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Histology Exam 1
Lecture 5 (Glands)
17
Other
Not Applicable
06/06/2008

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Term
exocrine glands
Definition
- secrete protein or mucus into ducts that carry product to internal/external surface
Term
endocrine glands
Definition
- lack ducts
- release secretory products (usually hormones) into blood
Term
glands
Definition
- formed from epithelial cells
- organs
- produce secretion necessary for normal body functions
Term
classification of exocrine
Definition
- complexity of duct system
- shape of secretory units
- type of secretion
-method of secretion
Term
simple vs. compound
Definition
- duct does not branch
- duct branches repeatedly
Term
tubular vs. acinar/alveolar vs. tubuloacinar/tubuloalveolar
Definition
- elongated grouping
- arranged in a circle
- arranged in both circles and elongated portions
Term
mucous
Definition
- viscous fluid composed of mucins in water containing ions
Term
mucins
Definition
- high molecular weight, highly glycosylated molecules
Term
mucous acinus
Definition
- group of mucous-secreting cells
Term
serous
Definition
- aqueous product containing proteins
- any body fluid resembling a serum (accumulation of proteins)
Term
serous acinus
Definition
- group of cells that secrete serous
Term
seromucus
Definition
- aka mixed
- contains both types of secretion cells
Term
mucoserous acinus/serous demilune
Definition
- group of mucus cells with a cap of serous cells
Term
methods of secretion
Definition
- merocrine/eccrine
- apocrine
- holocrine
Term
merocrine/eccrine
Definition
- secretory molecules synthesized at rER
- modified and packaged by Golgi
- stored in cytoplasm
- released from cell in exocytosis
- main method of secretion in salivary gland
Term
apocrine
Definition
- secretory product released from cell along with some of apical portion of call
- mammary glands
Term
holocrine
Definition
- secretory product is entire cell plus secreted molecules
- cell dies
- sebaceous glands associated with hair follicles
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