The Role of Colonar Epithelia in Secretion

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Columnar epithelia are tall, long, rectagonal shaped cells. They produce something that it can release into the hollow lumen of the environment it's facing. And so as we spoke earlier, these may also have microvilla on them to increase that absorptive capacity - particularly when you're in the intestines. So they like the stomach pits, let's say, or gastric pleads.

One of the four tissue types of the body, epithelia lines and protects our organs from the external and internal environment. In this episode, Dr Matt & Dr Mike explain how the different shape and layers of epithelia tell you what function it performs (form = functions) and highlight examples in the body where you can find each type. They also explore cancer, metaplasia, dysplasia, and Dr Matt's mums skin cancer diagnosis and surgery.

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