L9: Thyroid gland Flashcards
what is produced by the thyroid gland ?
T3 and T4
What mineral does the thyroid gland require to function ?
iodine
what is the false capsule ?
thin structure on posterior aspect of the thyroid gland that is derived from pre-tracheal layer
what forms the suspensory ligament of berry ?
false capsule
what structures is the apex of the thyroid gland related to ?
superior thyroid artery
external laryngeal nerve
what structures is the base of the thyroid gland related to ?
inferior thyroid artery
recurrent laryngeal nerve
ligation of the superior thyroid artery should be done _____ the gland during surgery .
close to
ligation of the inferior thyroid artery should be done _____ the gland during surgery
further away from
what structures are antero-lateral to the thyroid gland ?
sternocliedomastoid
sternohyoid
superior belly of omohyoid
what structures are postero-lateral to the thyroid gland ?
carotid sheath
what structures are medial to the gland ?
esophagus
trachea
cricothyroid
inferior constrictor
external laryngeal nerve
recurrent laryngeal nerve
what structure is responsible for joining the 2 lobes of the thyroid gland ?
isthmus
what is the arterial blood supply of the gland ?
superior and inferior thyroid arteries
what is responsible for the venous drainage of the gland ?
superior , middle , and inferior thyroid veins
what is responsible for the lymphatic drainage of the gland ?
pre-vertebral
pre tracheal
jugulodigastric
–groups of lymphnodes
