Question

How many seminiferous tubules are there?

Answer 1

Seminiferous tubules are the site of meiosis and the subsequent formation of male gametes, namely spermatozoa. Sertoli cells surround and support germ cells undergoing progressive differentiation and development into mature Seminiferous tubules containing epithelium made up of Sertoli cells that envelop and support germ cells undergoing progressive differentiation and development into mature Seminiferous tubules.

Complete answer:
Meiosis takes place in seminiferous tubules, which are found within the testis. They average 50 cm in length and are highly coiled. A human typically has 750-1200 seminiferous tubules. They are responsible for producing, maintaining, and storing sperm.
Sertoli cells, which are tall, columnar cells that line the tubule's epithelium, are a type of sustentacular cell that lines the tubule. Spermatogenic cells, which differentiate into sperm cells during meiosis, are found in between the Sertoli cells. Sertoli cells are responsible for nourishing the sperm cells as they mature. Sertoli cells are responsible for nourishing the sperm cells as they mature. They release androgen-binding protein, a protein that binds to testosterone and raises its concentration inside the seminiferous tubules. They also secrete the anti-Müllerian hormone (AMH), which is required for the female Müllerian ducts to regress embryologically. There are two types: convoluted and straight, convoluted toward the lateral side, and straight as the tubule comes medially to form ducts that will exit the testis. The seminiferous tubules are formed from the testis cords that develop from the primitive gonadal cords, formed from the gonadal ridge.
The rete testis is a continuous chamber of flattened and irregularly shaped anastomosing channels that opens from the seminiferous tubules of the testis. The rete lies close to the connective tissue capsule surrounding the testis, known as the tunica albuginea, and is located at one pole of the testis (hilus). The hilus is also where blood vessels break through the capsule.

Therefore we can say that 750-1200 seminiferous tubules a human has.

Note:-
In the seminiferous tubules, spermatogenesis (the process of creating spermatozoa) takes place. The DNA of spermatogenic cells in the seminiferous tubules is damaged during spermatogenesis by reactive oxygen species and other environmental factors. A Sertoli cell is a "nurse" cell in the testicles that is part of a seminiferous tubule and aids in spermatogenesis.