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- 1Integumentary System-hair
-nails
-glands
-blood vessels
-muscles
-nerves - 2Integumentary system functions-Maintains the body's integreity
-maintains temperature
-converts inactive vitamin D to its active form.
-Provides sensory information
Maintains homeostasis - 3Skin has (3) major layers-Outer is called the epidermis
-Inner is called dermis
-Subcutaneous layer (hypodermis) is located underneath the dermis - 4Structures of the Skin (diagram)(image)
- 5... are doctors who treat disorders of all layers of the integumentary systemdermatologist
- 6Images of layers of skins(images)
- 7Epidermis contains (4) type of cells1) Keratinocytes
2) Melanocytes
3) Intraepidermal macrophages
4) Tactile epithelial cells - 8What does a kertinocyte look like?Image
- 9What does melanin granule look like?(image)
- 10What does a intrapidermal macrophage look like?(image)
- 11What does a tactile epithelial cell look like?(image)
- 12..produce keratin - a tough fibrous protein that proves protection.kertinocytes
- 13..produce the pigment melaninMalnocytes
- 14.. are involved in the immune responses.Intrapidermal macrophages
- 15..function in the sensation of touchTactile epithelial cells
- 16... is composed of four layers in thin skin, and five layers in thick skin.epidermis
- 17From deep to superficial1) stratus basale
2_stratum spinosum
3) stratum ganulosum
4) stratum lucidum
5) stratum corneum - 18The epidermis(diagram)
- 19Epidermis types of skin:1)Thin (hairy) skin covers all body region except the palms, palmar surfaces of digits, and soles.
2) Thick (hairless) skin covers the palms, palmar surfaces of digits, and soles. - 20..is produced by melanocytes in the stratum basaleMalanin (skin pigments)
DIAGRAM - 21..is congenital disorder charracterized by the complete or partial absence of pigment in the skin, hair, and eyes due to a defect of an enzyme involved in the production of melaninAlbinism (skin pigments)
- 22..is a chronic disorder that causes depigmentation patches in the skin. The precise cause, is not known, but is most likely a combination of genetic factors coupled with a disorder of the immune system ((auto immune disease)Vitilligo
- 23.. is composed of connective tissue containing collagen and elastic fibers. It contains two regions: 1).. lies below the epidermis 2).. consists of dense irregular connective tissueDermis.
1)papillary region
2)reticular region - 24.. is also called the hypodermis, and it attatches the skin to the underlying tissues and organs.subcutaneous layer (image)
- 25..contains different type of sensory receptors found in different layeyers. 1).. type 1 cutaneous mechanoreceptors, free nerve endings, corpuscles of touch and hair root plexuses. 2) .. lamellated corpusclesSKIN
1) superficially
2) deep - 26Sensory Receptors (diagram)Diagram
- 27Accessory Structures of the Skin(Diagram)
- 28parts of the hair include:1) shaft (above the skin surfaces)
2) the follicle (below the level of the skin)
3)Root that penetrate into the dermis that includes:
-epithelial root sheath
-a dermal root sheath
(DIAGRAM) - 29HAIR (DIAGRAM)(IMAGE)
- 30HAIR DIAGRAM (MORE)(IMAGE)
- 31... contains 4 types of glands 1)..are connected to the hair follicles. 2) .. are the most numerous 3).. are located mainly in hairy skin 4).. are modified sweat glands located in the ear canalskin
1)sebaceous (oil) glands
2) Eccrine sweat glands
3) Aprocrine sweat glands
4) Ceruminous glands - 32.. are made of kertinized epidermal cells. it includes:NAILS.
-free edge
-transparent nail body (plate) with a whitish lunula at its base.
-Nail root embedded in a fold or skin
(IMAGE) - 33NAILS (DIAGRAM)(IMAGE)
- 34.. kinds of wound healing procces can occur, depending on the depth of the injury.TWO
1)Epidermal wound healing
2)Deep wound healing - 35... occurs following superficial wounds the affect only the epidermisEpidermal wound healing
- 36occurs when an injury extends to the dermis and subcutaneous layerdeep wound healing
- 37.. develops from the ectoderm. What the derivates?Epidermis
1)Nails, hair, and skin
(IMAGE) - 38.. develops from the mesoderm.Dermis
(IMAGE) - 39..changes with age. What are the (6) changes?integumentary system
1) wrinkles develop
2) Dehydration and cracking occurs
3) Sweat production decreaes
4) A decrease in the numbers of functional melanocytes results in gray hair and atypical skin pigmentation
5) subcutaneous fat is lost, and there is a general decrease in skin thickness.
5) Nails become brittle - 40.. there is also an increased susceptibility to pressure ulcersWith age
- 41.. is the most common cause of skin cancer. The three major types are?ultraviolet light (sun/tanning salons)
1)basal cell carcinoma, squamos cell carcinoma, malignant melanoma. - 42.. is tissue damage caused by excessive heat, electricity, radioactivity, or corrosive chemicals that denature (break down) the proteins in the skin cells.burns
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- Fichas sobre Sin título, creado por jay kosi el 11/11/2019.
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