Term
| muscles of facial expression are innervated by: |
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Definition
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Term
| muscles of facial expression are derived from the ___ ___ ___. |
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Definition
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Term
| the occipitofrontalis muscle is a differential stroke indicator. Explain. |
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Definition
with a stroke this muscle still works so can still raise forehead
with bell's palsy this muscle won't work |
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Term
| Bell's Palsy is a ___ ___ ___ lesion. So what will happen: |
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Definition
lower motor neuron lesion
- entire side of face of the affected side will lose motor function |
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Term
| A stroke is an ___ ___ ___ lesion in the ____ ____, so the ___ ___ is spared since both hemispheres contribute to innervation of forehead, the uninjured side can compensate. |
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Definition
- upper motor neuron
- premotor cortex
- upper face |
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Term
| orbicularis oculi action: |
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Definition
- closes eyelid
- weakness can cause eye to dry out causing conjuctivitis or cornea damage |
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Term
| what muscles create the nasolabial folds: |
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Definition
| zygomatic major and minor |
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Term
| what muscle is weakened after a stroke, resulting drooling? |
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Definition
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Term
| The buccinator muscle does what and is classifed as what: |
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Definition
| - keeps food in between teeth for chewing, but considered muscle of facial expression b/c of embryological origin |
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Term
| The buccinator muscle attaches to the __ ___ ___ at the ____ _____. |
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Definition
| - superior pharyngeal constrictor at the pterigomandibular rhappe |
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Term
| muscles of mastication originate from the ___ ____ ___. |
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Definition
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Term
| mastication muscles are innervated by what? |
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Definition
| - CNV3,trigeminal nerve- mandibular division- motor component |
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Term
| 4 main muscles of mastication: |
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Definition
- masseter
- temporalis
- medial pterygoid
- lateral pterygoid |
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Term
| 4 accessory mastication muscles: |
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Definition
- tensor tympani
- tensor vali palatini
- anterior belly of digastric
- mylohyoid |
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Term
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Definition
- closes jaw
- elevates and retracts jaw |
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Term
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Definition
- closes jaw
- elvates and protudes jaw |
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Term
| lateral pterygoid muscle : |
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Definition
- opens jaw
- depresses and protudes jaw |
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Term
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Definition
- closes jaw
- elevates and protudes jaw |
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Term
| what is the only muscle of mastification that opens the jaw: |
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Definition
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Term
| what muscles of mastification close the jaw: |
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Definition
- temporalis muscle
- masseter muscle
- medial pterygoid muscle |
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Term
| what is the only muscle of mastification that elevates and retracts the jaw? |
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Definition
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Term
| What muscles of mastification elvate and protude the jaw? |
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Definition
- masseter
- medial pterygoid |
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Term
| boundaries of neck region: |
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Definition
mental process of mandible
lower border of the mandible
external occipital protuberance
C7 spinous process
acromion
jugular notch of manubrium |
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Term
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Definition
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Term
| suprahyoid muscles and action: |
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Definition
- digastric
- mylohyoid
- geniohyoid
- stylohyoid
action: elevate hyoid and larynx during swallowing |
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Term
| Geniohyoid is right under ____. |
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Definition
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Term
| stylohyoid innervated by: |
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Definition
- facial nerve VII
- posterior digastric nerve |
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Term
| Infrahyoid muscles and actions: |
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Definition
- thyrohyoid
- omohyoid
- sternothyroid
- thyrohyoid
actions: depress hyoid bone and larynx |
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Term
| sternocleidomastoid action: |
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Definition
- rotates head to opposite side
- flexes and depresses head to same side |
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Term
| what muscles can cause numbness and tingling in the arm and why? |
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Definition
| - scalenes, b/c if they get tight they clamp down on brachial plexus and cause problems |
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Term
| muscles of the deep neck: |
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Definition
- anerior scalene
- middle scalene
- posterior scalene
- levator scapulae |
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Term
| Anterior cervical triangle boundaries (ACT triangle): |
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Definition
- anterior: midline plane
- inferior: anterior border of SCM
- superior: lower border of mandible |
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Term
| There are 2 triangles within the ACT. remember there is one ACT on each side of neck, |
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Definition
- Submental triangle
borders:
- 2 anterior bellies of digastric
muscle
- hyoid bone body
contents:
- lymph nodes
- small veins that make up anterior
jugular vein |
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Term
| you have __ submental triangle but ___ muscular triangles. |
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Definition
one submental triangle
two muscular triangles |
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Term
| Muscular triangle borders and contents: |
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Definition
Borders:
- omohyoid
- sternocleidomastoid
- midline
Contents:
- infrahyoid muscles
- thyroid gland
- parathyroid glands |
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Term
| Submandibular triangle borders and contents: |
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Definition
- lower border of mandible
- anterior and posterior bellies of digastric
Contents:
- submandibular gland
- CN XII- hypoglossal nerve
- parts of facial artery, vein and nerve to mylohyoid |
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Term
| Carotid triangle borders and contents: |
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Definition
Borders:
- omohyoid
- SCM
- posterior belly of digastric
Contents;
- common carotid artery
- vagus nerve
- internal jugular vein |
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Term
| you have ___ submandibular triangles and ___ carotid triangles. |
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Definition
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Term
| postserior cervical triangle contents: |
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Definition
posterior: trapezius
anterior: sternocleidomastoid
inferior: clavicle |
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Term
| there are _ anterior triangles, and _ posterior triangles. |
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Definition
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Term
| Occipital triangle borders and contents: |
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Definition
Borders:
- trapezius
- sternocleidomastoid
- omohyoid
Contents:
- CNXI Accessory nerve |
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Term
| Omoclavicular triangle aka subclavian triangle: |
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Definition
borders:
- omohyoid
- SCM
- clavicle
contents:
- external jugular vein
- subclavian artery |
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Term
| there are three pharyngeal constrictors, superior, middle, inferior. |
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Definition
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Term
| The common carotid artery splits into ___ carotid and ___ carotid arteries. |
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Definition
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Term
| the internal carotid artery has __ branches in the neck. |
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Definition
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Term
| the external carotid artery has __ branches in the neck. |
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Definition
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Term
| What are the branches of the external carotid artery? |
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Definition
Some Angry Lady Figured Out PMS. (starting inferiorly and going up)
- superior thyroid artery
- ascending pharyngeal artery
- lingual artery
- Facial artery (last one you can see in lab)
- Occipital artery
- Posterior auricular artery
- Maxillary artery
- Superficial temporal artery
- |
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Term
| the maxillary artery is found in the ____ fossa. |
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Definition
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Term
| facial vein is a direct continuation of the ___ vein. |
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Definition
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Term
| the internal jugular artery is in the ___ sheath. |
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Definition
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Term
| external jugular artery is on top of ____. |
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Definition
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Term
| anterior branch of retromandibular vein joins up with ___ vein, while the posterior branch of the retromandibular vein joins up with ___ ___ vein. |
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Definition
- facial vein
- posterior auricle vein |
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Term
| what nerve runs in the carotid sheath? |
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Definition
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Term
| is the vagus nerve motor or sensory |
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Definition
|
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Term
|
Definition
- Vagus nerve CNX
- Phrenic nerve C3, C4, C5
- Ansa cervicalis
- Great auricular nerve
- Facial nerve CN VII
- Spinal Accessory nerve XI
- Hypoglossal nerve CN XII |
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Term
| phrenic nerve is what nerve roots and what is its function? |
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Definition
- C3, C4, C5, keep the diaphragm alive
- motor to the diaphragm |
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Term
| where can you see the phrenic nerve? |
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Definition
| running across anterior scalene |
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Term
| Ansa cervicalis nerve roots and function: |
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Definition
superior root: C1
inferior root: C2, C3
supplies strap muscles |
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Term
| where can you find ansa cervicalis? |
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Definition
| - nerve loop imbedded in or on top of the carotid sheath |
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Term
| function of spinal accessory nerve XI: |
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Definition
| motor to trapezius and sternocleidomastoid |
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Term
|
Definition
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Term
| So if you knock out nerves roots C2 and down, will have to be on ____ b/c: |
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Definition
| - repirator b/c knocked out phrenic nerve which allows for motor function of diaphragm |
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Term
| where can you find great auricular nerve: |
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Definition
| - comes out under SCM and ascends toward the ear |
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Term
|
Definition
- motor to muscles of facial expression
- supplies salivary glands |
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Term
|
Definition
To Zanzabar By Motor Car Please.
- Temporal
- Zygomatic
- Buccal
- Marginal mandibular
- Cervical
- Post auricular |
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Term
| parotid gland is innervated by: |
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Definition
- Facial nerve VII
- Glossopharyngeal nerve IX via Auriculotemporal nerve |
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Term
| parotid duct pierces __ muscle and opens opposite ___ ___ ____. |
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Definition
buccinator
2nd maxillary molar |
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Term
| submandibular salivary gland innervation: |
|
Definition
|
|
Term
| Sublingual salivary duct innervation: |
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Definition
|
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Term
|
Definition
Idiopathic facial paralysis
CN VII
Hemi-paralysis
Affects muscles of facial expression
Caused by trauma, cold or sometimes viruses |
|
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Term
|
Definition
“Wry neck”
Congenital
Shortening or excessive contraction of scm
Damaged at birth or caused by faulty genes
Acquired
Tumors, antidepressants, problems with C1, C2 joints, infections |
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