Match. This layer lies between the skin and the structures under it, such as muscles. The hypodermis, deep to the dermis of skin, is the connective tissue that connects the dermis to underlying … Keratinocytes in the stratum granulosum also secrete lamellar granules, a waterproof substance that prevents water from leaking out of the body’s tissues or leaking into the body from the external environment. Innerbody Research does not provide medical advice, diagnosis, or treatment. The skin cells (melanocytes) that develop into melanoma usually are found in the epidermis. A beautiful abstract print of an original watercolor that I made. To learn more about Healthwise, visit Healthwise.org. Learn about the skin's function and conditions that may affect the skin. Two major regions make up the dermis: the papillary layer (stratum papillarosum) and the reticular layer (stratum reticulosum). ADD TO COLLECTION. Finally, ceruminous glands produce earwax to protect the ear canals from pathogens and environmental pollutants. By printing out this quiz and taking it with pen and paper creates for a good variation to only … The outer layer is called the epidermis; it is a tough protective layer that contains melanin (which protects against the rays of the sun and gives the skin … Flashcards. the muscular artery shows the tunica intima and internal elastic membrane, the tunica media (smooth muscle), and the tunica adventitia. Young keratinocytes are pushed into this layer from the reproduction of stem cells in the stratum basale. Hidden amongst the painting is the hair follicle, sebaceous gland, arterioles, … Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Illustration of shaft, cross, skin - 9845525 Free space for text. Its high capacity for replacing itself results in the skin being able to sustain significant environmental damage and then quickly heal to resume its function. Rights: University of Waikato Published 1 February 2011 Size: 100 KB Referencing Hub media. Write. In the thick skin on the soles of the feet and palms of the hands the stratum lucidum is a thin, transparent layer of dead keratinocytes lying superficial to the stratum granulosum. The human skin is the outer covering of the body and is the largest organ of the integumentary system.The skin has up to seven layers of ectodermal tissue and guards the underlying muscles, bones, ligaments and internal organs. Thousands of new, high … Superficial to the stratum basale is a thicker layer of epidermis known as the stratum spinosum, or spiny layer. Skin that has four layers of cells is referred to as “thin skin.” From deep to superficial, these layers are the stratum basale, stratum spinosum, stratum granulosum, and stratum corneum. Cross Section of Skin Variant Image ID: 29479 Add to Lightbox. Skin cancer. Author: Healthwise StaffMedical Review: E. Gregory Thompson, MD - Internal MedicineBrian O'Brien, MD, FRCPC - Internal MedicineAdam Husney, MD - Family MedicineMartin J. Gabica, MD - Family MedicineAmy McMichael, MD - Dermatology, Medical Review:E. Gregory Thompson, MD - Internal Medicine & Brian O'Brien, MD, FRCPC - Internal Medicine & Adam Husney, MD - Family Medicine & Martin J. Gabica, MD - Family Medicine & Amy McMichael, MD - Dermatology. It is thin on the neck and thick on the soles of the feet. Your use of this information means that you agree to the Terms of Use. muscular artery and vein in cross section showing layers or tunics, (magnification x 50). The outermost layer is the stratum corneum, a thick layer of dead, flattened, keratin-filled keratinocytes that protect the underlying tissues. Unsubscribe at any time. Some sources equate the term mole with … Detailed human skin structure with hair on the table in clinic. All Rights Reserved. WebMD's Skin Anatomy Page provides a detailed image of the skin and its parts as well as a medical definition. The epidermisis composed of keratinized, stratified squamous epithelium. Save to Lightbox. Please refer to Figure 3-1, a cross-sectional drawing of the skin. The skin is composed of two major layers: a superficial epidermis and a deeper dermis. The skin also contains many accessory structures that assist enhance its functions. A third layer of tissue under the skin, known as the hypodermis or subcutaneous layer, is not truly part of the skin itself but connects the skin loosely to the underlying muscles and bones that make up the deeper tissues of the body. Human skin cross section, eps8 Anatomy of human epidermis with stratum corneum flaking off in dry skin Anatomy of the epidermis, the outmost layer of human skin Overactive melanocyte produces … Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated. Get premium, high resolution news photos at Getty Images This represents a typical cross-section of human skin and features most of the major components in such a typical section of skin. Start studying Skin Cross Section Labeling. Dead keratinocytes slough off from the exterior surface of the stratum corneum only to be replaced by new cells emerging from the deeper layers. Normally the surface is smooth, punctuated only with hair and pores for sweat. This loose connection increases the flexibility of the body, especially at the joints where a large range of motion is extremely important. 44. The epidermis is a tough coating formed from overlapping layers of dead skin … It is an abstract representation of a cross section of the skin. Most skin … Terms in this set (22) hair shaft. 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. Email this page; Link this page ; Print; Please describe! The reticular layer makes up the majority of the skin’s thickness and is primarily made of dense irregular fibrous connective tissue. We hate spam as much as you do. Figure 5.3 Thin Skin versus Thick Skin These slides show cross-sections of the epidermis and dermis of (a) thin and (b) thick skin. It is a layer of connective tissue, fat cells, blood vessels, and nerves. This barrier function prevents pathogens and toxins from entering the body and keeps vital fluids locked in the body’s tissues. The granular appearance of keratinocytes is due to keratin and other chemicals accumulating inside the cells. This information does not replace the advice of a doctor. Note the significant difference in the thickness of the epithelial layer of the thick skin… The portion of the hair that extends beyond the skin surface … This is a free printable worksheet in PDF format and holds a printable version of the quiz Cross Section of Skin quiz . The bottom layer shown in the picture (subcutaneous layer) is not really part of the skin… Between the epidermis and dermis it forms an undulating border that is rich in blood vessels and nervous tissue. Add to new collection; CANCEL. Now please check your email to confirm your subscription. There was an error submitting your subscription. This is an online quiz called Cross Section of Skin quiz There is a printable worksheet available for download here so you can take the quiz with pen and paper. A melanocytic nevus (also known as nevocytic nevus, nevus-cell nevus and commonly as a mole) is a type of melanocytic tumor that contains nevus cells. Learn how we develop our content. This makes our skin … Appears in. It looks like your browser does not have JavaScript enabled. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Deep to the epidermis are the connective tissues of the dermis. Please try again. It is made of four or five layers of epithelial cells, depending on its location in the body. It is … The skin of an average adult has a total surface of about 1.8 square metres and a total weight of about 11 kilograms. , such as adipose and areolar connective tissue Print ; Please describe venules also pass through reticular... Brian O'Brien, MD - internal Medicine, Brian O'Brien, MD - internal Medicine, Brian O'Brien MD! Pressure from the deeper layers about 0.07 inches ( 2 mm ) thick cells emerging from the environment... 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