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47 Cards in this Set
- Front
- Back
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What type of tissue has an apical and basal surface?
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Epithelial tissue
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Type of cell junction permits small molecule exchange
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gap junctions
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why do dead skin cells shed in sheets? what sticks it together?
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skin cells are held together desmosomes
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tissue that lines stomach and small intestine
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simple columnar
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Define germinative cells
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they divide continually to produce new epithelial cells
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what epithelium lines the heart and blood vessels
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simple squamous
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Where is pseudostratified columnar epithelium found?
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nasal cavity, trachea, bronchi
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what cells are flat and thin?
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Squamous
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Secretions through a duct might provide ______, whereas ductless secretions act as ______
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enzymes;hormones
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what epithelium forms air sacs in the lungs?
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simple squamous
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function of simple cuboidal epithelium
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absorption and secretion
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pap smear detection for cervical cancer
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brush takes cell samples from cervix which are examined under a microscope to detect for cancerous growth
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what glands secrete hormones into the interstitial fluid?
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endocrine glands
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what tissues are classified as connective tissue proper?
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loose--> asipose/fat dense--> tendons/ligaments |
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what type of tissue is blood
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fluid connective tissue
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what tissue makes up the framework of organs
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connective tissue
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what is the dominant fiber in dense connective tissues?
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collagen fibers
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2 types of macrophages
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fixed--> stay in house free--> migrate around |
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2 parts of the integument
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cutaneous membrane (skin) and accessory structures
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what cells make up strata of epidermis?
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keratinocytes
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what is the tough superficial layer of the epidermis?
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stratum corneum
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how many layers does the thin skin have? the thick skin?
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4;5
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why does UV light darken skin?
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increases melanin production to protect skin
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what protein in the skin allows folding and stretching?
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e;astin/elastic fibers
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inflammation of the papillary layer
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dermatitis
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what would happen if you make a surgical incision parallel to the cleavage line?
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there would be a well-healing, small scar
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what happens if the papilla of the hair follicle is destroyed?
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hair dies and can't regenerate
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common cause of dandruff
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dry skin
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What is the gland that releases the oil on the scalp?
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sebaceous glands
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what glands makes earwax?
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cerminous glands
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what does the nail body cover?
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nail bed
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Another name for the cuticle around the nail
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eponychium (cuticle)
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medical term for a skin knee
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abrasion/scab
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type of burn that requires a skin graft
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3rd degree
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what is the accumulation of fluid between the epidermis and dermis or underneath the epidermis called?
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blisters
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nervous system that controls skeletal muscles
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peripheral ns
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what part of the pns carries sensory info to the cns?
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afferent division of pns
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must abundant class of neurons
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multipolar?
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branches that come off long axons
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collaterals
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neurons that have 1 axon, 1 dendrite, and with soma in between are called
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bipolar neurons
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most abundant sensory neurons of pns
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unipolar
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most abundant sensory neurons in cns
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multipolar
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cells in pns
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satellite, schwann
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cells in cns
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oligodendrocutes, microglia, ependymal cells, astrocytes
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what cells make myelin?
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oligodendrocytes in cns schwann in pns |
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types of channels
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passive channels (leak channels) active channels (gated channels) |
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active channel types
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chemically gated voltage gated mechanically gated |
