A histological specimen of a mandibular gland shows an exctretory duct. Mucous membrane of the duct is lined with cubic epithelium whose cells have weakly developed organellas. What excretory duct is it?

ORAL CAVITY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	Interlobular
B	Striated
C	Common excretory
D	Intercalated
E	-

Explanation:

Detailed explanation-1: -Submandibular Gland It is mostly serous (95%) and minor mucous (5%). Stroma-the connective tissue component of the gland. Capsule-connective tissue that encapsulates the gland. Lobule-connective tissue divides the gland into lobules.

Detailed explanation-2: -The submandibular gland’s main excretory duct is the Wharton duct. This duct has been measured to be approximately 5 cm in length and 1.5mm in diameter. The Wharton duct originates at the submandibular gland hilum and then travels around the posterior portion of the mylohyoid muscle.

Detailed explanation-3: -Salivary glands are made up of secretory acini (acini-means a rounded secretory unit) and ducts. There are two types of secretions-serous and mucous. The acini can either be serous, mucous, or a mixture of serous and mucous.

Detailed explanation-4: -Normal Histology. Normal submandibular salivary gland is shown at medium power, with both serous and mucinous acini. The serous cells contain dark granules from which enzymes such as amylase and maltase are released. The mucinous cells contain pale mucin.

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GROSS ANATOMY

GROSS ANATOMY

ORAL CAVITY