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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