Epithelial cells that are adopted from membrane transport materials, such as onions and nutrients, usually have what's on their apical surface?
answer
Microvilli
question
Epithelia are connected to underlying connective tissue's by what?
answer
A basement membrane, protein filaments in bedded in a glycoprotein, and a basil lamina.
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Glands that secrete hormones into the blood be a tissue fluids are what?
answer
Endocrine glands
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Exocrine glands
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Release their secretion through open tubes call ducts, release their secretions into the external environment, may work as single cells or as a multicellular organ, may make either mucus or serous secretions
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Every substance that enters or leaves the internal environment of the body must cross and epithelium
answer
True
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Tissues are structurally more complex than what?
answer
Cells
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What general tissue type binds, supports, and protects the body?
answer
Connective
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What component of ground substance at adheres cells to their places within the extracellular matrix (ECM)?
answer
Glycoproteins
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What type of protein fiber, commonly found in the extracellular matrix, is extensible?
answer
Elastic
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Protein channels that are situated between cells create small pores for the passage of small substances are known as what?
answer
Gap junctions
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What type of cell Junction would most likely prevent water from flowing between our cells?
answer
Tight junctions
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Cells in the epidermis of the skin need to be held tightly together so that an impermeable barrier to fluids is created. What type of Junction perform this function?
answer
Tight junction
question
The general type of tissue with an apical surface and a basement membrane is what?
answer
Epithelial
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How are epithelial tissues classified?
answer
Epithelium is classified by the number of sellers and the shape of the cells
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Which statement best describes epithelial tissue?
answer
Para cellular or Tran cellular transport move substances across simple epithelia
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You examine the tissues live through the microscope and recognize one layer of cells that are mostly tall and elongated. You determine this tissue to be what?
answer
Simple Columnar epithelium
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Simple Squamus epithelium is found minding the what?
answer
Air sacs of the lungs
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Simple cuboidal epithelium is built for what?
answer
Absorption or secretion
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Which of the following epithelia can be keratinized?
answer
Stratified squamus epithelium
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Where is simple Columnar epithelium located?
answer
Lining of the small intestine
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What protein make stratified epithelium tissue is resistant to friction?
answer
Keratin
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Which of the following is composed of multiple layers of cells?
answer
Transitional epithelium
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The epidermis of the skin serves as a barrier to mechanical stresses and protect us from micro organisms. What tissue do you think forms the epidermis?
answer
Stratified squamus epithelium
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Glands, such as the thyroid, that secrete their products directly into the blood rather than through ducts are classified as what?
answer
Endocrine
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What cell is responsible for mucus secretion?
answer
Goblet cell
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What type of secretion involves a release of substances, such as saliva and sweat, and secretory vesicles by exocytosis?
answer
Merocrine
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What epithelium appears to have two or three layers of cells, but all the cells are in contact with the basement membrane?
answer
Pseudostratified columnar
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Which of the following is true about the mode of secretion of exocrine glands?
answer
Merocrine glands are not altered by the secretory process
question
Select the correct statement regarding epithelial cells
answer
Stratified epithelium to our present wear protection from abrasion is important
question
Which cells are commonly found wedge between simple Columnar epithelial cells?
answer
Goblet cells
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Characteristics of epithelia include what?
answer
Avascularity, regeneration, attachment, and polarity
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Which of the following statements about simple epithelia is false?
answer
They cover services subjected to mechanical or chemical stress
question
Endocrine glands empty their products into what and I referred to as what glands, while exocrine gland secretions wmpty into what or onto services
answer
Enters did she will fluid, ductless, ducts
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The tissue lining the small intestine of the digestive tract is called what?
answer
Simple Columnar epithelium
question
Which type of epithelium line the renal pelvis, your readers, and urinary bladder?
answer
Transitional
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Unicellular exocrine gland's are what?
answer
Also called goblet cells
question
Dead skin cells are shed in thin sheets because they are held together by spots of proteoglycans reinforced by intermediate filaments. Such strong intercellular connections are called what?
answer
Desmosomes
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The tissue that always has a top and a bottom is what?
answer
Epithelial tissue
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Which of the following is not one of the four main Tisha categories?
answer
Osseous tiddue
question
Cells that are specialized for secretion
answer
Exhibit polarity
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