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Related Concept Videos

Hormones and Bone Tissue01:17

Hormones and Bone Tissue

The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it.
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
Hormonal Regulation01:33

Hormonal Regulation

The renin-aldosterone system is an endocrine system which guides the renal absorption of water and electrolytes, thus managing blood pressure and osmoregulation. Activation of the system begins in the kidneys with a small cluster of cells adjacent to the afferent and efferent blood vessels of the renal corpuscle. As the nephrons are filtering blood, juxtaglomerular cells monitor blood pressure. If they detect a decrease in pressure, they release the hormone renin into the bloodstream.
Hormonal Regulation01:40

Hormonal Regulation

Hormones regulate a significant portion of digestion through activation of the neuroendocrine system. The neuroendocrine system of digestion contains many different hormones all with multiple functions that are both, directly and indirectly, involved in digestion.
Bone Disorders01:29

Bone Disorders

Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Bone Remodeling01:40

Bone Remodeling

Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
Sex-linked Disorders01:43

Sex-linked Disorders

Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.

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Related Experiment Video

Updated: Jun 18, 2026

A Hyperandrogenic Mouse Model to Study Polycystic Ovary Syndrome
08:20

A Hyperandrogenic Mouse Model to Study Polycystic Ovary Syndrome

Published on: October 2, 2018

Hereditary osteodystrophy with multiple hormone resistance--a case report.

Ines Velez1, Melanie Bond, Steven Ellen

  • 1Oral and Maxillofacial Pathology, Nova Southeastern University, College of Dental Medicine, USA. ivelez@nova.edu

The Journal of Clinical Pediatric Dentistry
|December 4, 2009
PubMed
Summary

Pseudohypoparathyroidism (PHP) is a rare disorder causing hormone resistance. This case highlights how dental and jaw issues can lead to PHP diagnosis, preventing serious health implications.

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Last Updated: Jun 18, 2026

A Hyperandrogenic Mouse Model to Study Polycystic Ovary Syndrome
08:20

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Published on: October 2, 2018

Area of Science:

  • Endocrinology
  • Genetics
  • Dentistry

Background:

  • Pseudohypoparathyroidism (PHP), a rare autosomal dominant disorder, involves resistance to multiple hormones despite adequate production.
  • PHP is characterized by a heterogeneous group of conditions, often presenting diagnostic challenges.

Observation:

  • The case highlights dental and jaw manifestations as key indicators of PHP.
  • Early diagnosis of PHP is crucial due to potential serious health implications.

Findings:

  • PHP was diagnosed in this patient based on dental and jaw abnormalities.
  • This case underscores the importance of considering PHP in patients with specific oral and maxillofacial presentations.

Implications:

  • Dentists can play a vital role in the early identification of rare genetic disorders like PHP.
  • Timely diagnosis through dental examination can mitigate the severe consequences associated with untreated PHP.