Anatomy of the neck
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| The laryngeal prominence is more commonly called... | show 🗑
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| show | Hyoid bone
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| show | R/L lobe and isthmus
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| The parathyroid glands are located on the __ surface of the thyroid gland | show 🗑
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| The thyroid gland is deep to what muscles? | show 🗑
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| The lobes of the thyroid gland are ____ to the trachea and larynx | show 🗑
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| show | Metabolism, growth,temperature regulation, secretion of T3 and T4
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| How many parathyroid glands are there? | show 🗑
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| What are the endocrine functions of the parathyroid glands? | show 🗑
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| What are the three sections of the pharynx? (superior to inferior) | show 🗑
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| What muscles wrap around the pharynx, superficially? | show 🗑
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| show | CN 10 (vagus nerve)
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| show | Pharynx, trachea
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| What nerve innervates the intrinsic muscles of the larynx? | show 🗑
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| What 2 branches of the vagus nerve (CN 10) supply the larynx? | show 🗑
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| show | The inferior laryngeal nerve
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| What does the inferior laryngeal nerve innervate? | show 🗑
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| What condition would result from a lesion of either the recurrent laryngeal nerve or the inferior laryngeal nerve? | show 🗑
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| show | Cricoid cartilage
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| show | The esophagus
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| show | 1st third (striated; voluntary), 2nd third (smooth and striated), 3rd third (smooth; involuntary)
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| What nerve, if damaged, could cause a person's voice to change? | show 🗑
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| What areas does the lymphatic system drain? | show 🗑
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| Platysma (inf, sup, N, Act) | show 🗑
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| show | Inf: sternal head – anterior manubrium
clavicular head –medial 1/3 clavicle
Sup: mastoid process, lateral ½ superior nuchal line of occipital bone
N: CN 11
A: Unilateral- ipsilateral lat. flex. and CONTRLATERAL rotation
bilateral – flexes neck
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| show | Head forward posture, referred pain in head (muscle tension headaches)
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| show | Sternohyoid, sternothyroid, omohyoid
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| Sternohyoid (inf, sup, N, Act) | show 🗑
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| show | Inf: oblique line of thyroid cartilage
Sup: body and greater horn of hyoid
N: (VPR) C1 via CN XII (hypoglossal nerve)
A: depresses hyoid and elevates thyroid cartilage
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| show | Inf: posterior manubrium of sternum
Sup: oblique line of thyroid cartilage
N: ansa cervicalis
A: depresses the thyroid cartilage (larynx)
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| Omohyoid (inf, sup, N, Act) | show 🗑
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| show | Sup: mylohyiod line of mandible
Inf: raphe and body of hyoid
N: mylohyoid n (CN5)
A: elevates hyoid and tongue and during speech and swallowing
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| show | Sup: inferior mental spine of mandible
Inf: body of hyoid
N: branch of C1 via CN 12 (hypoglossal nerve)
A: pulls hyoid anterosuperiorly (widens pharynx during deglutition/swallowing)
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| show | Sup: Styloid process of temporal bone
Inf: body of hyoid
N: CN 7 (facial nerve - cervical branch)
A: elevates and retracts hyoid (elongates floor of mouth)
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| show | O: Anterior belly – digastric fossa of mandible
Posterior belly – mastoid notch of temporal bone
I: intermediate tendon to hyoid
N: Anterior belly – mylohyoid n (CN 5)
Posterior belly – CN 7
A: depresses mandible, elevates hyoid
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| show | Brachial plexus
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| What are the actions of the scalenes muscles? | show 🗑
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| show | TPs of cervical spine (sup), 1st rib (inf)
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| Scalenus medius attaches to... | show 🗑
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| Scalenus posterior attaches to... | show 🗑
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| show | The scapular region / UE
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| show | Prevertebral muscles (deep neck flexors)
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| show | Neck dysfunction, pain, cervical instability
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| Boundaries of posterior triangle... | show 🗑
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| show | Veins: EJV
Ateries: transverse cervical artery, subclavian artery, suprascapular artery
Nerves: brachial plexus, CN 11, cutaneous branch of CP
Muscles: omohyoid (inf belly), med/post scalenes, levator scapla, splenius capitus
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| show | Medial/posterior scalenes, levator scapula, splenius capitus
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| show | Inferior belly of omohyoid
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| The 2 subdivisions of the posterior triangle are called... | show 🗑
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| show | Lat: SCM
Med: midline
Sup: mandible
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| show | Superior
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| The supraclavicular triangle is ___ to the inf. belly of the omohyoid | show 🗑
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| Contents of the anterior triangle... (muscles) | show 🗑
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| show | anterior and posterior bellies of digastric m, mandible
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| Submandibular triangle (aka digastric triangle) - Contents | show 🗑
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| show | superior belly of omohyoid, posterior belly of digastric, anterior border of SCM
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| show | CCA, ECA,
IJV
CN 10, 11, 12, ansa cervicalis, branches of cervical plexus
Thyroid, larynx, pharynx
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| Muscular triangle - Boarders | show 🗑
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| show | Infrahyoid muscles, thyroid and parathyroid glands
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| Submental triangle - Boarders | show 🗑
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| Submental triangle - Contents | show 🗑
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| show | Superficial
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| What are the 3 branches of the external carotid artery (ECA)? | show 🗑
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| show | the eye socket
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| EJV and cutaneous nerve are ___ to SCM | show 🗑
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| show | deep
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