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what do glands consist of (2)
- parenchyma (functional part)
- stroma (supportive framework)
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what makes up the parenchyma (2)
- glandular or secretory epithelium
- duct system
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what makes up the stroma of a gland
supportive framwork of connective tissue
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what is the functional part of a gland
parenchyma
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what is the supportive part of a gland
stroma
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what are the basic classifications of glands (2)
- unicellular (goblet)
- multicellular (endocrine, exocrine)
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what is the ductless gland that have their secretions released into intercellular fluid and transported to the site of action by the blood
endocrine
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what is an endocrine type gland (3)
- ductless gland
- secretions are released into intercellular flud
- secretions reach site of action via the blood
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what is a type of gland that has a system of ducts
exocrine
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what are the types of exocrines (2)
- simple gland
- compound gland
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what are the types of simple exocrine glands (6)
- simple straight tubular
- simple coiled tubular
- simple branched tubular
- simple alveolar or acinar gland
- simple branched alveolar or bacinar gland
- simple tubulo-acinar (alveolus) gland
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what kind of gland is in large intestine
simple straight tubular
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what kind of gland is in sweat gland
simple coiled tubular
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what kind of gland is in stomach
simple branched tubular
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what kind of gland is in sebaceous gland
simple alveolar or acinar gland
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what kind of gland is in large sebaceous gland
simple branched acinar or alveolar gland
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what kind of gland is in minor salivary gland of oral cavity
simple tubulo-acinar (alveolus) gland
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where do simple straight tubular glands found
large intestine
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where do simple coiled tubular glands found
sweat gland
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where do simple branched tubular glands found
stomach
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where do simple alveolar or acinar gland found
sebaceous gland
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where do simple branched acinar or alveolar gland found
large sebaceous gland
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where do simple tubulo-acinar (alveolus) gland found
minor salivary gland of oral cavity
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what are the types of compound glands (3)
- compound tubular
- compound alveolar or acinar
- compound tubulo-alveolar
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where is compound alveolar or acinar glands found
parotid gland
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where is compound tubulo-alveolar glands found
pancreas
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what type of gland is found in the parotid gland
compound alveolar or acinar
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what type of gland is found in the pancreas
compound tubulo-alveolar
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what is the order of largest to smallest for an exocrine gland (8)
- lobe -> lobule
- main duct (duct of a gland)
- lobar duct (duct of a lobe)
- interlobular (in between lobules)
- intralobular duct (within lobule, striated in salivary gland, intercalated in pancrease)
- acinus
- myoepithellal cells
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what is the order of smallest to largest for an exocrine duct system (4)
- intralobular (salivary gland = striated, pancrease = intercalated)
- interlobular
- lobar ducts
- main ducts
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what are the types of the nature of secretory products (3)
- serous glands
- mucous glands
- seromucous or mixed
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what produces a thin, watery secretion
serous glands
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where can serous glands be found
parotid salivary gland
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what type of gland can be found in parotid salivary glands
serous glands
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what produces a thick, viscous (mucin) secretion that form a protective covering
mucous glands
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what type of glands stain lightly with H/E
mucous glands
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this type of gland has a both serous and mucous acini
seromucous or mixed
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where are seromucous or mixed glands found
in the mandibular salivary gland
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what type of gland is found in the mandibular salivary gland
seromucous or mixed
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what type of gland has its nuclei flattened and displaced towardes the basal part of the cell
mucous glands
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what type of gland has spherical nuclei in the center or lower half and their apical chytoplasm is filled with small secretory granules
serous glands
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what are the modes of release of secretory products (4)
- merocrine
- apocrine
- holocrine
- cytocrine
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how does merocrine release it's scretory products
secretory granules in a membrane, discharged by exocytosis
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what secretes their products in a membrane via exocytosis
merocrine
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what is the most common way of releasing secretory products
merocrine
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how does apocrine release it's scretory products
membrane bounded granule, with rim of cytoplasm and plasmalemma, released from apex of cell
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where do apocrines release their scretory products (examples) (2)
- sweat glands
- mammary glands
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what has a secretory product thats membrane bouned + a rim of cytopasm and plasmalemma
apocrine
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what has a secretory product released from the apex of the cell
apocrine
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what has a secretory product thats released from either the sweat gland or mammary gland
apocrine
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what is the mode of holocrine in releasing its secretory products
the entire cell is the product
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what has a secretory product thats released with the the whole cell being the secretory product
holocrine
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where are holocrines found
sabaceous glands
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what mode of secretory product releasing is found in the sabaceous glands
holocrines
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who do cytocrines release their product
transferred from one cell to another cell without passing into the environment. direct release
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what is an example of cytocrine release
melanin pigment from melanocytes into keratinocytes
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what type of secretory release is melanin pigment
cytocrine
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what do myoepithelial cells do
they contract to force secretory product through duct system
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where are myoepithelial cells located
interposed between the secretory cells and basement membrane
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what contracts to force secretory product through its duct system
myoepithelial cells
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