The next layer, the stratum granulosum, is a thin layer featuring granular keratinocytes that have been pushed out of the stratum spinosum. Human skin is only about 0.07 inches (2 mm) thick. The epidermis consists of several layers The topmost layer consists of dead cells that shed periodically and is progressively replaced by cells formed from the basal layer. Browse 40 skin cross section diagram drawing stock illustrations and vector graphics available royalty-free, or start a new search to explore more great stock images and vector art. Dead keratinocytes slough off from the exterior surface of the stratum corneum only to be replaced by new cells emerging from the deeper layers. Gravity. It is made of four or five layers of epithelial cells, depending on its location in the body. Write. Finally, ceruminous glands produce earwax to protect the ear canals from pathogens and environmental pollutants. The subcutaneous layer contains mostly loose connective tissues such as adipose and areolar connective tissue. ADD TO COLLECTION. Search Help in Finding Cross Section of Skin … These nervous and vascular tissues support the epidermis while the undulations, known as dermal papillae, increase the surface area of this border region. Save to Lightbox. A variety of exocrine glands also add function to the skin through their secretions. These tissues store energy as triglycerides; provide insulation to the underlying tissues; and loosely connect the skin to the body. E. Gregory Thompson, MD - Internal Medicine, Brian O'Brien, MD, FRCPC - Internal Medicine. Diagram showing a cross section of skin on the left and on the right a cross section showing the cell types. Learn how we develop our content. Terms in this set (22) hair shaft. Human skin is similar to most of the other mammals' skin, and it is very similar to pig skin. Appears in. The skin cells (melanocytes) that develop into melanoma usually are found in the epidermis. Superficial to the stratum basale is a thicker layer of epidermis known as the stratum spinosum, or spiny layer. Cross section of human skin in 3D demonstrating the layersCreated by Adam Vickerstaffhttp://www.thevicker.comSound by Audio Mainlinehttp://www.audiomainline.com If this layer is destroyed in a particular region, the epidermis cannot regrow and is replaced by scar tissue. The skin is by far the largest organ of the human body, weighing about 10 pounds (4.5 kg) and measuring about 20 square feet (2 square meters) in surface area. Created by. Test. STUDY. ARTICLE. The skin consists of two distinct layers: the epidermis and the dermis. Between the epidermis and dermis it forms an undulating border that is rich in blood vessels and nervous tissue. the vein has a thinner w - skin cross section … Learn about the skin's function and conditions that may affect the skin. The skin also protects the underlying tissues from UV radiation, extreme temperatures, and friction. Most of the skin can be … Subscribe Now. Research shows a clear link between UV and skin cancer. Skin And Its Receptors, Cross-Section Of The Skin, Including Hairs And Various Sensory Receptors. Illustration of shaft, cross, skin - 9845525 The reticular layer makes up the majority of the skin’s thickness and is primarily made of dense irregular fibrous connective tissue. Each layer is made of distinct tissues and performs distinct functions to support the body. This loose connection increases the flexibility of the body, especially at the joints where a large range of motion is extremely important. The outermost layer is the stratum corneum, a thick layer of dead, flattened, keratin-filled keratinocytes that protect the underlying tissues. Some sources equate the term mole with … Many arterioles and venules also pass through the reticular layer to provide blood flow to the superficial tissues of the papillary layer and epidermis. Most skin … Skin depth varies depending on location. Learn. Human Skin Cross Section … Between the epidermis and dermis it forms an undulating border that is rich in blood vessels and nervous tissue. It forms the outer covering for the entire body and protects the internal tissues from the external environment. The papillary layer is the most superficial layer of the dermis; it contacts the epidermis. Note the significant difference in the thickness of the epithelial layer of the thick skin… The papillary layer is the most superficial layer of the dermis; it contacts the epidermis. And the Healthwise logo are trademarks of Healthwise, Healthwise for every decision. 2011 Size: 100 KB Referencing Hub media is similar to pig skin of... 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