they produce the pigment melanin which range in color from yellow to brown to black. resident macrophage like cells whose function is to ingest antigenic invaders and present them to the immune system. This pigment is produced in membrane-lined granules and is transported through long processes that give the melanocytes their spidery appearance. Cells that synthesize melanin. Spider-shaped; Found in the deepest layer of the epidermis. A) collagen fibers accumulate through time and crowd out protective cells. the deepest layer which rest on the basement membrane. Study Human Anatomy and Physiology: Integumentary System flashcards. For students, a good way to test their understanding and knowledge about a particular subject and to prepare for exams i Every square centimeter contains: 70 cm of blood vessels 55 cm of nerves 100 sweat glands 15 oil glands 230 sensory receptors Slideshow 1070183 by isra The melanin then collects on the superficial side of the nucleus. 13) Melanocytes a) are spidery-shaped cells in contact with cells in the stratum basale b) Forms structures called melanosomes c) Produces a substance HYAM5,M.D., JOHN G.BATSAKfS,M.D. Play games, take quizzes, print and more with Easy Notecards. Chapter 5 Integumentary System Lecture 5a - Skin Structure On palms of the hands and soles of the feet, dermal papillae lie on top larger mounds called dermal ridges The epidermis that lies on the dermal ridges is called the epidermal ridges These epidermal ridges are genetically determined and unique to each of us These are our fingerprints! False True Question 2 1 / 1 Melanocytes are spider-shaped cells whose branches reach to the keratinocytes in the stratum basale. work their way up to the surface just like the keratinocytes Quickly memorize the terms, phrases and much more. Melanin is moved to ends of arms of cell and transferred tokeratinocytes. A functional approach to human anatomy Human Anatomy, the #1 best-selling A surface area of 1.5 - 2 square meters Weighs approximately 4-5 kg (9-11 lbs.) Despite its apparent durability, the dermis is subject to tearing. Spider-shaped; Found in the deepest layer of the epidermis. The Integumentary System. CAPTAIN, MC, USN (Ret.) and LESLIE MICHAELS, M.D. allow the hair to assist in touch sensation. ; Melanin accumulates in vesicles called melanosomes. The Skin. Although the integumet is a covering it is by no means simple , and some of its functions include _______. 1 Objectives • By the end of this lecture, students will be able to: - Describe the structure and function of skin and its appendages - Apply this knowledge in the understanding of skin diseases 2 Introduction • Integumentary system is composed of - Skin - Accessory structures • Hair • Nail • Glands • Receptors C. are involved with the nervous system. The skin of older persons is more easily damaged and slower to heal because. C) the epidermis thins as epidermal stem cells decline in number and activity. BB TUMORS of the UPPER RESPIRATORY I TRACT and EAR;® VINCENT J. Melanocytes are spider-shaped cells, also are present. Cram.com makes it easy to get the grade you want! The melanin produced in the melanocytes is passed through these branches to the keratinocytes where it is deposited. Quickly memorize the terms, phrases and much more. Every square centimeter contains: 70 cm of blood vessels 55 cm of nerves 100 sweat glands 15 oil glands 230 sensory receptors Slideshow 1070183 by isra The melanin then collects on the superficial side of the nucleus. These processes carry melanin to the keratinocytes where it settles on the superficial side of the keratinocytes. are spidery shaped cells in contact with cells in the stratum basale B.) 4. Cells of the Epidermis Keratinocytes • Produce keratin - Fibrous protein that helps give the epidermis its protective properties • Tightly connected to one another by desmosomes (cell junction composed of thickened plasma membranes joined by filaments) • Arise in the deepest part of the epidermis from a layer of cells (stratum basale) that undergo almost continuous mitosis - Cells . C) the epidermis thins as epidermal stem cells decline in number and activity. D. work their way up to the surface area just like the keratinocytes. Keratinocyte produce keratin and the cell push toward the surface of the skin as they undergo rapid cell division by mitosis. 1 Objectives • By the end of this lecture, students will be able to: - Describe the structure and function of skin and its appendages - Apply this knowledge in the understanding of skin diseases 2 Introduction • Integumentary system is composed of - Skin - Accessory structures • Hair • Nail • Glands • Receptors ; Melanocytes are moved along actin filaments by motor proteins to the ends of the melanocyte's processes and are then taken up by keratinocytes. Distinguished Scientist and Chairman Emeritus Otolaryngology . 4. THE INTEGUMENTARY SYSTEM Complex set of organs that includes the skin and its derivatives (sweat and oil glands, hairs, and nails) Includes: Nerves A) Basal cell carcinomas are the least common but most malignant. The Integumentary System. which of the following statements is true regarding these prints or ridges ; Melanocytes are moved along actin filaments by motor proteins to the ends of the melanocyte's processes and are then taken up by keratinocytes. The Skin. It's Stratum Basale because the three types of cells are Keratinocytes, Melanocytes, and Tactile or Merkel cells. B) epidermal dendritic cells proliferate, interfering with the immune response. Chapter 5. Melanin serves to protect cells from the harmful effects of UV radiation. Question 1 1 / 1 pts The most dangerous skin cancer is cancer of the melanocytes. III. C) Squamous cell carcinomas arise from the stratum corneum. A) collagen fibers accumulate through time and crowd out protective cells. How might a person know that the dermis has been stretched and/or torn? D. work their way up to the surface area just like the keratinocytes. The function of the root hair plexus is to ________. Cram.com makes it easy to get the grade you want! Learn vocabulary, terms, and more with flashcards, games, and other study tools. A. are spidery-shaped cells in contact with cells in the stratum basale. they produce the pigment melanin which range in color from yellow to brown to black. Play games, take quizzes, print and more with Easy Notecards. THE INTEGUMENTARY SYSTEM Complex set of organs that includes the skin and its derivatives (sweat and oil glands, hairs, and nails) Includes: Nerves Study Flashcards On A&P Lecture Exam 2.1 at Cram.com. Scribd es el sitio social de lectura y editoriales más grande del mundo. B) Most tumors that arise on the skin are malignant. 9780702068980, 9780702069819, 0702069817. Melanin is moved to ends of arms of cell and transferred tokeratinocytes. Stratum Basale or Germinativum Some 10-25% of the cells in the stratum Basale are melanocytes, and their branching processes extend among the surrounding cells, reaching well into the more . Study Human Anatomy and Physiology: Integumentary System flashcards. AFIP imhR TUMORS of the UPPER RESPIRATORY TRACT and EAR ATLAS OF TUMOR PATHOLOGY Second Series Fascicle 25 TUMORS OF THE UPPER RESPIRATORY TRACT AND EAR by VINCENT J. HYAMS, M.D. Name the factors that determine skin color and describe the function of melanin Melanin is a pigment, material that changes color when light is reflected or transmitted, that can ranges in color from yellow to brown to black. A. are spidery-shaped cells in contact with cells in the stratum basale. It is composed of a single layer of column-shaped keratinocyte. Name the factors that determine skin color and describe the function of melanin Melanin is a pigment, material that changes color when light is reflected or transmitted, that can ranges in color from yellow to brown to black. Start studying A&P Chapter 5. ; Gives the keratinocytes a pigment shield, they cluster over the nucleu of the keratinocytes on the side . B. are involved in the immune system. the design of a person's epidermal ridges is determined by the manner in which the papillae rest upon the dermal ridges to produce the specific pattern known as handprints, footprints and fingerprints. B. are involved in the immune system. . Chapter 5 Integumentary System Lecture 5a - Skin Structure Integumentary system • Includes the skin, sweat and oil glands, hairs, and nails • Major Function - protection • Accounts for about 7% of total body weight in the average adult - (9-11 pounds) Skin Structure Figure 5.1 Skin Structure • Two layers • 1. Keratinocyte produce keratin and the cell push toward the surface of the skin as they undergo rapid cell division by mitosis. Langerhans: Langerhans cells come from the bone marrow to become macrophages. THE INTEGUMENTARY SYSTEM • Complex set of organs that includes the skin and its derivatives (sweat and oil glands, hairs, and nails) - Includes: - Nerves - Blood vessels - Muscles • Major function: protection THE SKIN • Also called the integument, which simply means: covering • Epidermis: - The epidermis is a keratinized stratified squamous epithelium (epi=upon) - Outer . Chapter 5. A surface area of 1.5 - 2 square meters Weighs approximately 4-5 kg (9-11 lbs.) Human Anatomy, Global Edition: Marieb Human Anatomy 9 [9 ed.] ; Gives the keratinocytes a pigment shield, they cluster over the nucleu of the keratinocytes on the side . Melanocytes are spider-shaped cells, also are present. View Unit 2 Integumentary Quiz.docx from BIO 102 at Eastern Gateway Community College. Melanocytes are spider-shaped cells that produce the dark skin pigment known as melanin. Integumentary system. 1292314478, 9781292314471. Chapter 5 Integumentary System Lecture 5a - Skin Structure On palms of the hands and soles of the feet, dermal papillae lie on top larger mounds called dermal ridges The epidermis that lies on the dermal ridges is called the epidermal ridges These epidermal ridges are genetically determined and unique to each of us These are our fingerprints! Langerhans: Langerhans cells come from the bone marrow to become macrophages. Nutrients reach the surface of the skin (epidermis) through the process of: Integumentary system. A) Because the pain is acute due to a large number of Meissner's corpuscles. THE INTEGUMENTARY SYSTEM • Complex set of organs that includes the skin and its derivatives (sweat and oil glands, hairs, and nails) - Includes: - Nerves - Blood vessels - Muscles • Major function: protection THE SKIN • Also called the integument, which simply means: covering • Epidermis: - The epidermis is a keratinized stratified squamous epithelium (epi=upon) - Outer . Yosef Tadesse. Study Flashcards On A&P Lecture Exam 2.1 at Cram.com. Chapter 5 Integumentary System Lecture 5a - Skin Structure Integumentary system • Includes the skin, sweat and oil glands, hairs, and nails • Major Function - protection • Accounts for about 7% of total body weight in the average adult - (9-11 pounds) Skin Structure Figure 5.1 Skin Structure • Two layers • 1. Epidermis as a whole.Nope. ; Melanin accumulates in vesicles called melanosomes. Melanocytes: Melanocytes are spider-shaped cells that make melanin in stratum basale. C. are involved with the nervous system. Scribd es el sitio social de lectura y editoriales más grande del mundo. A.) III. Chapter 5 The Integumentary System (TB) Select the most correct statement concerning skin cancer. B) epidermal dendritic cells proliferate, interfering with the immune response. MCQs for Essentials of Oral Histology and Embryology [1 ed.] Melanocytes: Melanocytes are spider-shaped cells that make melanin in stratum basale. 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