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Chapter 5 The Integumentary System ( Skin & Hypodermis)
Skin
58
Anatomy
Undergraduate 2
02/25/2011

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Term
Skin
Definition
Epidermis & Dermis
Term
Epidermis
Definition
Superficial Layer
Term
Dermis
Definition
Deeper Layer
Term
Dermis - 2 Layers:
Definition
Papillary & Reticular
Term
Hypodermis
Definition
Fatty Layer that lies on dermis, not part of the intergumentary system
Term
Function of Skin
Definition
Protects, Body Temp., Mini Excretory, Vitamin D, Sensory Receptors
Term
4 Cells in Skin
Definition
Keratinocytes, Melanocytes, Merkel, Langerhuns'
Term
Thin Skin 4 Layers - Stratum :
Definition
Basale, Spinosum, Granulosum,Corneum
Term
Think Skin 5 Layers - Stratum :
Definition
Basale, Spinosum, Granulosum,Lucidum,Corneum
Term
Keratinocytes Cell
Definition
Produce fibrous protein keratin, mitosis, poduce antibodies & enzymes
Term
Melanocytes Cell
Definition
Produce Melanin - Protect nuclei from UV damage
Term
Langerhans' Cell
Definition
Kill Bateria, Help Activate the Immune
Term
Merkel Cell
Definition
Sensory Nerve
Term
Layers of Epidermis contain living cells
Definition
Basale, Spinosum, Granulosum
Term
Layers of Epidermis contain death cells / death skin
Definition
Lucidum & Corneum
Term
Striatum Basale
Definition
(Basal Layer)- Youngest Keratinocytes, Make New Cells
Term
Basal Layer Contain 2 Cells:
Definition
Melanocytes (Protect UV Damage) & Merkel (Sensory)
Term
Stratum Spinosum
Definition
(Prickly Layer) - Intermediate Filament, Make more cells & Kill bateria
Term
Prickly Layer contain 2 cells:
Definition
Melanin Granules (Protect from UV Damage), Langerhans' (Kill Bateria)
Term
Stratum Granulosum
Definition
(Granular Layer)- Change in Keratinocytes appearance Occur ( Flatten)
Term
Granular Layer contain 2 Granules:
Definition
Keratohyaline (Help form keratin), Lamellated Granules (water proofing glycolipids)
Term
Stratum Lucidum
Definition
(Clear Layer)= Transition Zone
Term
Stratum Corneum
Definition
(Horny Layer)- Keratinized cells, glycolipid (Block Water) between cells
Term
Dermis - Cell type include:
Definition
Fibroblasts, Macrophages, occasionally mast(immune) cell & white blood cell
Term
Papillary Layer Contain Tissue:
Definition
Loose Areolar Conncetive Tissue:
Collagen & elastic
Term
Papillary Layer
Definition
Superficial Layer of Dermis
Term
Papillary Layer - Superior Surface Contain:
Definition
Dermal Papillae (Peg-like Projections)
Term
Dermal Papillae Contain:
Definition
Loops & Meissner's Corpuscles
Term
Meissner's Corpuscles
Definition
Pain & Touch Receptors
Term
Reticular Layer Contain Tissue:
Definition
Dense Irrigular Conncetive Tissue:
Collagen & elastic
Term
Reticular Layer
Definition
Deeper Layer of Dermis
Term
Hypodermis Contain Tissues:
Definition
Loose Areolar & Adipose Connective Tissue
Term
3 Pigments of Skin Color
Definition
Melanin, Carotene, Hemoglobin
Term
Melanin
Definition
Black & Brown
Term
Carotene
Definition
Yellow & Orange
Term
Hemoglobin
Definition
Reddish & Pink
Term
Sweat Glands
Definition
Originating in dermis
Term
Sweat
Definition
Filtrate of Blood, Dermicidin
Term
Dermincidin
Definition
Secrete Dermicidin to Kill Bateria
Term
Ceruminous Glands
Definition
Modified Sweat
Term
Mammary Glands
Definition
Specialized Sweat
Term
Ceruminous Glands - Function:
Definition
Ear canal that secrete Cerumen (Ear Wax)
Term
Cerumen
Definition
Ear Wax
Term
Mammary Glands - Function:
Definition
Secrete Milk
Term
Sebaceous Glands
Definition
Sebum (Oil) - Collect dirt, soften and lubricate hair & skin
Term
Sebum
Definition
Oil of hair & skin
Term
Arrector Pili Muscle
Definition
Smooth muscle, arrector pili contracts
React itself
Term
Horny Layer
Definition
Stratum Corneum
Term
Clear Layer
Definition
Stratum Lucidum
Term
Basal Layer
Definition
Stratum Basale
Term
Granular Layer
Definition
Stratum Granulosum
Term
Prickly Layer
Definition
Stratum Spinosum
Term
Stratum Germinativum
Definition
Stratum Basale
Term
Dendritic Cell
Definition
Stratum Spinousum also call:
Term
Sweat Glands; 2-4 Glands:
Definition
Eccrine Glands, Apocrine Glands, / Ceruminous Glands, Mammary Glands
Term
Eccrine Glands
Definition
Sweat on Palms, soles & forehead
Term
Apocrine Glands
Definition
Sweat on Axillary, Anal & Genital Area
Term
Epidermis Contain Tissue:
Definition
Epithelial Tissue
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