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55 Cards in this Set
- Front
- Back
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tissue types (4)
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1) epithelial
2) connective 3) muscular 4) nervous |
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epithelial tissue functions (4)
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1) covers
2) lines 3) coats 4) seperates |
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epithelial tissue cellularity
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cells are packed together
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epithelial tissue polarity
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epithelial tissue has different basal and apical aspects
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Basal (term)
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Base or bottom (Latin basis)
- opposite of apical |
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Apical (term)
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Peak or tip (Latin apex)
- opposite of basal |
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Avascular (term)
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lacks blood vessels
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epithelial tissue characteristics (4)
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1) cellularity (packed cells)
2) polarity 3) avascular 4) regenerates rapidly |
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Specialized epithelial tissue (2)
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1) microvilli
2) cilia |
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Microvilli (term)
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"little shaggy hairs"
long thin cells that are used for absorption or secretion usually in gut |
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Cilia (term)
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whip like
propels material usually in lungs |
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connective tissue function
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connects and communicates
most abundant tissue in body |
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connective tissue types (6)
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1) fat
2) ligaments 3) tendons 4) cartilage 5) bone 6) blood |
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connective tissue characteristics
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1) few cells
2) connected by a lot of matrix |
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connective tissue matrix
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extracellular
ground substance and fibers |
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muscle tissue types (3)
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1) smooth -> autonomic nervous system (ANS)
2) skeletal -> voluntary control of movement 3) cardiac -> just the heart |
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Nerve tissue types (3)
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1) brain
2) spinal cord 3) peripheral nerves |
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Nerve tissue electrical types (2)
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conductive -> neurons
non conductive -> everything else -> neurolgia |
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Neurolgia (term)
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nervous system tissue
non conductive nourishes insulates and protects neurons |
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Lesion (term)
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any injury wound or infection that affects tissue over an area of a definite size as opposed to being widely spread out throughout the body
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integumentary system
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skin and attachments (nails hair glands)
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Exocrine glands (term)
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glands that secrete out (exo)
have a duct (versus endocrine glands) |
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Endocrine glands (term)
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glands that secrete inward (endo)
have no duct |
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skin layers (3)
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1) epidermis
2) dermis 3) hypodermis (picture page 102 of text) |
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skin function
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protects
regulates temperature |
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Keratinocytes (term)
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cells in the epidermis layer of skin
most abundant produce keratine for protection (protein) live at base of epidermis and migrate/die towards surface |
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Melanocytes (term)
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cells in epidermis that make melanin
give skin its color protect from UV |
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Melanoma (term)
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skin cancer
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Dermis layers (2)
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1) papillary - sensory layer
2) reticular - collagen fibers -> stretchy layer |
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Striae (term)
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"stretch marks"
tearing of collagen fibers |
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Hypodermis
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== subcutaneous layer
base layer of skin fat tissue |
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hair
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is keratine
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subungual hematoma (disorder)
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blood under the nail
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glands in the skin (2)
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1) sebaceous - oil and lubrication
2) sweat - thermal regulation |
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Acne (disorder)
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clogged sebaceous gland that has become infected
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Freckles (disorder)
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often arise from UV exposure early in life
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Moles (disorder)
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often genetic and often appear in adolelecence
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Eczema (disorder)
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dry skin
often allergic |
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Psoriasis (disorder)
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dry patches in skin
often chronic often allergic |
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Urticaria (disorder)
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hives
skin plateaus pruitic (itchy) |
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Pruitic (term)
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itchy
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allopecia (disorder)
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hair lose
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herpes simplex (disorder)
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viral
cold sore fever blister |
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Impetigo (disorder)
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bacterial staff infection
mostly kids around mouth golden brown lesion |
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tinea (term)
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fungal infection
very common colonization of fungus |
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histology (term)
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microscopic anatomy
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CNS Functions (3)
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1) sensory input
2) interpretation 3) motor output |
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Nervous System Areas (2)
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1) CNS == Central Nervous System
2) PNS == Peripheral Nervous System |
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CNS Parts (2)
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1) Brain
2) Spinal Column |
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PNS Parts
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Spinal nerve and beyond cranial nerves
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PNS Branches (2)
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1) somatic
2) autonomic |
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PNS Somatic Characteristics
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voluntary
skeletal muscles conscious on/off |
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PNS Autonomic Characteristics
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involuntary
has two divisions, one for each of the on and off switches |
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PNS Autonomic Branches (2)
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1) sympathetic (the on switch)
2) parasympathetic (the off switch) |
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test
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test
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