cell morphology
                                        is-aabnormal male germ cell morphology
                                                is-ateratozoospermia
                                                        is-aabnormal sperm head morphology
                                                                is-aabnormal acrosome morphology +
                                                                is-aabnormal sperm nucleus morphology
                                                                is-aabsent sperm head [MP:0009234] (12 genotypes, 12 annotations)
                                                                is-aenlarged sperm head
                                                                is-apinhead sperm
                                                                is-asmall sperm head


mammalian phenotype
        is-areproductive system phenotype
                is-aabnormal reproductive system morphology
                        is-aabnormal gametogenesis
                                is-aabnormal spermatogenesis
                                        is-ateratozoospermia
                                                is-aabnormal sperm head morphology
                                                        is-aabnormal acrosome morphology +
                                                        is-aabnormal sperm nucleus morphology
                                                        is-aabsent sperm head [MP:0009234] (12 genotypes, 12 annotations)
                                                        is-aenlarged sperm head
                                                        is-apinhead sperm
                                                        is-asmall sperm head

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last database update
09/23/2014
MGI 5.19
The Jackson Laboratory