Endocrine System: Thyroid, Parathyroid, Adrenal and Pancreas

by Geoffrey Meyer, PhD

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    The thyroid gland, the parathyroid gland, adrenal gland, and the pancreas are major endocrine glands in the body, having specific functions. I’ve already described the specific details of the histology of the pituitary gland and the hormonal products that that gland produces. In this lecture, you’re going to learn about the glands that I’ve listed on this particular slide. At the end of this lecture, you should have a very good understanding of how to distinguish and characterize the various types of glands, endocrine glands that I’m going to talk about. You need to understand and know the products of each of these glands, the hormones secreted and have a general idea of the general functions. The specific details of each of these hormones and their target cells and how they interact with these target cells will be explained to you in lectures in, say an endocrinology course. On this slide, I’ve listed general functions of the endocrine organs that I’m going to describe in this lecture. I’m going to also provide in this lecture the structural components or characteristics that serve all these sorts of functions. First, I will describe the thyroid gland. It’s a bilobed gland. It’s in the neck region. You can see labelled here at the top of the left-hand section through the neck region, a lobe of the thyroid. It’s separated by the trachea, so one lobe is on either side, joined by a very thin isthmus of thyroid secretory units that I won’t describe in this particular lecture. Trachea is a roughly circular structure. If you look carefully, it has got the cartilage rings that support it. And then the other structure on the far left of this particular section is the esophagus. On the right-hand side, you can see details of the thyroid...

    About the Lecture

    The lecture Endocrine System: Thyroid, Parathyroid, Adrenal and Pancreas by Geoffrey Meyer, PhD is from the course Human Organ Systems. It contains the following chapters:

    • Endocrine System: Thyroid, Parathyroid, Adrenal and Pancreas
    • Thyroid gland
    • Parathyroid gland & adrenal gland
    • Adrenal cortex
    • Adrenal medulla
    • Endocrine pancreas

    Author of lecture Endocrine System: Thyroid, Parathyroid, Adrenal and Pancreas

     Geoffrey Meyer, PhD

    Geoffrey Meyer, PhD

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