Sper`ma*to*go"ni*um (?), n. [NL., fr. Gr. , , sperm + offspring.] Physiol.

A primitive seminal cell, occuring in masses in the seminal tubules. It divides into a mass (spermosphere) of small cells (spermoblast), which in turn give rise to spermatozoids.

 

© Webster 1913.

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