Dermis makes up a majority of the skin, is tough, and composed of mostly fibrous connective tissue. The integumentary system principles of biology openstax cnx. The diagnosis is stated as keratoacanthoma, possible squamous cell carcinoma scc. The integumentary system guaranteed to last a lifetime chapter 5. Functions of the skin skin is a barrier to microbes, chemical irritants, water loss. When i have been looking everywhere not met, but in this blog i have finally. The dermis overlies and attaches to the subcutaneous subq layer.
Learn vocabulary, terms, and more with flashcards, games, and other study tools. Locate and identify the three major regions of skin. Chapter 5 integumentary system functions of the integumentary system i. Petite protection rhinos regulation of body temperature cant cutaneous sensation mimic metabolic function big blood reservoir elephants excretion protection the i. The organs of the integumentary system include the skin and its accessory structures including hair, nails, and glands, as well as blood vessels, muscles and nerves. Anatomy and physiology chapter 5 integumentary system test. The skin the skin covers the entire body, and is composed of 2 regions. Similar to the hair, nails grow continuously throughout our lives. Top layer squamous only is flattened, nonactive cells, filled with keratin. Describe the changes that occur in the integumentary system during the aging process discuss several common diseases, disorders, and injuries that affect the integumentary system explain treatments for some common diseases, disorders, and injuries of the integumentary system chapter 5 the integumentary system 175.
Sebum or oil from the sebaceous glands is slightly acidic, retarding bacterial colonization on the skin surface. The organs of the integumentary system include the skin and its accessory structures including hair, nails, and glands, as well as blood vessels, muscles and nerves dermatology is the medical specialty for the diagnosis and treatment of disorders of the integumentary system. Albinism recessive genetic trait that causes a deficiency or absence of melanin 3. The principal parts of the skin are the superficial epidermis and deeper dermis. Integumentary system the integument or skin of a fish is the envelope for the body that separates and protects the animal from. A localized collection of pus in any part of the body. Seeleys anatomy and physiology chapter 5 integumentary system. Epidermis composed of epithelial cells and is the outermost protective shield of the body. In fact, the skin and accessory structures are the largest organ system in the human body. Chapter 5 the integumentary system 37 detaching from the dermis. Epidermis is composed of stratified squamous and columnar epithelial cells. Introduction integumentary system consists of the skin and accessory organs.
Name key period study guide for test on the integumentary. The integumentary system introduction organs of the integumentary system include skin accessory structures hair. Chapter 5 integumentary system flashcards easy notecards. Integumentary system test questions and answers pdf. Chapter 06 lecture outline palm beach state college. Among these changes are reductions in cell division, metabolic activity, blood circulation, hormonal levels, and muscle strength figure 5. Aging and the integumentary system all systems in the body accumulate subtle and some notsosubtle changes as a person ages. As such, the skin protects your inner organs and it is in need of daily care and protection to maintain its health. The scc is considered possible and therefore not coded. Displaying all worksheets related to chapter 5 integumentary system. Dermatology is the medical specialty for the diagnosis and treatment of disorders of the integumentary system. Skin the skin and hairs and other structures such as nails constitute the integumentary system.
Sebum oily, white, fatty substance produced by the sebaceous glands 2. Epidermis outermost superficial region dermis middle region hypodermis superficial fascia deepest region. Bottom mitosis every 19 days 1 surfaces 4056 days later. Outer portion of the skin is exposed to the external environment and functions in protection. They are most abundant in areas of high frictionthe fingertips and the bottom of the feet. In the adult human body, the skin makes up about 16 percent of body weight and covers an area of 1. Integumentary system includes the skin and its accessory structures including hair, nails, and glands, as well as blood vessels, muscles and nerves dermatology is the medical specialty for the diagnosis and treatment of disorders of the integumentary system. Epidermal cells include keratinocytes, melanocytes, langerhans cells, and tactile cells. Local homeostasis in integumentary system does not involve brain therefore called local.
The nail is an accessory structure of the integumentary system. Chapter 5 integumentary system free download as powerpoint presentation. The most obvious function of the integumentary system is the protection that the skin gives to underlying tissues. Sweat from the sudoriferous glands is slightly hypertonic and can flush off most bacteria on the skin surface. Uv, bacteriaregulates body temperatureretards water lossholds sensory receptors heat, touch,makes biochemicalsexcretes wastes. Teaching tools alterations in pigmentation are usually due to differences in melanocyte activity, not in melanocyte number. A scraping or rubbing away of skin or mucous membrane as a result of friction to the area. Subcutaneous layer hypodermis 1layer loose connective tissue, mostly adipose functions of skin. Integumentary system mount carmel area school district. Chapter 5 the integumentary system free download as word doc. The integumentary system the integumentary system consists of the skin, hair, nails, the subcutaneous tissue below the skin, and assorted glands. Learn chapter 5 the integumentary system with free interactive flashcards. Name the layers of the epidermis and describe the characteristics of each filename.
The skin not only keeps most harmful substances out, but also prevents the loss of fluids. Blood vessels muscles nerves functions of the integumentary system protection maintains the bodys integrity thermoregulation converts inactive vitamin d to its active form provides sensory information excretion and. Page 1 of 19 biol 105 s 2011 ch 5 practice midterm exam 2 110429. Synovial cutaneous what we will study in this chapter. Chapter 5 integumentary system skin integumentary system. Chapter 5 the integumentary system epidermis skin scribd. Chapter 5 the integumentary system flashcards quizlet. Chapter 5 integumentary system skin integument introduction. The integumentary system chapter 6 skin functions skin layers skin color hair nails cutaneous glands burns. The integumentary system consists of the skin, hair, nails, the subcutaneous tissue below the skin,and assorted glands.
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