What is the parasympathetic innervation of the submandibular gland?

What is the parasympathetic innervation of the submandibular gland?

The parasympathetic innervation of the lingual mucous glands occurs through the facial nerve’s chorda tympani. This synapses in the submandibular ganglion. The postganglionic branches reach the lingual mucosa through the lingual nerve, or tough plexuses surrounding the lingual arteries.

What nerve innervates the submandibular gland?

The submandibular glands receive their parasympathetic input via the chorda tympani nerve, which is a branch of the facial nerve via the submandibular ganglion.

Is salivary secretion sympathetic or parasympathetic?

Abstract. The view is generally held that the secretory elements of the major salivary glands are supplied with parasympathetic (cholinergic) nerve fibres, while the extent of the sympathetic (adrenergic) innervation varies considerably not only between different species but also between the glands of the same species.

What is submandibular gland excision?

Submandibular gland excision surgery removes the whole gland. If cancer is present, removing the gland may be all or part of treatment. The other salivary glands will continue to produce saliva.

What happens after submandibular gland excision?

For parotidectomy and submandibular gland excision:

• you can expect some swelling and discoloration around your incision.
• You will have some numbness around your incisions.
• It is possible to have some temporary nerve weakness in your face after the surgery.

What does submandibular gland secrete?

The submandibular gland produces saliva, which moistens the mouth and aids in chewing, swallowing, digestion, and helps to keep the mouth and teeth clean. Unstimulated, the submandibular glands provide the majority of saliva to the mouth. On stimulation, the parotid gland takes over, producing the majority of saliva.

What happens when parasympathetic innervation to salivary gland is interrupted?

This results in the following effects: Decreased production of saliva by acinar cells. Increased protein secretion. Decreased blood flow to the glands.