Maniyyi
Maniyyi ƙwayoyin halitta ne na namiji wanda yake fita a yayin saduwa da mace kuma ya bayar da damar haihuwa. Dabbobi na samar ƙwayar halitta wadda ake kira da maniyi mai motsi kuma tanada jela wana ake kira kwayar haihuwa wato flagellum, kuma ana kiranta da spermatozoa wasu daga cikin halittun ruwa suna halittar maniyi wanda be da jelar motsi wanda ake kira spermatia. Wasu daga cikin tsirrai sunada ƙwayoyin halitta mararsa motsi wasu kuma sunada masu motsi.

Maniyi ga dabbobi

Amfani 
Muhimmin amfanin maniyi a dabbobi shine isa zuwa kwayar halittar mace (kwai) kuma su hadu don samar da kwayoyin halitta guda biyu: kwayar halittar namiji wanda ke dauke da kwayoyin halittar gado ii) da kuma centrioles wanda ke taimakawa wajen kwayar halittar  microtubulecytoskeleton.

Manazarta