Flashcards in Neck 9/27/16 Deck (70):
what are the bones of the neck?
What is the function of the hyoid bone?
What is the outermost layer of the neck?
What is the fascial layer below the skin of the neck?
Superficial cervical fascia
What muscle do you find in the superficial cervical fascia?
What fascial layer do you find below the superficial cervical fascia?
How many fascial layers are within the deep fascia?
What are the four deep fascial layers?
What is the first deep layer fascia?
What two muscles do you find in the investing fascia?
What is a second layer near the front of the neck that you find below the investing fascia?
What nerve innervates the trapezius and SCM muscles?
The spinal accessory nerve
What do find in the pretracheal fascia?
What are the three components of the pretracheal fascia?
What deep fascial layer do you find behind the pretracheal fascia?
What do you find in the prevertebral fascia?
-Deep cervical muscles (Splenius/semispinalus)
-Levator Scapulae muscle
-Longus Coli muscle
What do you find in the anterior direction of the prevertebral fascia?
What is the sympathetic trunk found in?
The prevertebral fascia between the alar fascia and the prevertebral fasica
What are the two danger spaces?
What is the deep fascial layer that contains that IJV, Carotid artery, and the vagus nerve?
Where does the cervical plexus come from?
Ventral rami of C1-C4/C5
What three general things does the cervical plexus innervate?
What are the four cutaneous nerves from the cervical plexus?
-Lesser Occipital nerve
-Great Auricular nerve
-Transverse cervical nerve
Where does the less occipital nerve come from?
Where does the great auricular nerve come from?
Where does the transverse cervical nerve come from?
Where does the supraclavicular nerve come from?
Where does the Internal carotid artery serve?
What are two distinct features on the internal carotid artery?
What is unique about the carotid sinus?
It contains baroreceptors to sense pressure
Where do you find the carotid body?
On the inside side of the carotid sinus
What is unique about the carotid body?
It contains chemoreceptors
What nerve sends the information received by the carotid body?
How many branches does the external carotid artery have coming off of it?
What is the first branch off of the external carotid artery?
Superior thyroid artery
What is the second branch off of the external carotid artery?
Ascending pharyngeal artery
What is the third branch off of the external carotid artery?
What is the fourth branch off of the external carotid artery?
What is the fifth branch off of the external carotid artery?
What is the sixth branch off of the external carotid artery?
What are the last two branches (terminal branches of the external carotid artery?
What does the internal jugular vein drain?
Brain and Face
What does the external jugular vein drain?
Which vein allows blood to anastamoses with the external or internal jugular vein?
Which vein would you drain into if both the retromandibular blocked the internal and external jugular veins?
Pterygoid plexus into the cavernous sinus
What muscles elevate the hyoid bone and larynx but can also help depress the mandible?
Which belly of the digastric muscles are innervated by cranial nerve V branch 3?
Which belly of the digastric muscles are innervated by cranial nerve VII?
What innervates the stylohyoid muscle?
Facial nerve CN VII
What innervates the mylohyoid muscle?
CN V branch 3
What is the function of the mylohyoid muscle?
Elevate base of tongue and floor of mouth
What is the function of the longus coli muscle?
Flex the neck
Which part of the scalene muscles attach to the 1st transverse process?
Which part of the scalene muscles attach to the 2nd transverse process?
How many muscles are in the infrahyoid muscles?
What are the 5 infrahyoid muscles?
-Omohyoid (superior head)
-Omohyoid (Inferior head)
What are the borders of the posterior triangle of the neck?
What fascial layer makes up the roof of the posterior triangle?
-Deep investing fascia
What fascial layer makes up the floor of the posterior triangle?
What do you find in the posterior triangle?
-External jugular vein
What are the four triangles of the anterior triangle?
What are the borders of the muscular triangle?
-superior belly omohyoid
What do you find in the muscular triangle?
What are the borders of the submental triangle?
What are the borders of the submandibular triangle?
What branches off of the subclavian artery?
What branches off of the thyrocervical trunk?
-Ascending cervical (really branches off of the inferior thyroid)
What do you find in the submandibular triangle?
-Submandibular gland and lymph nodes
-Lingual and facial arteries
What are the borders of the carotid triangle?