Hyperthyroidism (Overactive Thyroid) Signs & Symptoms (& Why They Occur)



Hyperthyroidism is a condition of an “overactive thyroid”, in which an excess of thyroid hormones (T4 and T3) are produced and lead to a variety of...

Characteristics of the parathyroid gland at the microscopic level.

Major arteries of the head and neck.

In this video, we explore the functions of thyroid hormones and how they are released.

Thyroid and parathyroid glands seen from the anterior and posterior views (12 structures).

What have the Hulk and Spiderman got in common? They both gained their super powers because of radiation. Well, in films and comics at least. In real life, radiation has never given anyone super powers. But when used carefully radiation...

You've probably heard of glands and hormones, especially since we learned a little about how hormones interact with receptors in the biochemistry series, but what are they in the greater context of human anatomy and physiology? Let's...

This video provides an overview of the endocrine system, explaining the function of glands and hormones in delivering messages throughout the body. It explores the roles of the pituitary, thyroid, parathyroid, adrenal glands, and...