nematospermia

Spermatozoa with an elongated tail, as in humans, in contrast to spherospermia. [nemat- + G. sperma, seed]

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nem·a·to·sper·mia (nem″ə-to-spurґme-ə) [nemato- + sperm- + -ia] spermatozoa having elongated tails, as seen in mammals and various other animals.