Thyroid Flashcards
1
Q
What surround the thyroid
A
Connective tissue capsule
2
Q
What extends from the capsule into the parenchyma
A
Trabeculae
3
Q
What does the parenchyma of the thyroid contain
A
Follicles lined by simple epithelium of cuboidal or squamous cells
4
Q
What is the product in the lumen of the thyroid follicles
A
Colloid
5
Q
When the thyroid gland is stimulated by TSH what happens
A
Follicular cells become cuboidal or columnar
6
Q
What are parafollicular cells
A
Cells between follicular cells with larger nuclei and are lighter, fuzzier
Parafollciular cells produce calcitonin
7
Q
In a normal aging thyroid, what might you find
A
Lymphocyte infiltration