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Seminiferous tubules are located within the testes, and are the specific location of meiosis, and the subsequent creation of male gametes, namely spermatozoa.he seminiferous tubules are formed from the testis cords that develop from the primitive gonadal cords, formed from the gonadal ridge. Seminiferous tubule (right) with sperm (black, tiny, ovoid).
Each nephron is composed of an initial filtering component (the  renal corpuscle ) and a tubule specialized for reabsorption and secretion (the renal tubule).The renal corpuscle filters out solutes from the blood, delivering water and small solutes to the renal tubule for modification.he renal tubule is the portion of the nephron containing the tubular fluid filtered through the glomerulus. After passing through the renal tubule, the filtrate continues to the collecting duct system.