Endocrine System and Hypothalamic-Pituitary Axis (HPA)

by Thad Wilson, PhD

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    00:01 The general principle of the endocrine system and the hypothalamic pituitary axis.

    00:08 Let's first start off by looking through some of the major components of the endocrine system.

    00:16 The hypothalamus and the pituitary go together quite well.

    00:20 The hypothalamus control many of the pituitary secretions.

    00:24 These are both from the anterior and posterior pituitary.

    00:28 The thyroid and parathyroid glands are going to be very important for releasing T3,T4 and parathyroid hormones.

    00:37 The adrenal glands located just above the kidney as well as the pancreas, which have both an endocrine component and an exocrine component.

    00:47 And finally the gonads for both the male and female all part of the endocrine system.

    00:52 And let's talk through many of those different hormones individually.

    00:59 There are a few other tissues in the body that do produce hormones.

    01:05 And again a hormone is a signaling molecule that is put into the blood, travels around in circulations and binds to a target tissue.

    01:14 Beside the major one, adipose tissue can serve as a place in which hormones are derived and secreted.

    01:24 Leptin is the primary hormone here.

    01:28 The heart produces a couple of hormones.

    01:31 ANP Atrial natriuretic peptide and BNP Brain natriuretic peptide.

    01:37 The kidney also produces some hormones.

    01:39 Things like EPO Erythropoietin.

    01:44 The liver participates in endocrine control by releasing insulin like growth factors.

    01:51 And then the intestines and the stomach round it out as there are many different hormones released such as gastrin and secretin.

    01:59 They're going to be very important in the digestive process but really only act pretty locally in the GI system.

    About the Lecture

    The lecture Endocrine System and Hypothalamic-Pituitary Axis (HPA) by Thad Wilson, PhD is from the course Endocrine Physiology.

    Included Quiz Questions

    1. BNP
    2. TPO
    3. Insulin-like growth factor
    4. Insulin
    5. Calcitonin
    1. Adipose tissue
    2. Heart
    3. Ovaries
    4. Kidney
    5. Liver

    Author of lecture Endocrine System and Hypothalamic-Pituitary Axis (HPA)

     Thad Wilson, PhD

    Thad Wilson, PhD

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