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40 Cards in this Set
- Front
- Back
Epithelial Tissue
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lines absolutely everything
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Connective tissue
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holds stuff together
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covers all:
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body surfaces
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lines most:
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internal organs
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makes up:
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glands
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has no:
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blood vessles
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connective tissue supplies:
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blood
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anchored to cennective tissue by:
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non cellular basement membrane
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reproduce readily so:
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injuries heal fast
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secretes:
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mucus(stuff you need)
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absorbs:
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nutrients and oxygen
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excretes:
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co2(stuff you don't need)
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allows you to feel things
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sensory reception
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thin layer of flattened cells for filtration and diffusion
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simple squamous epithelium
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simple squamous lines:
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lungs and capillaries
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many layers of squashed tissue//bottom layers reproduce quickly pushing the top layer out
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stratified squamous epithelium
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keratinization
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top layer of skin harden and die to protect and block pathogens and chemicals
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still stratified, but no keratinization
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mouth, throat, vagina, and anal canal
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cube shaped cells with central nucleaus for absorption and secretion
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simple cuboidal epithelium
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simple cuboidal covers:
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ovaries, kidneys, salivary glands, thyroid gland, pancreas, and liver
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kidneys are for:
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secretion and absorption
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2-3 layers of cuboidal cells (usually tubes) for protection
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stratified cuboidal epithelium
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stratified cuboidal epithelium lines larger ducts of:
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mammary glands, sweat glands, salivary glands, and pancreas.
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long cells w/ neclui near basement membrane. include goblet cells which secrete mucus.
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simple columnar epithelium
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simple columnar epithelium are for:
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absorption and secretion
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some simple columnar epithelium have _______ to increase surface area and absorption
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microvilli
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superficial layer for protection and secretion.
more elongated than basal layers(deeper) |
stratified columnar epithelium
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examples of stratified columnar epithelium:
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urethra, vas deferens, pharynx
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examples of simple columnar epithelium:
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uterus and digestive tract.
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one layer that looks like many because there are more than 1 layer of nuclei
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pseudostratified Columnar Epithelial
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pseudostratified Columnar Epithelial usually have:
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celia and goblet cells
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examples of pseudostratified Columnar Epithelial:
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respiratory passages and reproductive passages
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Cells that change in reponse to tension for distensibility and protection
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transitional epithelium
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example of transitional epithelium
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bladder flattens when full, but is cuboidal when empty
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typically cuboidal oe columnar that produce and secrete a substance for secretion// glands
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glandular epithelium
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secretes into blood and 3 types of ducts
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endocrine gland
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the three types of ducts in endocrine glads are called:
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merocrine gland, apocrine gland, holocrine glands
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merocrine gland secretes:
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watery, protien rich fluid by exocytosis(digestive system)
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apocrine glands secrete:
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flid filled packets of cytoplasm(breast milk)
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holocrine glands secrete:
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entire cells(sebaceous glands: oil on skin)
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