Maintains bone density and healthy bone growth, maintains normal function of nervous system, and stimulates calcium and phosphate uptake. When skin is exposed to UV, a precursor molecule of Vitamin D is produced. …
What is the main role of vitamin D3 produced in the skin?
Numerous functions of the skin are regulated by vitamin D and/or its receptor. These include inhibition of proliferation, stimulation of differentiation including formation of the permeability barrier, promotion of innate immunity, regulation of the hair follicle cycle, and suppression of tumor formation.
Why is vitamin D3 important quizlet?
It helps the body absorb calcium that is necessary for building and maintaining healthy bones. … Calcitriol (1,25-dihydroxyvitamin D3 or vitamin D3) is necessary for the absorption of calcium and phosphate by the small intestine.
How is the skin involved in the production of vitamin D quizlet?
Skin Cells produce Vitamin D in the presence of sunlight. Vitamin D helps us absorb Calcium from the foods we eat which helps our bones grow stronger. The outer layer of skin, starts as the Dermis then dies and moves to the surface. Two weeks after Dermis is created it dies and becomes the Epidermis.
What is the main function of vitamin D quizlet?
The primary function of vitamin D in the body is to: regulate calcium and phosphorus levels.
Why is vitamin D production by the skin important to the body quizlet?
Vitamin D is important for healthy skin because it helps absorb calcium in your food. Your skin cells need sunlight each day to produce Vitamin D. Outer layer of skin, oldest, deep in epidermis, new cells form, as they mature, they move upward until they die.
What part of the skin is vitamin D produced in?
Production in Skin
Upon exposure to UVB radiation, previtamin D3 is synthesized from 7-DHC in the skin, primarily in keratinocytes of the stratum basale and stratum spinosum layers of the epidermis.
What is the connection between skin sunlight and vitamin D quizlet?
What is the connection between skin, sunlight, and vitamin D? UV light can penetrate the skin and damage genetic material which can result in mutations and potential illnesses. UV can also be absorbed by melanin and manufactured into vitamin D. A sufficient amount of vitamin D can maintain a healthy body.
What is the connection between skin sunlight and vitamin D?
When your skin is exposed to sunlight, it manufactures vitamin D. The sun’s ultraviolet B (UVB) rays interact with a protein called 7-DHC in the skin, converting it into vitamin D3, the active form of vitamin D.
What are the functions of vitamin D in the body?
It is a fat-soluble vitamin that has long been known to help the body absorb and retain calcium and phosphorus; both are critical for building bone. Also, laboratory studies show that vitamin D can reduce cancer cell growth, help control infections and reduce inflammation.
What are the steps in the production of vitamin D?
Terms in this set (4)
- Sunlight contacting the epidermis converts seven dehydrocholesterol to vitamin D3, otherwise known as cholecalciferol.
- Transported via the blood to the liver, cholecalciferol is converted to calcidiol.
Which of the following produces vitamin D quizlet?
Which of the following organs produces vitamin D, provides protection and helps regulate body temperature? ( The skin is a major organ of the integumentary system. It produces vitamin D, provides protection, and helps regulate body temperature.)
Which vitamin has the best known role in cell differentiation quizlet?
Terms in this set (55)
Vitamin A plays role in cell differentiation.
Which of the following functions is not associated with the skin?
The correct answer: The condition which is not a function of the skin is d) vitamin A synthesis.
Which of the following is a function of vitamin D and parathyroid hormone quizlet?
PTH and vitamin D increase reabsorption of calcium into the blood by the kidneys. Vitamin D stimulates bone building, removing calcium from the bloodstream. Vitamin D is secreted from the parathyroid glands and stimulates the activation of PTH. Both PTH and vitamin D work to decrease levels of calcium in the blood.