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GI Histology Part 2
Exam 7
45
Anatomy
Graduate
09/30/2010

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Cards

Term
The salivary glands of the digestives system are the __________, _________, and ____________ glands.
Definition
Parotid, Submandibular, Sublingual
Term
The parotid glands have a capsule composed of _________ _________ and is divided into ________ and ________.
Definition
connective tissue; lobes; lobules
Term
The functional unit of the parotid gland is ________.
Definition
acini
Term
The acini of the parotid gland are composed of _______ ______ cells, called _____ acini.
Definition
serous secretory; serous
Term
The submandibular gland is surrounded by a ______ and is composed of _____ and ______.
Definition
capsule; lobes; lobules
Term
Like the parotid gland, the ________ gland is composed of a capsule and has lobes and lobules.
Definition
submandibular
Term
The parotid and submandibular gland are similar, however the parotid gland has _____ acini and the submandibular gland has _________ acini.
Definition
serous; serous and mucous
Term
The submandibular gland has both _______ and ______ acini. 
Definition
serous; mucous
Term
The submandibular gland contains ______ ________ which cap the mucous acini.
Definition

serous demilunes


(FYI: serous demilune is a crescent of serous cells that cover one or more of the mucous acini surfaces.)

Term
The sublingual gland is unlike the other salivary glands because it has an absence of a ______.
Definition
capsule
Term
The acini of the sublinual gland are:
Definition
serous and mucous acini, mucous acini are the most predominant
Term
The sublingual gland is predominately ______ acini, the submandibular gland is predominately ______ acini.
Definition
mucous; serous
Term

 

The functional histological unit of the exocrine pancreas is the _________.


Definition
acinus
Term
The _________ cells of the exocrine pancreas have a ________ located nucleus and basophilic cytoplasm.
Definition
acinar; basally
Term
The exocrine pancreas releases it secretions through _________.  The secretions of the exocrine pancreas are pancreatic enzymes.
Definition
ducts
Term
At the beginning of the ducts are the ________ cells.  These cells signify the beginning of the duct system.
Definition
centroacinar
Term
The centroacinar cells are unique to the _______ pancreas.  These cells are in the center of the acinar cells.
Definition
exocrine
Term

 

žEndocrine pancreas
ž  The exocrine pancreas is composed of ____________, which are regions that contain 4 types of cells.

 

Definition

 

Islets of Langerhans

Term
The four types of cells of the Islets of langerhans are:

 

Definition
•α cells – glucagon
•Βcells – insulin
•δcells – somatostatin
•PP/F cells – pancreatic polypeptide
Term
The endocrine pancreas is surrounded by a ________ capsule, which is made of connective tissue.
Definition
Glisson's
Term
The structural functional unit of the liver is the ________ _________.
Definition
hepatic lobule
Term
The endocrine pancreas releases its secretions directly into _______.
Definition
blood
Term
The hepatic lobules of the liver are formed by anastomosing plates of _______.
Definition
hepatocytes
Term
In between the hepatocytes of the liver are _______.
Definition
sinusoids
Term

 

Blood from the portal vein and hepatic artery go through the sinusoids of the liver and eventually end up in the __________.

Definition
central vein
Term
The central vein in the liver is at the ________ of the lobule, the portal triad is at the______  of the lobule.
Definition
central; periphery
Term

 

The classic hepatic lobule is composed of the ________ ______ and the ________ _________.

 

Definition
central venule; portal triad
Term
The functional classifications of the hepatic lobule are the ________ _______ lobule, the _______ lobule and the liver ______.
Definition
Classic hepatic; portal; acinus
Term
The portal triad is composed of:
Definition
Portal vein
Hepatic artery proper
Common bile duct
Term
The portal lobule of the liver contains the ______ ______ at the center.
Definition
bile duct
Term
Based on the flow from the ______ artery, the liver acinus has three regions, called ______.
Definition
hepatic; zones
Term
In the liver acinus, Zone ___ is the richest in oxygen, Zone ___ is intermediate, and Zone ___ is oxygen poor.
Definition
I; II; III
Term
Zone ___ of the liver acinus is closest to arterial blood and will have richest amount of blood, oxygen nutrients.  
Definition
I
Term
  Is you have ischemia to liver, the cells that suffer the most are those in Zone ____ because they are further from source of blood (hepatic artery). 
Definition
III
Term
Zone _____ of the liver acinus receives the most oxygen poor blood.
Definition
III
Term
Hepatocytes are considered as both ______ and ______ cells.
Definition
endocrine; exocrine
Term
The Space of Disse facilitates the exchange between _____ and the _______.
Definition
blood; hepatocytes
Term
In the liver there are perisinusoidal cells of Ito, which are capable of producing _______ _______.
Definition
extracellular matrix
Term
The _________ in the liver are usually not activated until they are needed by the liver, such as if a part of the liver is removed due to cancer.  These cells are capable of producing extracellular matrix such as collagen.
Definition
Perisinusoidal cells of Ito
Term
In the liver are Kupffer cells which act as __________.
Definition
macrophages
Term
In the gallbladder there is _______, which is made of simple columnar epithelium and contains multiple folds.
Definition
mucosa
Term
In the neck region of the gallbladder are _______ ________ glands.
Definition
mucus secreting
Term
The ______ _______  of the gallbladder is made of smooth muscle.
Definition
muscularis externa
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