NEUROANATOMY - Head and Neck Glands Flashcards
1
Q
Where is the thyroid gland located?
A
anterior neck spanning C5-T1 vertebrae
2
Q
How many lobes does the thyroid gland have? What is it connected by?
A
Two lobes connected by central isthmus
3
Q
What is the arterial supply of the thyroid gland (3)
A
- Superior thyroid artery (external carotid branch)
- Inferior thyroid artery (branch of thyrocervical trunk from subclavian)
- Thyroidea ima artery (3% of people)
4
Q
What is the venous drainage of the thyroid gland (3)
A
- Superior thyroid vein (internal jugular/facial vein)
- Middle thyroid vein (internal jugular)
- Inferior thyroid vein (plexus draining into left brachiocephalic vein
5
Q
Where is the recurrent laryngeal nerve lie in proximity to?
A
Inferior thyroid artery - passes behind the middle part of the thyroid gland to enter the larynx