Thyroid Gland Flashcards
the isthmus is at the level of ___ tracheal rings
2nd, 3rd, 4th
The base of the thyroid gland is at the level of what tracheal rings
4th or fifth
the pyramidal lobe is usually seen ___ of midline
right/left
left
What muscular band that frequently connects the pyramidal lobe to the hyoid bone
Levator Glandulae Thyroidea
The hyoid bone is at the level of what cervical vertebra?
C3
The thyroid cartilage is at the level of?
C4
The cricoid cartilage is at the level of what cervical vertebra?
C6
The superior thyroid artery is a branch of ___
ECA
the inferior thyroid artery is a branch of the?
Thyrocervical trunk
The superior thyroid vein drains to the ___
IJV
The middle thyroid vein drains to the
IJV
The inferior thyroid vein drains to the
brachiocephalic vein
what artery supplies the isthmus (this is not usually seen)
Thyroid IMA artery
The thyroid artery arises from ___
- Aortic arch
2. Brachiocephalic trunk
[Thyroid gland embryology]
The thyroid gland develops how many days after fertilization
24 days
the primordial pharynx forms a small outpouching called
Thyroid diverticulum
[Thyroid gland embryology]
what connects the developing thyroid gland and the tongue
thyroglossal duct