Anatomy of Submandibular Region
32 Questions
3 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What are the boundaries of the submandibular region?

Inferior border of the mandible, anterior and posterior bellies of digastric

Which nerves are included in the contents of the submandibular region?

Hypoglossal nerve, mylohyoid nerve

Name the salivary glands located in the submandibular region.

Submandibular gland, sublingual salivary gland

What are the muscular components of the floor of the submandibular region?

<p>Mylohyoid, hyoglossus, middle constrictor</p> Signup and view all the answers

What are the vascular components of the submandibular region?

<p>Facial artery, lingual artery, facial vein</p> Signup and view all the answers

Which ligament is related to the submandibular region?

<p>Stylohyoid ligament</p> Signup and view all the answers

What is the main contributor to the total salivary volume of the submandibular salivary gland?

<p>Mixed salivary product (serous and mucous secretions)</p> Signup and view all the answers

Where does the submandibular duct open into the floor of the mouth?

<p>At the sublingual caruncle (at the base of the lingual frenulum)</p> Signup and view all the answers

What anatomical relation does the lingual nerve have with the submandibular duct?

<p>Lingual nerve loops under the submandibular duct, crossing first the lateral side and then the medial side of the duct</p> Signup and view all the answers

Where do the submandibular lymph nodes lie in relation to the submandibular gland?

<p>Inferior border of the ramus of the mandible, superficial to the submandibular gland</p> Signup and view all the answers

Which artery supplies the face and submandibular gland and ascends crossing the inferior border of the mandible?

<p>Facial artery</p> Signup and view all the answers

How is the submandibular salivary gland palpated during an extraoral examination?

<p>Inferior and posterior to the body of the mandible</p> Signup and view all the answers

What does the lingual artery supply?

<p>Tongue, floor of mouth, sublingual gland</p> Signup and view all the answers

Which nerve innervates most of the tongue muscles and exits the skull through the hypoglossal canal?

<p>Hypoglossal nerve (XII)</p> Signup and view all the answers

What slender motor branch passes downward and anteriorly to supply the mylohyoid and the anterior belly of the digastric muscle?

<p>Mylohyoid nerve</p> Signup and view all the answers

What nerve supplies the mylohyoid and the anterior belly of the digastric muscle and passes downward and anteriorly to the submandibular region?

<p>Mylohyoid nerve</p> Signup and view all the answers

What are the muscular components that form the floor of the submandibular region?

<p>Mylohyoid, Hyoglossus, Middle constrictor</p> Signup and view all the answers

Identify the nerves included in the contents of the submandibular region.

<p>Hypoglossal nerve, Mylohyoid nerve</p> Signup and view all the answers

Name the ligament associated with the submandibular region.

<p>Stylohyoid ligament</p> Signup and view all the answers

What is the main contributor to the total salivary volume of the submandibular salivary gland?

<p>Submandibular gland</p> Signup and view all the answers

Where do the submandibular lymph nodes lie in relation to the submandibular gland?

<p>Lie inferior to the submandibular gland</p> Signup and view all the answers

How is the submandibular salivary gland palpated during an extraoral examination?

<p>By pressing the floor of the mouth</p> Signup and view all the answers

What is the main contributor to the total salivary volume of the submandibular salivary gland?

<p>Mixed salivary product (serous and mucous secretions)</p> Signup and view all the answers

Where does the submandibular duct open into the floor of the mouth?

<p>Sublingual caruncle (at the base of the lingual frenulum)</p> Signup and view all the answers

What anatomical relation does the lingual nerve have with the submandibular duct?

<p>It loops under the submandibular duct, crossing first the lateral side and then the medial side of the duct</p> Signup and view all the answers

Which artery supplies the face and submandibular gland and ascends crossing the inferior border of the mandible?

<p>Facial artery</p> Signup and view all the answers

What slender motor branch passes downward and anteriorly to supply the mylohyoid and the anterior belly of the digastric muscle?

<p>Mylohyoid nerve</p> Signup and view all the answers

What nerve supplies the mylohyoid and the anterior belly of the digastric muscle and passes downward and anteriorly to the submandibular region?

<p>Mylohyoid nerve</p> Signup and view all the answers

Where are the submandibular lymph nodes located in relation to the submandibular gland?

<p>Inferior border of the ramus of the mandible, superficial to the submandibular gland</p> Signup and view all the answers

What is the anatomical course of the lingual artery?

<p>It originates from ECA at the greater horn of hyoid, and passes deep to the hyoglossus</p> Signup and view all the answers

What are the contents of the deep lingual vein?

<p>It joins the sublingual vein to drain into IJV</p> Signup and view all the answers

What is the innervation of most of the tongue muscles?

<p>Hypoglossal nerve (XII)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser