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Results 1 - 2 from 2 for vas deferentia in 0.070 sec.
biotemp
H-shaped. Similar to the female oviducts, in the male, paired ducts, called the vas deferentia, emerge just below the heart and run downward toward the of the fifth walking legs ... become narrow and thin-walled to form the duct. The thick, glandular portion of the vas deferentia secrete a gelatinous matrix over the sperm to form dense packets of sperm called spermatophores ...
lobsters.org
Phylum Tardigrada summary for Zoology 6207, Spring 1982, WR Elsberry
In Heterotardigrada, gonoducts open to the outside through a preanal gonopore. Males possess two vas deferentia, a swollen portion serving as a seminal vesicle. Females possess a single oviduct which passes ...
rtis.com
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