Cross Section Of Seminiferous Tubule
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Spermatogenesis Takes Place In Seminiferous Tubules That Coil On The Inside Of Testes Like Nephrons In The Kidney Cell Line Tight Junction Basement Membrane
This is a cross section of a testes with seminiferous tubules c surrounded by a capsule b that enter into the rete testes d which empty into the head of the epididymis a and travel from the there to the body of the epididymis e.
Cross section of seminiferous tubule. B in this electron micrograph of a cross section of a seminiferous tubule from a rat the lumen is the light shaded area in the center of the image. Convoluted seminiferous tubules 3. Seminiferous tubules of the testis are the locations of spermatogenesis 3 identify the function of the highlighted cell type in this cross section of seminiferous tubules.
The cells remain connected by bridges of cytoplasm. Straight seminiferous tubules 5. They are outlined by pink stained spindle shaped smooth muscle cells.
Click on the green squares to see details of the seminiferous tubules. Between the circles are the pink stained interstitial cells leydig which secrete testosterone. A large number of primary spermatocytes is always visible in cross sections through seminiferous tubules.
The location of the primary spermatocytes is near the basement membrane and the early spermatids are approaching the lumen tissue source. Seminiferous tubule in cross section large tubular structure center of image with sperm black tiny ovoid bodies furthest from the outer edge of the tubular structure. Name the labeled structures.
Histologic examination of a testis biopsy specimen in cross section reveals many different seminiferous tubules surrounded by basal lamina and clusters of leydig cells in the interstitial compartment between each tubule see fig. Seminiferous tubule in cross section large tubular structure center of image with sperm black tiny ovoid bodies furthest from the outer edge of the tubular structure. Note the circles of cells making up the seminiferous tubles where the sperm develop.
Interstitial leydig cells produce the hormone testosterone 4 identify the function of the highlighted cells in this cross section of a seminiferous tubule. Cell divisions from the formation of primary spermatocytes and onwards to the production of the spermatocytes are incomplete.
Figure 19 17 Drawing Of A Section Of The Seminiferous Tubule Showing The Relationship Between Sertoli Cells And The Developing S Drawings Figures Fun Science
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