Table of Contents
What is the function of the spermatheca?
In the female insect, the spermatheca is an ectodermal organ responsible for receiving, maintaining, and releasing sperm to fertilize eggs.
What does spermatheca meaning?
: a sac for sperm storage in the female reproductive tract of various lower animals and especially insects.
Where is the spermatheca found?
Spermathecal Structure The spermathecae vary considerably in their overall structure from insect to insect, but as outgrowths of the median oviduct, they are all ectodermal in origin and produce a cuticular lining. They generally arise from the median oviduct near or on the genital chamber (Fig. 1).
What are the advantages of spermatheca in an insect?
… Female insects may store spermatozoa in the spermatheca after mating (Pascini and Martins 2017). The spermatheca protects spermatozoa against mechanical damage and contact with the hemolymph and provides a suitable environment that ensures their nourishment, long-term storage, and viability (Klenk et al.
Is spermatheca paired in cockroach?
Answer: (a) Cockroach (b) Four pairs of spermathecae are present 6-9th segments.
How many spermatheca are found in male cockroach?
There are two spermathecae ( one pair) in cockroach.
What is the function of Spermatheca in female cockroach?
The spermatheca is an ectodermal organ responsible for receiving, maintaining, and releasing sperm to fertilize eggs.
Is Spermatheca paired in cockroach?
What is Spermatheca in female cockroach?
Hint: The spermatheca is an ectodermal organ responsible for receiving, maintaining, and releasing sperm to fertilize eggs. The sperm which is collected can remain viable and alive inside the spermatheca for several years.
Why is Spermatheca present in female cockroach?
Its purpose is to receive and store sperm from the male or, in the case of hermaphrodites, the male component of the body. Spermathecae can sometimes be the site of fertilization when the oocytes are sufficiently developed.
Is spermatheca present in female cockroach?
One pair spermatheca present and opens in genital chamber.
Is spermatheca present in cockroach?