Histo. Digestive Glands Flashcards
Salivary gland, liver, pancreas, GB
_______ gland secretions are to lubricate and moisten the oral mm
accessory Salivary gland
Name 4 accessory salivary glands
- labial
- buccal
- lingual
- palatine
name 3 major salivary glands
parotid
submandibular
sublingual
_____ splits starches and immunoglobulin (IgA)
Amylase
____ are the secretory untis
acini
_____ acini are rounded. Cells are pyramidal with rounded nuclei and granular cytoplam. They secrete a watery albuminous secretion
serous acini
Serous acini secrete a _____ secretion
watery albuminous
_____ acini secrete mucous
Mucous
_____ acini are mucous acini with a group of serous cells in the form of a demilune
Mixed acini
Serous __ overlie the acinar cells under cover of a basement membrane in mixed acini
serous demilunes
The secretion of serous cells reach lumen of mixed acini via _____ btw mucous cells
intercellular canaliculi
Name the 3 acini secretory units in the salivary gland
- serous acini
- mucous acini
- mixed acini
The secretion of the acini is collected by a system of ____
ducts
____ ducts lie inside lobules and between acini
intralobular ducts
Intralobular ducts start as narrow ducts draining acini called ____ ducts (in salivary glands)
intercalated ducts
simple squamous
Intercalated ducts unit to form ___ ducts
Secretory striated ducts
simple cuboidal
______ ducts lie in CT trabeculae btw lobules . They are a union of several striated ducts
Interlobular ducts
simple columnar
______ ducts run btw lobes and result from union of several interlobular ducts
Interlobar ducts (psuedostratified)
____ ducts are a union of several interlobar ducts . They open into the oral cavity
main ducts
stratified squamous non keratinized
____ ducts open into the oral cavity
Main ducts
stratified squamous non keratinized
_______ cells help to squeeze secretions out of acini and propagation along the ducts
Myoepithelial or basket cells
__ glands have 100% serous acini and intercalated ducts are long
parotid glands
IN _____ glands the acini are 80% serous and 20% mucous and mixed . Intercalated ducts are short
submandibular ducts
____ glands have 99% acini mucous and mixed, serous acini are rare (1%). Intercalated ducts are absent
sublingual glands
mucous acini with a group of serous cells for a _____
demilunes
_____organ is a mixed exo-endocrine gland
Pancreas
The acini in the pancrease secrete ___
pancreatic juice
exocrine portion
The exocrine portion of the pancrease secretes ______ through the _____
pancreatic juice through the acini
The pancreas acini are 100% __
serous
In the pancreas the iintralobular ducts line their lunima as ______
centro-acinar cells