spermatogenous cell

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conifer — /koh neuh feuhr, kon euh /, n. 1. any of numerous, chiefly evergreen trees or shrubs of the class Coniferinae (or group Coniferales), including the pine, fir, spruce, and other cone bearing trees and shrubs, and also the yews and their allies… … Universalium
ginkgophyte — ▪ plant division Introduction any member of the division Ginkgophyta, a group of gymnospermous plants of particular interest to paleobotanists. Two of the three genera of ginkgophytes, Ginkgoites and Baiera, are extinct. The third genus,… … Universalium
Antheridium — An antheridium (plural: antheridia) is a haploid structure or organ producing and containing male gametes (called antherozoids or sperm). It is present in the gametophyte phase of lower plants like mosses and ferns, and also in the primitive… … Wikipedia
Sperm — The term sperm is derived from the Greek word (σπέρμα) sperma (meaning seed ) and refers to the male reproductive cells. In the types of sexual reproduction known as anisogamy and oogamy, there is a marked difference in the size of the gametes… … Wikipedia

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