Learn more about our commitment to Global Medical Knowledge. This site complies with the HONcode standard for trustworthy health information: verify here. Common Health Topics. Commonly searched drugs. Layers of the Skin. Epidermis Dermis Fat layer. Biology of the Skin. Test your knowledge. Dermatitis herpetiformis is an autoimmune disease that causes clusters of intensely itchy small blisters and hive-like swellings on the skin of people who have celiac disease.
Which of the following foods can trigger an attack of dermatitis herpetiformis? More Content. Click here for the Professional Version. It serves many important functions, including. Protecting the body against trauma. The skin has three layers:. Getting Under the Skin The skin has three layers.
Was This Page Helpful? Yes No. Structure of the Male Reproductive System. Effects of Aging on the Skin. Kumar, Vinay, Abul K. Abbas, Jon C. Aster, and James A. Robbins and Cotran. Pathologic Basis of Disease. Your Privacy Rights. To change or withdraw your consent choices for VerywellHealth. At any time, you can update your settings through the "EU Privacy" link at the bottom of any page.
These choices will be signaled globally to our partners and will not affect browsing data. We and our partners process data to: Actively scan device characteristics for identification.
I Accept Show Purposes. Structures found in the dermis include: Connective tissues, specifically collagen and elastin Blood capillaries the smallest of blood vessels and other small vessels Lymph vessels Sweat glands Sebaceous glands oil glands —best known for its tendency of becoming clogged and causing the dreaded white heads of acne, it actually plays an important role in protecting the body Nerve endings Hair follicles —the body contains close to 2 million hair follicles.
What Causes Wrinkles? Was this page helpful? Thanks for your feedback! Sign Up. What are your concerns? Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read our editorial process to learn more about how we fact-check and keep our content accurate, reliable, and trustworthy. Related Articles. What Is the Function of the Epidermis? But even though melanin is mighty, it can't shield you all by itself.
You'll want to wear sunscreen and protective clothing, such as a hat, to prevent painful sunburns. Protecting your skin now also can help prevent skin cancer when you get older.
The next layer down is the dermis say: DUR-mis. You can't see your dermis because it's hidden under your epidermis. The dermis contains nerve endings, blood vessels, oil glands, and sweat glands. It also contains collagen and elastin, which are tough and stretchy.
The nerve endings in your dermis tell you how things feel when you touch them. They work with your brain and nervous system, so that your brain gets the message about what you're touching. Is it the soft fur of a cat or the rough surface of your skateboard? Sometimes what you feel is dangerous, so the nerve endings work with your muscles to keep you from getting hurt.
If you touch something hot, the nerve endings in your dermis respond right away: "Ouch! That's hot! This all happens in a split second, without you ever thinking about it. Your dermis is also full of tiny blood vessels.
These keep your skin cells healthy by bringing them the oxygen and nutrients they need and by taking away waste. These blood vessels are hard to see in kids, but you might get a better look if you check out your grandparents' skin. As the dermis gets older, it gets thinner and easier to see through. The dermis is home to the oil glands, too. Sebum is your skin's own natural oil.
It rises to the surface of your epidermis to keep your skin lubricated and protected. It also makes your skin waterproof — as long as sebum's on the scene, your skin won't absorb water and get soggy.
You also have sweat glands in your dermis. Even though you can't feel it, you actually sweat a tiny bit all the time. The sweat comes up through pores , tiny holes in the skin that allow it to escape.
This condition is characterized by inflammation in the layer of fatty tissue under your dermis. Sarcoidosis , a condition that causes lumps to form in your skin tissue, can also impact the hypodermis.
It serves a critical health function, protecting you from disease and exposure. You can take good care of your skin by applying sunscreen all year round, staying hydrated, and making sure your diet includes plenty of vitamins A, C, E, and K. If you notice excessive bruising, wounds that have trouble healing, bleeding moles, painful cysts, or skin that tears easily, you should make an appointment with a health care professional.
Stretch marks commonly appear during or after pregnancy, after a sudden change in your weight, or during adolescence. Read on to learn how to care for…. Whether your pockmarks were caused by acne, chickenpox, or another skin condition, the resulting scar can be difficult to fade.
Here's what works. Dermarolling, aka microneedling, is the art of erasing unwanted acne scars, wrinkles, and stretch marks. See how to do it right, to avoid bad side….
It's not just the ingredients. American sunscreen may also be less great at sun and skin protection than brands from other countries.
0コメント