Seminiferous Tubules: Functions & Definition

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Lesson Transcript
Instructor: Derrick Arrington

Derrick has taught biology and chemistry at both the high school and college level. He has a master's degree in science education.

A new organism is formed when a sperm unites with an egg. In this lesson, you'll learn about the seminiferous tubules and their role in the process of creating new life.

What Are Seminiferous Tubules?

Male sex cells are known as sperm. When a sperm from a male unites with the egg from a female, the process of fertilization occurs and a new life is produced. This process of reproduction is crucial for the survival of any living thing. If the members of a species cannot reproduce, the species will go extinct. There are two critical processes that occur in living things to produce new cells. These processes are known as mitosis and meiosis. Mitosis is the cellular process that creates new body cells. These cells include skin cells, blood cells, and any cell other than sex cells. Meiosis is the process that creates sex cells. These cells include sperm and egg cells.

Seminiferous tubules are structures located in the male reproductive gland known as the testis. Meiosis in males occurs in the seminiferous tubules. This means that the seminiferous tubules are crucial in the process of reproduction. The seminiferous tubules consist of a network of tubes that are lined with a type of cell known as a sertoli cells. Sertoli cells are long columnar cells that are differentiated during the process of meiosis to form sperm.

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