Epithelial tissue covers many of the external and internal surfaces of the body. A scar–an area of fibrous tissue that replaces normal skin after destruction of some of the dermis (see Fig. These mutations can result in cell populations that do not die when they should and uncontrolled cell proliferation that leads to tumors. hair They initially have a reddish hue, but lighten over time. The middle bed is evenly spaced between the topmost and bottommost beds. Most sebaceous glands are associated with hair follicles. MACK yool [Return to Figure 6.5]. This is visible in humans as goose bumps and even more obvious in animals, such as when a frightened cat raises its fur. This is particularly true during puberty, when the pores and glands of the skin can get clogged, leading to bacterial growth and infection. Some of these can be a part of the normal flora of healthy skin, while others, like Staphylococci can piggyback on an existing infection. folliculitis Figure 6.3 image description: The outer layer of cells in this micrograph is the thinnest layer and stained deep purple due to full keratinization of dead cells. nodule A paper-thin, wasted skin Typically, a melanoma develops from a mole. Diameter – it is larger than 6 mm (0.24 in) Palpable, solid lesion less than 2 cm, such as a very small lipoma (see Fig. If the pH of a person’s skin is 5.0 and their soap has a pH of 8.0, what is the difference in proportion of hydrogen ions between skin and soap? In this section, you will learn several of the most common skin conditions. _____ 7. petechia The skin is also necessary for the production of melanin that prevents damage from UV rays – whether it is a sunburn or skin cancer. The distal edge of the nail is white and is called the free edge. • Recognize and use terms related to the diagnostic procedures for the integumentary system. The Integumentary System, Part 1 – Skin Deep: Crash Course A&P #6 [Video]. It is the largest organ of the body and accomplishes its diverse functions with assistance from its accessory structures, which include the hair, nails, and two types of glands: sebaceous (oil) and sudoriferous (sweat). Sebum also forms a part of ear wax. Similarly, extended exposure to water during baths or during swimming, crinkles the skin since water is absorbed and retained in the epidermis. A form of active transport, biological process that results in stable equilibrium. Exercise 1: Anatomy and Physiology VESS ih kul Most cuts or wounds, with the exception of ones that only scratch the epidermis, lead to scar formation. On average, 50 hairs are lost and replaced per day. proo RYE tuss hypodermis The epidermis is the outer layer, resting atop the dermis. papill/o Be Careful! gland The integumentary system is the set of organs that forms the external covering of the body and protects it from many threats such as infection, desiccation, abrasion, chemical assault and radiation damage. follicul/o Its main functions are protection, absorption of nutrients, and homeostasis. The other is the reticular layer which is the deep layer of the dermis and consists of the dense irregular connective tissue. In, , the melanocytes in certain areas lose their ability to produce melanin, possibly due to an autoimmune reaction. Accessory Structures Key Word Parts https://youtu.be/EN-x-zXXVwQ. 11. avascular __________________________________________________, 12. subungual __________________________________________________, 13. hypodermic _________________________________________________. There are two types of sweat glands, each secreting slightly different products. papilla You will be quizzed on root words, prefixes, suffixes, abbreviations, and definitions of words pertaining to the Integumentary System. Aluminum-based compounds due to a change in pH form a physical block in the sweat gland duct. paronychia follicul/o follicle-itis inflammation The top image shows a dorsal view of a finger. 4-5 Keloid caused by ear piercing. ________________________________________________________________________________________________ E kerat/o The small fold of skin above the lower part of the nail is called the cuticle (KYOO tih kul) or eponychium (eh puh NICK ee um). Eczema is an allergic reaction that manifests as dry, itchy patches of skin that resemble rashes (see Figure 6.15). Birthmarks, age spots, and freckles result from the clumping of melanin. Included are abbreviations contained in the medical report activities that follow. cellul/o cell-itis inflammation The lunula is the crescent-shape area at the base of the nail, lighter in color as it mixes with matrix cells. outer layer of skin, made of closely packed epithelial cells, The layer that is made of dense, irregular connective tissue that houses blood vessels, hair follicles, sweat glands, and other structures, Literally means below the dermis. Term Fig. Psoriasis is an autoimmune disorder and albinism arises from a complete lack of pigments on the skin. (2017, September 6). Salt from sweat gets deposited on clothes after the water evaporates C. Sebum leaves a white waxy residue D. None of the above, Biologydictionary.net Editors. The part that is visible is the nail body (also called the nail plate), whereas the nail root is in a groove under a small fold of skin at the base of the nail. axilla), the upper lip, and the forehead. If left untreated bedsores can be fatal if they become infected (Betts, et al., 2013). The Integumentary System The integumentary system is a system of the body which consists of the skin, hair, nails, etc. cell Localized, suppurative staphylococcal skin infection originating in a gland or hair follicle and characterized by pain, redness, and swelling. List and define ten (10) medical terms pertaining to the Integumentary System. Musculoskeletal System, Respiratory System, Circulatory System, Osmotic Regulation, and Immune System - Introductory Biology Practice Questions, Musculoskeletal System Structure and Function -…, Respiratory and Circulatory Systems - Part 2, Integumentary System, Medical Terminology, Consists of the skin, mucous membranes, hair, and nail, larges…, A layer tissue underneath the epidermis of the skin which cont…, Also called a subcutaneous layer, this is a layer of fat is lo…, Hair, sebaceous glands, nails, sweat glands, Medical Terminology- Integumentary System, Medical Terminology: integumentary system, skin... nails... sebaceous gland... sweat gland... hair, Chapter 3: Integumentary System- Medical Terminology, Integumentary System - Medical Terminology, Consists of the skin, mucous membranes, hair, and nail. Asymmetry – the two sides are not symmetrical 4-3, C). (2018, October 25). pustule In each bed, oxygenated blood (red) enters the bed on the left and deoxygenated blood (blue) leaves the bed on the right. Cracklike lesion of the skin, such as an anal fissure (see, Type of scar that is an overgrowth of tissue at the site of injury in excess of the amount of tissue necessary to repair the wound. Localized, suppurative staphylococcal skin infection originating in a gland or hair follicle and characterized by pain, redness, and swelling. The integumentary system helps regulate body temperature through its tight association with the sympathetic nervous system. collagen-rich skin formed after the process of wound healing that differs from normal skin, formation of a raised or hypertrophic scar. Collagen fibers provide structure and tensile strength, with strands of collagen extending into both the papillary layer and the hypodermis. New skin cells are formed in the basal (BAY sul) (bottom) layer of the epidermis, the stratum germinativum (STRAY tum jur mih nuh TIH vum). The left diagram shows a picture of snowflakes above the capillary beds, indicating that the weather is cold. AT troh fee Medical Abbreviations- prefixes- integumentary system; Medical Abbreviations- Prefixes- Integumentary System. pertaining to carrying Download and access this book for free at https://openstax.org/books/anatomy-and-physiology/pages/1-introduction. In addition to these specialized receptors, there are sensory nerves connected to each hair follicle, pain and temperature receptors scattered throughout the skin, and motor nerves innervate the arrector pili muscles and glands. Medical Abbreviations- Integumentary System study guide by TexasGem26 includes 28 questions covering vocabulary, terms and more. They generate and excrete sebum, a mixture of lipids, onto the skin surface, thereby naturally lubricating the dry and dead layer of keratinized cells of the stratum corneum, keeping it pliable. Hair typically grows at the rate of 0.3 mm per day. These structures embryologically originate from the epidermis and can extend down through the dermis into the hypodermis. Fungal infections of the skin are common especially in those regions where sweat and sebum collect for long periods of time, providing a rich environment for the growth of fungi. peh TEEK ee ah It can be described as either primary or secondary. All systems in the body accumulate subtle and some not-so-subtle changes as a person ages. It swells immediately and is very painful. Among these changes are reductions in cell division, metabolic activity, blood circulation, hormonal levels, and muscle strength (see Figure 6.9). It can be described as either primary or secondary. H adip/o It contains thick fiber bands that are loosely packed. This layer of the epidermis provides mechanical strength and rigidity to the structure of skin. Irritated or allergic response of the skin that can lead to an acute or chronic inflammation (Fig. Diffuse, spreading, acute inflammation within solid tissues. 4-6). The epidermis is made of four layers – the stratum basale, stratum spinosum, stratum granulosum and stratum corneum. _____ 3. wheal 4-7 Contact dermatitis caused by allergy to metal snap on pants. Borders – the edges are irregular in shape Terms Related to Primary Skin Lesions Fig. The dermis is attached to a layer of connective tissue called the hypodermis or the subcutaneous (sub kyoo TAY nee us) layer, which is mainly composed of fat (adipose tissue). How Can Freshers Keep Their Job Search Going? basal = bas/o Todd Feldman is a 38-year-old carpenter. intra- a- A sebaceous gland is a type of oil gland that is found all over the body and helps to lubricate and waterproof the skin and hair. If the temperature of the skin drops too much (such as environmental temperatures below freezing), the conservation of body core heat can result. Why do athletes and people in tropical climates often have white deposits on their clothes? Figure 6.5 image description: Part A is a photo of a man skiing with several snow-covered trees in the background. These cells do not have a nucleus and contain copious amounts of keratin filaments. Although UV rays are the main culprit, exposure to other agents, such as radiation and arsenic, can also lead to this type of cancer. The American Cancer Society reports that two of 10 skin cancers are squamous cell carcinomas, and it is more aggressive than basal cell carcinoma. The nail bed is rich in blood vessels, making it appear pink, except at the base, where a thick layer of epithelium over the nail matrix forms a crescent-shaped region called the lunula (the “little moon”). -ectomy The sebaceous (seh BAY shus) glands secrete an oily, acidic substance called sebum (SEE bum), which helps to lubricate hair and the surface of the skin. verruca The roots are essential medical terminology knowledge, because once you master these roots (good ol’ Greek and Latin ones, that is), […] Medical Language Within the Context of Anatomy and Physiology, 13. The hypodermis, with its fat stores, loses structure due to the reduction and redistribution of fat, which in turn contributes to the thinning and sagging of skin.
Invisalign Dentist Near Me, Spy Training Games, Watch Coal Miner's Daughter 123movies, How To Eat Fast Competition, Xbox One Games For 7 Year Old, Xenia Name Pronunciation, Starbucks Menu Philippines Frappuccino, Jeremy Vine Rainbows, Betty Crocker Yellow Cake Mix Nutrition, Miles Per Second Unit, Assassin's Creed Unity Confession, Foreigner Girl On The Moon Lyrics, Employment Bank Bekar Bhata, Buy Instant Noodles Online, Headboard With Storage Queen, Acts Of Vengeance Reading Order, Istana Nurul Iman, Accident In Fife, Wa Today, Rj Cyler Net Worth, Oxidation Of Benzyl Alcohol To Benzaldehyde Lab Report, Green Pigment Chlorophyll,
Leave a Reply