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25 Cards in this Set
- Front
- Back
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What vertebral levels is the thyroid gland found at?
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C6-T1
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Where is the isthus of the thyroid gland found?
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Tracheal rings 2 or 3
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What are the major arteries to the thyroid gland?
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Superior and inferior thyroid
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What is the origin of the superior and inferior thyroid arteries?
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Superior thyroid from ECA
Inferior thyroid from thyrocervical trunk |
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What is the small artery that approaches the thyroid gland along the trachea?
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Thyroid ima
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Where can the thyroid ima arise from?
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Brachiocephalic trunk, aortic arch, R-CCA, subclavian, or internal thoracic
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What are the 3 veins that drain the thyroid?
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Superior
Middle and Inferior thyroid |
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What is the drainage of the 3 veins that drain the thyroid?
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Superior thyroid to IJV
Middle thyroid to IJV Inferior thyroid to brachiocephalic |
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What is the secretomotor (parasympathetic) innervation to the thyroid and parathyroid?
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There is NONE
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What type of innervation innervates the thyroid and parathyroid? What does this do?
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They are innervated by sympathetic fibers to the arteries of the gland. They are vasomotor NOT secretomotor.
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What controls secretion of the thyroid and parathyroid?
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Secretion of TSH from the pituitary gland
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Where are superficial cervical nodes generally clustered?
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Around the EJV and AJV
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What are the superficial cervical nodes?
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Occipital
Mastoid Pre-auricular and parotid Submandibular Submental |
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Where are deep cervical nodes generally found?
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Along the IJV
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What are the deep cervical nodes?
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Superior deep cervical nodes
Jugulodigastric node (tongue) Inferior deep cervical nodes Jugulo-omohyoid node (tongue) |
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transverse cervical artery nodes
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They are sentinal nodes that suggest metastasis of cancer, esp. breast cancer.
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jugular trunk drain?
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Head and neck
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subclavian trunk drain?
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Upper limb
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bronchomediastinal trunk drain
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Thorax and upper intercostals.
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Thoacic duct
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Posterior to carotid sheath
Lateral to esophagus Joins left subclavian vein Drains everything below the diaphragm |
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Lymph drainange right/left
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Right- to subclavian vein directly or via right lymphatic duct
Left- Join thoracic duct to subclavian vein |
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Dorsal scapular artery muscles
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Rhomboids
Levator scapulae |
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Suprascapular artery muscles
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Supra and infraspinatus
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Ascending cervical artery supply
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IV disc, neck mm. (longus colli), DRG, spinal nerves, spinal cord
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Deep cervical artery supply
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Transversus spinalis, radicular and segmental medullaries, erector spinae, spinalis
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