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Bozeman Science
Homeostatic Loops
Paul Andersen describes four important homeostatic loops in biology. He begins with a brief description of the elements of a homeostatic loop. He then describes how the hypothalamus helps us maintain a stable internal body temperature....
Catalyst University
Physiology of the Osteoclast
In this video, we discuss the following: <br/>
[1] functions of osteoclasts and how they promote bone<br/> resorption
[2] production of osteoc<br/>lasts from macrophages
[3] appeara<br/>nce of osteoclasts by Scanning EM
[1] functions of osteoclasts and how they promote bone<br/> resorption
[2] production of osteoc<br/>lasts from macrophages
[3] appeara<br/>nce of osteoclasts by Scanning EM
Catalyst University
Regulation of Blood Calcium via PTH and Calcitonin
In this video, we will contrast the biological/hormonal responses to low and high blood calcium and determine the effects on bone mineral density.
The Noted Anatomist
Thyroid and Parathyroid Glands
This video tutorial provides an overview of the thyroid and parathyroid glands (topography, parts, vascular supply, histology, hormones, etc..). 0:00. Introduction 0:30. Thyroid gland structure and topography 1:37. Parathyroid gland...
JJ Medicine
Vitamin D Toxicity (Hypervitaminosis D) | Causes, Pathophysiology, Symptoms, Diagnosis, Treatment
Vitamin D Toxicity (Hypervitaminosis D) | Causes, Pathophysiology, Symptoms, Diagnosis, Treatment
***NOTE: I forgot to mention that in the diagnosis of Hypervitaminosis D, it is important to not only measure calcium (which...
***NOTE: I forgot to mention that in the diagnosis of Hypervitaminosis D, it is important to not only measure calcium (which...
Catalyst University
Functions of Osteoblasts & Osteocytes | Organization of the Osteon
In this video, we discuss the following: <br/>
[1] functions of osteoblasts and<br/> osteocytes
[2] orga<br/>nization of the osteon
[3] appear<br/>ance of osteocytes by Scanning EM
[1] functions of osteoblasts and<br/> osteocytes
[2] orga<br/>nization of the osteon
[3] appear<br/>ance of osteocytes by Scanning EM
Curated OER
Bone Structure
Did you know that your bones continue to be dissolved and replaced throughout your life? Learn all about osteoblasts, osteocytes, and osteoclasts in this video. The roles of different types of bone are highlighted and explained.
Sophia Learning
Sophia: Homeostasis and Bone Remodeling: Lesson 1
This lesson will define the role of bone remodeling in maintaining homeostasis in the body. It is 1 of 4 in the series titled "Homeostasis and Bone Remodeling."
Khan Academy
Khan Academy: Skeletal Endocrine Control
This video explains how the endocrine system plays an important role in calcium homeostasis through its effect on bone remodeling and its effect on calcium absorption. [8:22]