Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
15 Cards in this Set
- Front
- Back
|
Root of the Neck
|
-Jxn area bw thorax & neck
-Boundaries: Laterally = 1st pair of ribs & their cartilage Anteriorly = manubrium of sternum Posteriory = body of T1 vertebra |
|
|
Fascia of the Neck
|
-compartmentalize, form planes (dictate flow of fluid or infection)
- 1) Superficial fascia (subcutaneum) -Deep fascia: 2) Investing fascia 3) Pretrachial fascia 4) Carotid sheath 5) Prevertebral fascia |
|
|
Superficial cervical fascia
|
contains subcutaneous tissue & platysma muscle
|
|
|
Investing fascia
|
-envelopes entire neck
-splits to envelope Trap & SCM -superiorly encapsulates parotid & submandibular glands |
|
|
Pretrachial fascia
|
-does not envelope muscles (goes around thyroid, trachea, & esophagus)
-continuous w/ buccopharyngeal fascia superiorly & descends to mediasteinum |
|
|
Prevertebral fascia
|
envelopes vertebrae and muscles
|
|
|
Carotid sheath
|
-composed of contributions from all 3 fascia layers:
-investing fascia, prevert, carotid sheath -envelopes 3 structures (no muscle): common carotid, vagus, & internal jugular vein |
|
|
Posterior Triangle Borders
|
Anterior: SCM
Posterior: Trap Inferior: Clavicla Roof: Skin, sup. fascia w/ platysma & deep investing fascia Floor: Prevertebral fascia, splenius capitis, Levator scapulae, post/mid/ant scalene |
|
|
Superficial Muscles
|
Table
|
|
|
Muscles of the Posterior Triangle
|
Table
|
|
|
Subdivision of the Posterior Triangle of the Neck
|
-Occipital tri: SCM, Trap, Omohyiod
-Supraclavicular (subclavian) tri: Omohyiod, SCM, Clavicle |
|
|
Borders of the Anterior Triangle
|
Ant: midline
Post: SCM Sup: inf border of mandible Roof: skin, superficial fascia w/ paltysma muscle & deep investing fascia Floor: pharynx, larynx, & thyroid |
|
|
Subdivisions of the Anterior Triangle of the Neck
|
-Submental tri: midline (not bilat, only 1) ant. belllies of digastric, hyoid
-Submandibular (digastric) tri: ant/post. bellies of digastric & mandible -Carotid: SCM, sup. belly of omohyoid, post belly of digastric -muscular (omotracheal): sup belly of omohyoid, SCM, sternohyoid |
|
|
Muscles of the Anterior Triangle
|
Table
|
|
|
Prevertebral Muscles of the Neck
|
Table
|
