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WBPhenotype:0000227
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male turning defective
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The inability of a male to properly turn during mating behavior. In C. elegans, males typically turn via a sharp ventral arch of the tail, as he approaches either the hermaphrodite head or tail. |
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WBPhenotype:0000279
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spicule insertion defective
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Males exhibit defects in the insertion of the male copulatory spicules into the mating partner. In C. elegan spicule insertion behavior initiates when the male cloaca contacts the vulva. During most mating encounters, the spicule tips will prod the vulva continuously until they partially penetrate, which then causes the protractors to contract completely so that the spicules extend through the vulva. |
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WBPhenotype:0004004
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male response to contact defective
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The inability of a male to respond properly to a potential mate after contact. In C.elegans, proper response includes apposing the ventral side of his tail to the hermaphrodite's body and swimming backward. |
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WBPhenotype:0000649
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vulva location variant
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Any variation in the male's ability to locate his partner's vulva when backing along the ventral side of the partner during mating compared to control. In C. elegans the male stops at the vulva, coordinates his movements to the hermaphrodite's, and positions his tail precisely over the vulva so that he may insert his spicules and ejaculate. |
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WBPhenotype:0000284
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sperm transfer defective
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Any defect in the process whereby a male inseminates his partner by introducing sperm into the genital tract. |
