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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). H&E stain. Latin
tubuli seminiferi Gray's subject #258 1243 MeSH
A05.360.444.849.700 1: Testicular septa 2: Convoluted
seminiferous tubules 3: Testicular lobules 4: Straight
seminiferous tubules 5: Efferent ductules 6: Rete testis
Seminiferous tubules are located in the testes, and are the
specific location of meiosis, and the subsequent creation of
gametes, namely spermatozoa.  The epithelium of the tubule
consists of sustentacular or Sertoli cells, which are tall,
columnar type cells that line the tubule.  In between the
Sertoli cells are spermatogenic cells, which differentiate
through meiosis to sperm cells.  There are two types: convoluted
and straight, convoluted toward the lateral side, and straight
as the