Question

write about the salivary glands​

Answer 1

Explanation:

If you have been diagnosed with salivary gland cancer, knowing a little bit about the salivary glands will help you talk to your doctor about surgery or other aspects of your care.

The salivary glands make saliva and empty it into your mouth through openings called ducts. Saliva helps with swallowing and chewing. It can also help prevent infections from developing in your mouth or throat.

There are two types of salivary glands:

the major salivary glands

the minor salivary glands

Major Salivary Glands

The major salivary glands are the largest and most important salivary glands. They produce most of the saliva in your mouth.

There are three pairs of major salivary glands: the parotid glands, the submandibular glands, and the sublingual glands.

Parotid Glands

The parotid glands are the largest salivary glands. They are located just in front of the ears. The saliva produced in these glands is secreted into the mouth from a duct near your upper second molar.

Each parotid gland has two parts, or lobes: the superficial lobe and the deep lobe. Between the two lobes is the facial nerve. The facial nerve is important because it controls your ability to close your eyes, raise your eyebrows, and smile.

Other critical structures near the parotid glands include the external carotid artery, which is a major supplier of blood to the head and neck region, and the retromandibular vein, a branch of the jugular vein.

Surgery to treat a parotid gland tumor is called a parotidectomy. It requires great precision because the surgeon has to locate and operate around these important structures.

Learn more about parotidectomy.

Submandibular Glands

About the size of a walnut, the submandibular glands are located below the jaw. The saliva produced in these glands is secreted into the mouth from under the tongue.

Like the parotid glands, the submandibular glands have two parts called the superficial lobe and the deep lobe. Nearby structures include:

the marginal mandibular nerve, which helps you smile

the platysma muscle, which helps you move your lower lip

the lingual nerve, which allows sensation in your tongue

the hypoglossal nerve, which allows movement in the part of your tongue that helps with speech and swallowing

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Answer 2

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$\bf\large\underline\green{Salivary \:glands-}$ : There are three pairs of salivary glands which open in buccal Cou Parotid glands are present in front of the The submandibular glands are present below the lower jaw. The glands present below the tongue are called sublingual. Salivary glands are made up of two types of cells. Serous cells secrete a fluid containing digestive enzyme called salivary amylase. Mucous cells produce mucus that lubricates food and helps swallowing.