6. Study of T. S. testis, T. S. ovary and V.S. of blastula, through
permanent slides.
1. T.S. Testis :
.
Date :
Internal structure of testis shows presence of tunica albuginea and seminiferous tubules. Testis
is externally covered by fibrous connective tissue called as tunica albuginea. It is internally
covered by tunica vascularis formed by capillaries and externally by an incomplete covering
called as tunica vaginalis.
Seminiferous tubules are lined by cuboidal germinal epithelial cells.
It shows different stages of spermatogenesis lie spermatogonia, primary and secondary
spermatocytes, spermatids and sperms. Few large pyramidal cells are present interruptin
germinal epithelium are nurse cells or sertoli cells. Sperm bundles get attached to serto
cells with their heads. Function of sertoli cells is to provide nourishment to the sperms
maturation.
Figure:-
Spermatic cord
Blood vessels and vervesस्टेट लेबल डायग्राम
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Answer:
Materials Required
Permanent slides of T.S. of testes.
Permanent slides of T.S. of the ovary.
Explanation:
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