The secretions produced by submandibular gland enter the oral cavity via the submandibular duct or Wharton duct.

Parotid glands occur below and in front of ears.

There are numerous intercalated ducts.

Parotid duct pierces the buccinator muscle and then opens into the oral cavity on the inner surface of cheek.

The fundic glands (or oxyntic glands) are found in the fundus and body of the stomach. 

The enterochromaffin-like cells store and release histamine when the acidity (pH) of stomach becomes too high. 

Paneth cells secretes several anti-microbial compounds.

In the colon, crypts do not have paneth cells.

Intestinal juice contains erepsin.

Von Ebner's glands secrete lingual lipase.

The ampulla of vater, also known as the hepatopancreatic ampulla, or as hepatopancreatic duct, is formed by the union of the pancreatic duct and the common bile duct.

Inferior vena cava is not a component of portal triad.

Adenomere is the functional unit of salivary gland.

Sialolithiasis (also termed salivary calculi) is a condition where a calcified mass or sialolith forms within a salivary gland, usually in the duct of the submandibular gland.

Lobules are the functional units of liver.