Triangles Of The Neck 2 Flashcards Preview

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Flashcards in Triangles Of The Neck 2 Deck (31):
1

Submandibular Triangle Boundaries

Inferior margin of the mandible, posterior belly of digastric, anterior belly of the digastric

2

What tendon hold the digastric muscle to the hyoid bone?

Fascial sling

3

Muscles in the Submandibular Triangle

Digastric, Stylohyoid, Mylohyoid, Hypoglossus

4

Contents of the Submandibular Triangle

Submandibular gland, submandibular lymph nodes, hypoglossal nerve, facial vein/artery

5

Submental triangle boundaries

Anterior belly of the digastric, hyoid bone, median plan from the chin to the middle of the hyoid bone

6

Carotid Triangle Boundaries

Superior belly of omohyoid, stylohyoid and posterior belly. Of thee digastric, anterior border of the SCM

7

Contents of Carotid Triangle

Carotid arterial system, internal jugular vein, vagus, deep jugular lymph nodes, ansa cervicalis

8

Where does the right common carotid artery branch from?

Brachiocephalic trunk

9

Where does the left common carotid artery branch off of?

Aortic arch

10

Carotid Body

Chemoreceptor: monitors oxygen level in the blood

11

Carotid sinus

Baroreceptor: controls the BP to the brain

12

External Carotid Artery Branches

Ascending pharyngeal, occipital artery, posterior auricular artery, superior thyroid artery, lingual artery, facial artery

13

Terminal branches of the external carotid artery

Superficial thyroid artery, maxillary artery

14

Boundaries of muscular triangle

Anterior border or SCM, superior belly of omohyoid with hyoid, anterior midline of the neck

15

Strap muscles

Thyrohyoid
Omohyoid
Sternohyoid
Sternothyroid

16

Muscles of the muscular triangle

SCM, Strap muscles, Cricothyroid

17

Bones, Cartilages, and connective tissues of the muscular triangle

Hyoid bone, Thyroid cartilage, thyrohyoid membrane, cricoid cartilage, tracheal cartilage

18

Glands in the muscular triangle

Thyroid glands, parathyroid glands

19

Parathyroid glands

Posterior surface of the thyroid gland. Regulate calcium levels

20

Thyroid gland

2 large lobes and a midline isthmus. May have a pyramidal lobe. Largest endocrine gland

21

Vasculature of the thyroid gland

Superior thyroid artery, inferior thyroid artery, Superior/middle/inferior thyroid vein

22

Nerves in the muscular triangle

Ansa Cervicalis. Superior laryngeal branch of vagus (internal, recurrent, and external).

23

Contents of the root of the neck

Subclavian vein/artery, vagus nerve, phrenic nerve, sympathetic trunk

24

Tributaries of Subclavian vein

Internal jugular vein, brachiocephalic vein, external jugular vein, inferior thyroid vein

25

Venous angles

Left: thoracic duct
Right: right lymphatic duct

26

Part 1 of subclavian artery

Vertebral artery, internal thoracic artery, Thyrocervical trunk

27

3 branches of the thyrocervical trunk

Transverse cervical, Suprascapular, inferior thyroid

28

Part 2 of subclavian artery

Costocervical trunk

29

Part 3 of subclavian artery

Dorsal scapular artery

30

Right vagus nerve

Passes anterior to R subclavian A, gives rise to R recurrent laryngeal nerve

31

Left vagus nerve

Anterior to Aortic arch, gives rise to L recurrent laryngeal nerve