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Related Concept Videos

Role of Vitamins in Maintaining Bone Health01:25

Role of Vitamins in Maintaining Bone Health

The growth and maintenance of bone are regulated by a combination of nutritional factors, including vitamins, such as vitamin A, B12, C, D, and K.
Vitamin A
Vitamin A is involved in the process of bone remodeling. Retinoic acid, the active metabolite of Vitamin A, has nuclear receptors in osteoblasts and osteoclasts, which are involved in bone remodeling.
Vitamin B12
Vitamin B12 acts as a cofactor during the formation of osteoblast-related proteins, such as osteocalcin. Vitamin B12 plays a role...
Connective Tissue Cell Types01:22

Connective Tissue Cell Types

Connective tissue develops from the mesoderm of a developing embryo and consists of cells, fibers, and ground substance: a gel-like material containing large complexes of carbohydrates and proteins. Connective tissue was first identified as a separate tissue family in the 18th century, and Johannes Peter Muller coined the term connective tissue.
Fat cells (adipocytes), smooth muscle cells (myoblasts), and bone cells (osteoblasts) are some connective tissue cell types. Some immune system cells...
Role of Skin in Vitamin D Synthesis01:23

Role of Skin in Vitamin D Synthesis

The skin plays a crucial role in the synthesis of vitamin D, a vital nutrient for various physiological processes in the body. Vitamin D is unique because it can be synthesized in the skin through a series of chemical reactions triggered by exposure to ultraviolet B (UVB) radiation from sunlight.
The solar UV B rays (290-315 nm) are absorbed by the skin, and 7-dehydrocholesterol (provitamin D3) photolyzes it to previtamin D3, which undergoes a rapid transformation to vitamin D3(cholecalciferol).
Essential Minerals for Bone Health01:31

Essential Minerals for Bone Health

The minerals contained in all of the food we consume are essential for our organ systems. However, certain essential minerals, such as calcium, phosphorus, magnesium, manganese, and fluoride, largely affect bone health.
Calcium and Phosphorus
Calcium is a critical component of bones, especially in the form of calcium phosphate and calcium carbonate. Since the body cannot make calcium, it must be obtained from the diet. However, calcium cannot be absorbed from the small intestine without...
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...
Skeleton and Calcium Homeostasis01:21

Skeleton and Calcium Homeostasis

Calcium is not only the most abundant mineral in bone but also the most abundant mineral in the human body. Calcium ions are needed for bone mineralization, tooth health, heart rate regulation and strength of contraction, blood coagulation, the contraction of smooth and skeletal muscle cells, and the regulation of nerve impulse conduction. The average calcium level in the blood is about 10 mg/dL. When the body cannot maintain this level, a person will experience hypo or hypercalcemia.

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Related Experiment Video

Updated: May 24, 2026

Isolation of Mesenchymal Stem Cells from Human Alveolar Periosteum and Effects of Vitamin D on Osteogenic Activity of Periosteum-derived Cells
06:47

Isolation of Mesenchymal Stem Cells from Human Alveolar Periosteum and Effects of Vitamin D on Osteogenic Activity of Periosteum-derived Cells

Published on: May 4, 2018

Vitamin D in orthopaedics.

Chad M Patton1, Amy P Powell, Alpesh A Patel

  • 1Department of Orthopaedics, University of Utah, Salt Lake City, UT, USA.

The Journal of the American Academy of Orthopaedic Surgeons
|March 3, 2012
PubMed
Summary
This summary is machine-generated.

Vitamin D is crucial for musculoskeletal health, impacting bone density and neuromuscular function. Many orthopedic patients risk deficiency, potentially hindering bone healing and increasing fracture risk.

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Area of Science:

  • Orthopedics and Endocrinology
  • Nutritional Science
  • Bone Health Research

Background:

  • Vitamin D plays a vital role in musculoskeletal development, maintenance, and overall function.
  • Adequate vitamin D levels are linked to enhanced bone mineral density and reduced osteoporotic fracture rates.
  • Neuromuscular function is also positively influenced by sufficient vitamin D status.

Purpose of the Study:

  • To highlight the importance of vitamin D in orthopaedic health.
  • To address the ongoing debate regarding optimal vitamin D levels and intake requirements.
  • To identify the prevalence of vitamin D deficiency in orthopaedic patient populations.

Main Methods:

  • Review of existing literature on vitamin D and musculoskeletal health.
  • Analysis of epidemiological data concerning vitamin D deficiency in orthopaedic patients.
  • Synthesis of current knowledge on the consequences of vitamin D deficiency.

Main Results:

  • Epidemiological data indicate a growing number of orthopaedic patients are at risk for vitamin D deficiency.
  • Vitamin D deficiency can have widespread negative consequences for bone healing processes.
  • Inadequate vitamin D levels are associated with an increased risk of fractures and impaired neuromuscular function.

Conclusions:

  • Vitamin D is essential for maintaining musculoskeletal integrity and function.
  • A significant portion of orthopaedic patients face risks associated with vitamin D deficiency.
  • Further research and clinical attention are needed to address vitamin D status in orthopaedic care to optimize patient outcomes.