The specific orientation of ____ fiber bundles in the dermis is a result of the direction of applied ____ during routine movements. EPIDERMIS relative strength. The most numerous and widely distributed sweat glands in the body are _____. Keratinized ? It is at its thinnest on the eyelids,   measuring just half a millimeter, and at its thickest on the palms and soles at 1.5 millimeters. ... larger than eccrine glands and deeper in the dermis. Keratinocytes of the epidermis are usually present for about ____ weeks. eboamah31. what caused apocrine sweat to be viscous and milky. DERMIS presence of blood vessels. Layers of the Epidermis(from deepest to most superficial layer) 1. The stratum basale (also called the stratum germinativum) is the deepest epidermal layer and attaches the epidermis to the basal lamina, below which lie the layers of the dermis.The cells in the stratum basale bond to the dermis via intertwining collagen fibers, referred to as the basement membrane. The skin is made up of two distinct layers, the ______ and the ______. Figure 5.1.4 – Layers of the Epidermis: The epidermis of thick skin has five layers: stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum. Because skin can absorb certain chemicals and block others, it is described as ____ permeable. Ceruminous glands are modified sweat glands located only in the _____. ... OTHER QUIZLET SETS. Quiz: The Epidermis Previous The Epidermis. first degree( epidermis)- redness, pain, slight edema, caused by sunburn or brief exposure to cold or hot objects; Heal within a week or without scarring. Some integumentary system components are not repaired following damage; these include ______ follicles, _____ glands, ______ cells, and muscle fibers. Dermal papillae increase the strength of the connection between the epidermis and dermis; the greater the folding, the stronger the connections made. Nails are derived from the same type of cells that produce the stratum _____ layer of the epidermis. Stratum corneum is composed of dead cell parts and a tough, waterproof protein called ? The stratum basale (also called the stratum germinativum) is the deepest epidermal layer and attaches the epidermis to the basal lamina, below which lie the layers of the dermis. The major functions of merocrine sweat glands are _____. The dermis is basically composed of connective tissues and contains skin appendages. Scattered among the cells of the stratum basale are cells that are sensitive to touch. Quiz: What is Anatomy and Physiology? Friction ridges are used as forensic tools because they can leave noticeable prints on touched surfaces, commonly called ______. As basal cells undergo mitosis, new keratinocytes are formed and move into the more superficial layers of the epidermis. The substances that make sweat feel gritty are water _____ and ______. Acad. T/F The palms of the hands have more hair than the soles of the feet. When you sense coild air around you, bumps may appear on the skin. The vascular connective tissue that initially forms in a healing wound is called _____. 59 terms. tissue. ____ lubricates the epidermis and hair and helps make the integument water resistant. Skin Human skin, the largest organ of the body, is composed of different layers each serving a different function. During the process of keratinization, the ____ and organelles of the cell disintegrate and the cells start to die. The most superficial layer of the epidermis is the______. In addition, the skin has a pH-gradient through the epidermis, changing from acidic values on upper layer of the epidermis to a near-neutral pH of around ph7.4 in viable epidermis. Function: Is responsible for the structural strength and flexibility of the skin; the epidermis exchanges gases, nutrients, and waste products with blood vessels in the dermis. The epidermis is the outermost layer of the skin. The _____ layer is not part of the integumentary system. There are three main variations in the epidermis. The cells of hair follicle's walls are organized into two principal concentric layers: an outer ____ tissue root sheath and an inner ____ tissue root sheath. T/F The amount of melanin in the skin is determined by both heredity and light exposure. When ____ binds oxygen, it exhibits a bright red color, giving blood vessels in the dermis a reddish tint that is most easily observed in the skin of lightly pigmented individuals. After induction of anesthesia, abdom- inal hair was removed by treatment with Nair (Carter- Wallace, New York), and the exposed skin was sterilized with povidone-iodine andrinsed with 70%ethanol. The epidermis of thick skin ranges between _____ millimeters thick. In anatomy, a single hair is also called a(n) ______. The two distinct layers of the integument consists of a layer of stratified squamous epithelium called the ____ and a deeper layer of areolar and dense irregular connective tissue called the ____. _____ skin contains the following accessories: nails, hair follicles, sweat glands, and sebaceous glands. Or second degree- damage to the epidermis and dermis but not the underlying tissue; redness, pain, edema, blistering with healing that can take at least two weeks without scarring. deepest layer of epidermis has a single row of stem cells that are actively miotic and produce 2 daughter cells ... strength and resiliency binds water. 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. On many parts of the body, the components of the dermis include blood vessels, _____ glands, _______ glands, hair follicles, nail roots, sensory nerve endings, and smooth muscle tissue. Dermis and epidermis are basically protective outer layers of the body. USA90(1993) (10-15 mg/kg, i.m.). When you have your hair cut, the portion of the hair trimmed is called the ? The epidermis does not consist of nerves whereas the dermis contains nerve impulses which pass through the brain. Waterproof protective covering composed of sebum and sloughed off cells, Layer of embryonic cells that develops into the dermis, Layer of cells covering the developing embryonic epithelium. How many layers of keratinocytes comprise the stratum granulosum? thick skin (palms of hands and soles of feet). Sci. Skin is classified as either thick or thin based on two parameters; the number of epidermal _____ in the epidermis and the relative ____ of the epidermis, rather than the thickness of the entire integument. The dermis has two regions: the Papillary Dermis and; the Reticular Dermis. These variations are _____, colorations, and skin markings. A stem cell divides in the stratum basale, the resulting daughter cell enters the stratum ______ and it begins to lose its ability to divide. The is caused by the contraction of the ? is the epidermal stratum in which one could find many phases of mitosis, Cells are pushed into stratum ? They begin from cells in the most profound layer of the epidermis … -Tensile strength of bone decreases ... dermis, epidermis. Second-degree burns involve the _____ and part of the ______. The type of sweat gland (of the two discussed in this exercise) most likely to produce pheromones is ? Composed of the epidermis and dermis Pliable, yet durable Thickness: 1.5 to 6.0 mm Types of Skin Thin - 1-2 mm on most of the body and 0.5 mm in eyelids Hairy Covers all parts of the body except palms of hands and soles of feet Thin epidermis and lacks stratum lucidum Lacks dermal papillae The basement membrane zone is the communication channel between epidermis and dermis. from stratum basale, When you sense cold air around you, nerve endings in the ? A) the epidermis of the skin has a rich supply of small blood vessels. The vast majority of the cells in the epidermis are keratinocytes. Immune cells found in the epidermis are called _____ cells. The epidermis is made of keratinocytes, melanocytes, Langerhans cells, and Merkels cells. Sebaceous glands are classified as ____ glands that discharge an oily, waxy secretion called ______. … region of the dermis. As a result of the aging process, hair follicles can actually _____ production of hairs. are probably involved. The epidermis is divided into 5 sub-layers, that have different functions. Strat… Papillary layer Structure:Papillae project toward th epidermis; loose connective tissue. In the dermis of the skin, _____ fibers impart tensile strength while ____ fibers allow some stretch. The dermis connects the epidermis to the hypodermis, and provides strength and elasticity due to the presence of collagen and elastin fibers. - conical ridges in the dermis passing into the spaces between the projecting ridges of the epidermis - boundary between epidermis and dermis is usually uneven - increase the surface area where epidermal cells receive oxygen and nutrients from dermal capillaries - undulations form fingerprints - form during fetal existence from fetal movements Abdom-inal muscleanddermis targets wereexposed s.c. by making a 3-cm-long incision in the abdomen. Cavernous hemangiomas, sometimes called ____ stains, involve large dermal _____ and may last a lifetime.

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