Submandibular region Flashcards
The key muscle of the submandibular region
Hyoglossus
Name 10 contents of the submandibular region
- Hypoglossal nerve
- Lingual nerve
- Glossopharyngeal nerve
- Lingual artery
- Submandibular gland
- Submental gland
- Submandibular and submental lymph nodes
- Suprahyoid muscles *MNEMONIC: Dang Soldier-Man Go!
- Submandibular ganglion
- Extrinsic muscles of tongue
Name muscles in each muscular plane
First plane
- digastric
- stylohyoid
Second plane
-Mylohyoid
Third plane
- Geniohyoid
- Hyoglossus
Fourth plane
-Genioglossus
Superficial and deep relations of digastric posterior belly
Superficial
- Skin
- Superficial Fascia
- Platysma
- Cervical branch of facial nerve
- Sternocleidomastoid
- Mastoid process
- Parotid gland
- Angle of mandible
Deep
- Facial artery
- Internal and External carotid arteries
- 10-12 cranial nerves
- Internal jugular vein
- Stylohyoid
- Posterior auricular artery (running along its upper border)
- Occipital artery (running along its lower border)
Which layer of deep cervical fascia forms the capsule of the submandibular gland?
investing layer
At which level does the investing fascia split into two laminae?
greater cornu of hyoid
State attachments of superficial and deep laminae of submandibular capsule
Superficial lamina to base of mandible
Deep lamina to inner surface of mandible
Name the relations of the submandibular gland’s superficial part
Relations of inferior/superficial surface
Relations of medial surface
1. Anterior part
- Middle part
- Posterior part
Relations of lateral surface
Wharton’s duct is accompanied by which neurovascular structures?
Lingual nerve
Lingual vein
Hypoglossal nerve
Enumerate course of Wharton’s duct
Emerges at posterior border of mylohyoid
Travels forward on hyoglossus and above mylohyoid on top of lingual nerve and submandibular ganglion
Enters sublingual space by passing between genioglossus and sublingual gland
Ascends to emerge lateral to frenulum of tongue
