Submandibular glands

Definition

The submandibular glands are one of the three major pairs of salivary glands located beneath the lower jaw. They produce saliva that helps in digestion and maintains oral health.

5 Must Know Facts For Your Next Test

1. The submandibular glands produce approximately 60-70% of the saliva in the mouth.
2. They secrete a mixture of serous (watery) and mucous (thicker) fluids.
3. Saliva from these glands contains enzymes like amylase which initiate the breakdown of carbohydrates.
4. These glands are controlled by both sympathetic and parasympathetic nervous systems.
5. Blockage or infection in these glands can lead to conditions like sialadenitis or salivary stones.

Review Questions

• What percentage of saliva production is attributed to the submandibular glands?
• What types of fluids do the submandibular glands secrete?
• Which enzyme present in submandibular gland saliva aids in carbohydrate digestion?

Related terms

Parotid Glands: The largest salivary glands located near the ears, primarily producing serous fluid.

Sublingual Glands: The smallest major salivary glands located under the tongue, mainly producing mucous fluid.

Amylase:

An enzyme found in saliva that helps break down starches into sugars during digestion.