<unk>  are located in the testicles, and are the specific location of meiosis, and the subsequent creation of gametes, namely spermatozoa.
The epithelium of the<unk> consists of sustentacular or Sertoli cells, which are tall, columnar type cells that line the<unk> 
In between the Sertoli cells are spermatogenic cells, which differentiate through meiosis to sperm cells.
There are two types: convoluted and<unk> raight.
Seminiferous tubules
Excretory duct of seminal gland
Renal tubule
Renal corpuscle
Concha bullosa
Distal convoluted tubule
Juxtaglomerular cell
Thin ascending limb of loop of Henle