Some mutations in the ABCA12 gene prevent the cell from making any ABCA12 protein. A band of epidermis at the base and side of the nail plate is the _____. Sign up. Small, solid elevation of the skin (<1 cm). This single layer of cells is firmly attached to the basal lamina, which separates the epidermis from the loose connective tissue of the adjacent dermis. leukoderma: Areas of skin that lose their pigment and become white; vitiligo. This type of tissue is arranged in layers upon a basal membrane. Inflammatory skin disease with erythematous, papulovesicular lesions. … Present only in thick skin. Open sore on the skin or mucous membranes. Biology, 21.06.2019 19:00, corbinfisher. Q 157 . Quizlet Learn. a hard protein material found in the epidermis. middle layer of skin. The deepest epidermal layer is the stratum basale or stratum germinativum. Circumscribed collection of clear fluid (blister) Q 109 . subungual. Epidermis, Dermis, Subcutaneous ... protective protein substance that can cause tissue to become hard or horny) What is the dermis layer of the skin? Oily substance secreted by sebaceous glands. Flat lesion measuring less than 1 cm in diameter. Hard protein material found in the epidermis, hair, and nails. Injury to tissues caused by heat contact. a. The epidermis is the outer layer of the skin. Honor Code. Medical Terminology Chapter 16. dark pigment formed by cells called melanocytes; imparts color to skin and hair: Term. Within the epidermis, there are four major layers of cells (called keratinocytes) that provide the skin its structural supports, as well as one layer specific to the soles and palms. Major skin pigment; formed by melanocytes. Most of the cells of the epidermis produce _____, a tough, fibrous protein that makes the skin surface durable and prevents water loss asked Sep 22, 2015 in Health & Biomechanics by BlaqueBeauty Fill in the blank with the right word. Vertebrates Structure. Answers: 1 Get Other questions on the subject: Biology. As basal cells undergo mitosis, new keratinocytes are formed and move into the more superficial layers of the epidermis. This preview shows page 53 - 58 out of 173 pages.. 3. The type of epithelial tissue that lines the esophagus and forms the skin epidermis is the stratified squamous. They also keep Langerhans cells of the epidermis and lymphocytes of the dermis in place. A hard protein material found in epidermis, hair, and nails is _____. Larger dermal exocrine gland located int eh axilla and genital areas. Oil-secreting gland in the dermis that is associated with hair follicles. Innermost layer of the skin, containing fat tissue. Keratin has two main functions: to adhere cells to each other and to form a protective layer on the outside of the skin. The epidermis is tough because it is a dense layer of skin cells held together by keratin, which is a hard protein. coarse, long hair of eyebrows, scalp, axillary, and pubic regions, malignant tumor of the squamous epithelial cells in the epidermis, a layer of the epidermis that provides strength and flexibility to the skin, granulated protein found in the stratum granulosum, The process by which cells form fibrils of keratin and harden, Deeper layer of the dermis that supplies the skin with oxygen and nutrients, secrete chemical substances into ducts that lead either to other organs or out of the body, oily substance secreted by sebaceous glands. keratin. Explore answers and all related questions . The skin; composed of epidermal and dermal layers. The protein found in the epidermis that is responsible for toughening the skin. . ... Quizlet Live. Hard protein material found in the epidermis, hair, and nails. Which term describes a hard protein present in the cells of the epidermis, nails, and hair that's both waterproof and a barrier to pathogens and chemicals? Deepest region of epidermis; gives rise to all epidermal cells, Structural protein found in the skin and connective tissue, Band of epidermis at the base and sides of the nail plate. The skin and its accessory structures such as hair and nails. protein substance found in skin & connective tissue: hair: outgrowth of the skin composed of keratin: nail: outgrowth of the skin attached to the distal end of each finger & toe, composed of keratin: keratin: hard protein material found in the epidermis, hair, and nails: lesion: area of pathologically altered tissue (two types: primary & secondary) The area between where the epidermis and the dermis meet is characterized by a highly folded area so that the epidermis "fits" into the dermis. • Various Exocrine Glands (with ducts) formed in the epidermis include sweat, sebaceous, and mammary glands. Growth extending from the surface of mucous membrane. The small, involuntary muscle in the base of the hair follicle. Related questions. Solid, round or oval elevated lesion 1 cm or more in diameter. A hard protein material found in the epidermis: keratin: profuse sweating__ diaphoresis: Fungal infections of hands and feet __ dermamycosis: Burning sensation (pain) in skin: causalgia: oil-producing organs: sebaceous gland: Connective tissue protein: collagen: middle, connective tissue layer of skin: dermis: contains a dark pigment: melanocyte: A type of epithelial cell in the epidermis is a. squamous cell. Hypertrophied, thickened scar developing after trauma or surgical incision. Keratinocytes within the epidermis begin dividing in the bottom layer, pushing already formed cells into the upper layer. ChiGirl2012. Lunula . The epidermis is tough because it is a dense layer of skin cells held together by keratin, which is a hard protein. Chronic, recurrent dermatosis marked by itchy, scaly, red plaques covered by silvery gray scales. Most numerous sweat-producing exocrine gland in the skin. Keratin. Keratin is an important protein in the epidermis. keratosis: Excessive development of hard, keratinized tissue on the skin. The skin is permeable to organic solvents, such as acetone or turpentine, because they _____. Chapter 5 The Integumentary System (Mastering A&P) - Biology 103A. Death of tissue associated with loss of blood supply. Q 158 . The ABCA12 gene makes a protein that is essential for the normal development of skin cells. Innermost layer of the skin, containing fatty tissue. fibrous protein found in teh epidermis, hair, and nails that makes these structures hard and water-repellent; precursor is keratohyaline: Term. Start studying Anatomy. Bacterial inflammatory skin disease characterized by vesicles, pustules, and crusted-over lesions. Homologues of the IF protein have been noted in an invertebrate, the cephalochordate Branchiostoma.. Intermediate filaments are composed of a family of related proteins sharing common structural and sequence features. Mesenchyme is characterized morphologically by a prominent ground substance matrix containing a loose aggregate of reticular fibers and unspecialized mesenchymal stem cells. These cells contain keratohyaline granules, which contribute to the formation of keratin in the upper layers of the epidermis… The lowest layer of skin that is composed largely of fat and connective tissue that contains larger blood vessels and nerves. Lipocyte . melanin: Definition. Visible by LM. Explore answers and all related questions . pertaining to under a nail. Flat, scale-like cells composing the epidermis. Related questions. 20) Keratinocytes are an important epidermal cell because _____. A very thin transparent band of flattened, dead keratinocytes with indistinct boundaries. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The half-moon-shaped, whitish area at the base of a nail. stratum lucidum: Definition. Bryozoa (also known as the Polyzoa, Ectoprocta or commonly as moss animals) are a phylum of aquatic invertebrate animals, nearly all forming sedentary colonies. Q 107 . Community Guidelines. lipocyte: Fat cell. Collection of dried serum and cellular debris. Insect morphology is the study and description of the physical form of insects.The terminology used to describe insects is similar to that used for other arthropods due to their shared evolutionary history. A fat cell. Q 159 . Small collection of clear fluid; blister. xer/o means: dry. The half-moon-shaped, whitish area at the base of a nail. Flashcards. Keratin is an important protein in the epidermis. They are non-membrane bound complexes of tonofibrils and amorphous proteins that are rich in phosphorylated histidine and cystine. Hard protein material found in the epidermis, hair and nails. epithelial tissue: Definition. Chronic inflammatory disease of collagen in skin, joints, and internal organs. 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