glands in the epithelium ch.4

  1. glands are classified according to their...
    • structure 
    • function based structure
  2. structure of glands includes...
    • Unicellular—glands are scattered in the epithelial tissue
    • multicellular-forms multi cellular lined pouches in the epithelial tissue
  3. function based structure includes...
    • Exocrine –with ducts..typically flow onto the free surface of the covering epithelium, using tube like duct.
    • Endocrine Glands—without ducts
  4. what are ex. of exocrine glands and their secretions..
    • *sweat, skin oil, ear wax & digestive enzymes
    • * mammary gland- milk
    • * Sudoriferous (sweat glands)- perspiration
    • *sebaceous gland-oil
    • * salivary glands- secretes mucus and digestive enzymes.
    • * Lacrimal gland-tears
  5. what are the types if secretions..
    • Serous glands-produce thin, watery secretions such as sweat, milk, tears and digestive juices
    • Mucous glands- produce mucin that absorbs water to form a sticky secretion called mucus
    • Mixed glands contain which contain both cell types
    • Cytogenic glands-release whole cells such as sperm and egg cells
  6. 3 types a gland can be..
    • holocrine
    • merocrine
    • apocrine
  7. branched acinar glands rupture and disintegrate (dies) to deliver their accumulated secretory product. They are then replaced.
    holocrine gland
  8. Sebacous (oil-producing) glands of the scalp
    holocrince gland
  9. release their product by exocytosis through simple coiled tubular glands
    Merocrine glands
  10. Non odorous (order less) body sweat glands,tears, gastric glands, saliva pancreas, etc.
    most are exocrine glands
  11. secrete parts of the apical surface with the secretion.... mixture of sweat and oil.. the tip of the cell bursts
    apocrine glands
  12. simple tubular odorous armpit sweat glands
    smelly armpits and smelly pussy/dick 
    Compund Acinar mammary glands
    Apocrine glands
  13. usually compact, multicellular secretion flow directly from the cell to the extracellular fluid and which then diffuses into the blood stream without ducts
    endocrine glands
  14. are called hormones
    Endocrine secretions
  15. endocrine glands are, pituitary, thyroid, parathyroid, adrenal, pineal are all examples of what gland ?
    endocrine gland!
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glands in the epithelium ch.4
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