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  • Jaejeong & Jaeah Kim

Testis Dissection || Low-Hanging Fruit

Updated: Apr 10, 2021

How does the testis work? Learn how to dissect a bull testis in this video, which covers the external and internal anatomy and physiology.

The testis is a vital part of the male reproductive system. It has the crucial function of producing sperm cells. But how does it do it? In this video, you’ll learn general information about the physiology of the testis, which will be tied into its anatomical structures.

This dissection lab is for anyone who is curious about testis anatomy, wants to cover testis anatomy for a course, missed the testis dissection during biology class, or just wondered, “How does the testis work?”. The video will teach you how to dissect a testis step by step, and review the external and internal anatomy of the testis.

In this video, we’ll cover the following structures:

Spermatogonia Visceral tunica vaginalis

Testis Tunica albuginea

Epididymis Testicular parenchyma

Vas deferens Seminiferous tubules

Ejaculatory duct Sertoli cells

Prostate gland Leydig cells

Seminal vesicles Rete testis

Penis Mediastinum

Efferent ductules Septa

Parietal tunica vaginalis Lobules

If you want to learn more about testis anatomy, here’s a link to a website with more detailed information, as well as diagrams:​

If you have any questions regarding testis anatomy, dissection methodology, or general biology, feel free to leave a comment. We'll try our best to reply.


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