Endocrine System

Videos describe fat-soluble and water-soluble hormones, and hormone functions produced by various glands including adrenals, thyroid, parathyroid, gonads, hypothalamus, pituitary, and pancreas.

estrogen and testosterone

Hormones Produced by the Testes and Ovaries

This video describes the regulation of the testosterone and estrogen produced by the testes and ovaries and their main functions. Time Stamps Male hormone control by hypothalamus and pituitary 0:13  Seminiferous tubules 1:46  Negative feedback regulation of testosterone 2:44  Female hormone control by hypothalamus and pituitary 3:40  Follicular phase and luteal phase 5:27  Positive feedback regulation of …

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The Pancreas and Blood Sugar Regulation

This video describes how blood sugar is regulated by the 2 main pancreas hormones, insulin and glucagon, as well as what happens when regulation goes wrong. Time Stamps The Pancreas – endocrine cells 0:04  Insulin and Glucagon 1:08  How different nutrients impact blood sugar 1:41  Negative feedback regulation 4:21  How insulin decreases blood sugar 6:38  …

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Adrenal Glands and Stress

This video describes the function of the adrenal gland hormones and the stress response, including epinephrine, aldosterone, cortisol, and DHEA. Time Stamps Adrenal Cortex and Medulla 0:10  Regions of the adrenal cortex 2:20  Aldosterone and blood pressure 4:11  DHEA 6:23  Cortisol 7:43  Cushing’s disease and symptoms of excess cortisol 13:25  Addison’s disease and low cortisol …

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Thyroid gland

Thyroid and Parathyroid

This video describes the anatomy, and function of the thyroid and parathyroid glands, hormone functions and effects of imbalances. Time Stamps TSH stimulates the thyroid 0:04  Thyroid Anatomy 2:15  Molecules needed for thyroid hormone production 3:42  How thyroid hormone is produced in follicular cells 4:22  Functions of thyroid hormones 7:13  Hyperthyroidism, Hypothyroidism symptoms 9:53  Grave’s …

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Anterior Pituitary

Hypothalamus and Pituitary Gland

This video describes the hormones produced by the hypothalamus and how it controls the pituitary gland and plays a role in homeostasis. Time Stamps Hypothalamus and pituitary gland anatomy 0:03  Posterior pituitary hormones, oxytocin and ADH 2:28  Posterior pituitary hormone summary chart 5:57  Hypothalamus releasing hormones 6:03  Anterior pituitary hormones (GH, TSH, ACTH, FSH and …

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Endocrine System Overview

This video describes the main endocrine glands and their main functions, as well as water-soluble and fat-soluble hormones. Time Stamps Role in homeostasis 0.10  Endocrine vs exocrine 0:26  Endocrine system vs nervous system 1:44  Endocrine glands and main hormones and functions 3:47  Some hormones made in cells rather than glands 6:47  Water-soluble and fat-soluble hormones …

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