Triangles of the neck
mandible, ant & post bellies of digastric
what is submandibular triangle?
Endocrine function of the thyroid gland.
what is release of thyrotoxins and calcitonin?
blood supply of PTH glands
what is inferior thyroid a?
enlargement if the thyroid due to iodine deficiency
what is goiter?
Bonus: what can compressed by a goiter?
This structure is innervated by CN IX and is important fir regulation of respiration rates.
what is the carotid body?
category of muscles that elevate the hyoid bone and depress the hyoid bone
what is suprahyoid & infrahyoid?
Incomplete descent through thyroglossal duct leads to 50% of population to have this structure.
what is pyramidal lobe?
3 complications of thyroidectomy
hypothyroidism, injury to recurrent laryngeal n, hemorrhage of vessel
you cannot live without these 2-4 structures of thyroid gland
what is parathyroid?
contents of carotid sheath medially to laterally.
what is CCA, Vagus, and IJV?
infrahyoid muscle innervation
what is ansa cervicalis?
Location of thyroid
deep to strap muscles at C5-T1 level
rib elevation (inspiration); lateral flexion; cervical plexus
what is the action and innnervation of the scalene muscles?
Bonus: what is their insertion site?
This vasculature ascends spine passing through the transverse formamina of C1-C6 and enters skull via foramen magnum, supplies brain.
what is vertebral artery?
This structure drains intracranial blood and merges withe subclavian v to form brachiocephalic v to form the venous angle.
what is the IJV?
Bonus: role of EJV
name the boundaries of the muscular triangle.
what is SCM, sup belly of omohyoid, midline of neck?
3 blood supplies of thyroid gland
Superior thyroid a.
Inferior thyroid a.
10% of population Thyroid ima a.
what part of subclavian a. lies behind middle scalene?
2nd part
supples thyroid gland, larynx, trachea, esophagus
what is inferior thyroid artery
this structure drains the right side of head/neck, right upper limb, and right side of thorax.
what is R lymphatic duct?
Bonus: name what drains everything else
SALFOPSM
what are the branches if the external carotid a?
Bonus: can you name them?
what can be injured during a tracheotomy?
thyroid ima a.
This syndrome can be due to compression of subclavian a and brachial plexus by the interscalene triangle.
what is thoracic outlet syndrome (scalene syndrome)-->compression leads to neuropathy that can lead to paresthesia and decreased blood flow via subclavian to UE.
these 8 structures make up the content of the root of the neck
carotid sheath + contents
Scalene muscles
Phrenic, vagus, recurrent laryngeal
Brachial plexua
sympathetic trunk
Subclavian vesselsapex of lungs
trachea/esophagus
Swellin go tissues due to damage or blocked lymph vessel
what is lymphedema?