Term
| the integument system is the ___ and most extensive composed of all 4 tissue types, skin and related structures: ___, hooves, horns, ____, skin related glands |
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Definition
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Term
| integument functions: prevent ____, reduces ___ of injury, assists in ___ normal body temperature, Excretes ___, ___ and organic wastes, receives and conveys ___ information, synthesizes vitamin ___, stores ____ |
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Definition
| dessication, threat, maintaining, water, salts, sensory, D, nutrients |
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Term
| the epidermis is the outer ___ ___ shield, and is _____ |
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Definition
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Term
| the dermis is composed of ___ ___ fibers, and blood vessels |
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Definition
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Term
| the hypodermis is composed of ___ tissue, and the SQ layer |
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Definition
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Term
| cells of the epidermis: ____: produces keratin, the tough, fibrous, waterproof protein that given skin its resiliency and strength |
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Definition
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Term
| cells of the epidermis: ____:produce melanin pigment |
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Definition
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Term
| cells of the epidermis: ____:phagocytize microinvaders; macrophage specific to epidermis |
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Definition
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Term
| cells of the epidermis: ____:aid in the sensation of touch |
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Definition
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Term
| stratus corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum germinativum (basale) |
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Definition
| layers of the epidermis superficial to deep |
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Term
| deepest layer of epidermis, consists of a single row of keratinocytes attached to epithelial basement membrane , merkel cells, melanocytes, keratocytes found here |
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Definition
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Term
| layers of the epidermis: ___ ___ (Spiny layer), contains several layers of cells held together by desmosomes, Langerhans cells found in this layer |
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Definition
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Term
| layers of the epidermis: ___ ___ : composed of two to four layers of flattened, diamond shaped keratocytes that contain lamellated granules of glycolipids, these glycolipids play a role in helping waterproof the skin and slowing water loss across the epidermis |
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Definition
| stratum granulosum, granular, middle layer |
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Term
| layers of the epidermis: ___ ___ : only found in very thick skin, composed of a few rows of flattened dead cells, contents of the keratogranules combine with intracellular tonofilaments to form keratin fibers |
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Definition
| stratum lucidum (clear layer) |
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Term
| layers of the epidermis: ___ ___ : composed of 20 to 30 rows of keratocyte, remnants called horny or cornified cells also known as dandruff |
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Definition
| stratum corneum, horny, outermost layer |
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Term
| ___ skin usually consists of three epidermal layers rather than five, stratum basale, stratum spinosum, stratum corneum, the surface of this skin is covered in scale like folds, ___ ___ - a knob like elevation can be seen periodically, usually associated with a tactile hair, tylotrich hairs, important in the perception of touch |
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Definition
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Term
| skin cancer, ___ ___ ___ - spreads rapidly ulcerated lesions, east away at tissue. ___ ___ - abnormal genetic programming of the melanocyte, gray horse, nodules that can start to ulcerate. ___ ___ ___ - do not spread but do reoccur once removed |
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Definition
| squamous cell carcinoma, malignant melanoma, basal cell tumor |
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Term
| the dermis is composed of __ __ __ tissue, collagen, elastic and reticular fibers, also includes __ __, nerve endings, glands, smooth muscle, blood vessels and lymphatics, ___, ___ ___ also present, 2 layers, papillary layer and reticular layer |
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Definition
| dense irregular connective, hair follicles, fibroblasts, adipocytes and macrophages |
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Term
| the ___ ___ is underneath the epithelial layer of the epidermis, composed of ___ connective tissue with loosely woven fibers and ground substance, the ___ ___ help cement the epidermis and the dermis together, blood vessels, pain and temperature and touch receptors also present, ___ ___ are the main and touch receptors |
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Definition
| papillary layer, loose, dermal papillae, Meissner's corpuscles |
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Term
| 2nd layer of the dermis is the ___ ___, consists of ______ _____connective tissue (80% of the dermis), bundles of collagen fibers from the papillary layer blend into those of reticular layer, most fibrous bundles tend to run parallel to each other, separations between bundles represent tension lines in skin, in area where a great deal of bending occurs, dermal folds or flexure lines are present |
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Definition
| reticular layer, dense irregular |
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Term
| 3rd layer of the integument is the ___ composed of areolar tissue containing adipose, blood, and lymphatic vessels and nerves, the ____ ___ is a special touch receptor (sensitive to heavier pressure than Meissner's corpuscle found in the dermis), fibers of ____ are continuous with those of the dermis, the ___ ___ permits skin to moved freely over underlying bone and muscle without putting tension on skin |
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Definition
| hypodermis, pacinian corpuscle, hypodermis, hypodermal layer |
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