𝟎𝟑. 𝐒𝐚𝐥𝐢𝐯𝐚𝐫𝐲 𝐠𝐥𝐚𝐧𝐝𝐬 (𝐏𝐚𝐫𝐭 𝐈𝐈) (𝐒𝐮𝐛𝐦𝐚𝐧𝐝𝐢𝐛𝐮𝐥𝐚𝐫 + 𝐒𝐮𝐛𝐥𝐢𝐧𝐠𝐮𝐚𝐥)

This video explains the site, parts, relations, nerve supply, and blood supply of both submandibular and sublingual salivary glands, and their applied anatomy (including MCQ, practical, and interactive questions)

* 𝐂𝐡𝐚𝐩𝐭𝐞𝐫𝐬 (𝐭𝐢𝐦𝐞𝐬𝐭𝐚𝐦𝐩𝐬) الفصول (الطوابع الزمنية)
00:00 - Intro (مقدمة)
00:19 - Content (المحتوى)
00:45 - Submandibular salivary gland
18:06 - Submandibular duct
22:44 - Blood supply
23:21 - Lymphatic drainage
23:52 - Nerve supply
28:05 - Sublingual salivary gland
32:00 - Sublingual ducts
34:00 - Nerve supply of submandibular and sublingual salivary glands
36:05 - Submandibular ganglion
39:27 - MCQ
40:46 - Practical questions
42:47 - Interactive questions

* 𝐖𝐡𝐚𝐭 𝐢𝐬 𝐚 𝐬𝐚𝐥𝐢𝐯𝐚𝐫𝐲 𝐠𝐥𝐚𝐧𝐝 𝐬𝐭𝐨𝐧𝐞?
- Salivary gland stones are calcifications in the salivary gland or in the tubes (ducts) that drain the salivary glands. They create a blockage that obstructs the flow of saliva. Salivary gland stones are the most common cause of inflammatory salivary gland disease.

* 𝐈𝐧𝐜𝐢𝐝𝐞𝐧𝐜𝐞 𝐨𝐟 𝐬𝐚𝐥𝐢𝐯𝐚𝐫𝐲 𝐠𝐥𝐚𝐧𝐝 𝐬𝐭𝐨𝐧𝐞𝐬:
- However, over 80% of all salivary gland stones form in your submandibular gland (submandibular sialolithiasis) and affect the Wharton's duct (where your submandibular gland empties saliva into your mouth).

* 𝐖𝐡𝐲 𝐢𝐬 𝐬𝐢𝐚𝐥𝐨𝐥𝐢𝐭𝐡𝐢𝐚𝐬𝐢𝐬 𝐜𝐨𝐦𝐦𝐨𝐧 𝐢𝐧 𝐭𝐡𝐞 𝐬𝐮𝐛𝐦𝐚𝐧𝐝𝐢𝐛𝐮𝐥𝐚𝐫 𝐠𝐥𝐚𝐧𝐝?
Sialolithiasis most commonly occurs in the submandibular gland (roughly 80-90%), due to the anatomy of this duct being long and its flow of saliva against gravity.

* 𝐖𝐡𝐚𝐭 𝐜𝐚𝐮𝐬𝐞𝐬 𝐬𝐚𝐥𝐢𝐯𝐚𝐫𝐲 𝐬𝐭𝐨𝐧𝐞𝐬?
- The cause is unknown, but several factors are associated with salivary stone formation: Dehydration, due to inadequate fluid intake, illness, or medications such as diuretics (water pills) and anticholinergic drugs. Trauma to the inside of the mouth.

* 𝐇𝐨𝐰 𝐝𝐨 𝐲𝐨𝐮 𝐭𝐫𝐞𝐚𝐭 𝐬𝐢𝐚𝐥𝐨𝐥𝐢𝐭𝐡𝐢𝐚𝐬𝐢𝐬 (stone formation in salivary glands)?
- The classic treatment of sialolithiasis is antibiotics and anti-inflammatory agents, hoping for a spontaneous stone expression through the papilla. In the cases of submandibular stones located close to Wharton papillae, a marsupialization (sialodochoplasty) is performed and the stone is removed.

* 𝐌𝐂𝐐:
1. The two parts of the submandibular gland are continuous around the posterior border of which muscle?
A. Sternohyoid
B. Sternomastoid
C. Hyoglossus
D. Mylohyoid

2. The submandibular duct forms a triple relation with which nerve?
A. Mylohyoid
B. Lingual
C. Vagus
D. Hypoglossal

3. What is the parasympathetic nerve of the submandibular gland?
A. Chorda tympani
B. Oculomotor
C. Vagus
D. Trigeminal

4. Which of the following lymph nodes drains the submandibular gland?
A. Pretracheal
B. Prevertebral
C. Deep cervical
D. Occipital

5. Sublingual duct opens into which of the following sites?
A. Summit of sublingual fold
B. Opposite second upper molar tooth
C. Opposite second upper molar tooth
D. Opposite the second lower molar tooth

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* 𝐇𝐚𝐬𝐡𝐭𝐚𝐠:
#submandibular_salivary_gland
#sublingual_salivary_gland
#submandibular_ganglion