Podcast
Questions and Answers
What is the characteristic that distinguishes the thyroid gland from other endocrine glands?
What is the characteristic that distinguishes the thyroid gland from other endocrine glands?
- It stores its secretion intra-cellularly as secretory granules.
- It produces only one type of hormone.
- It stores a large quantity of its secretion extracellularly as colloid. (correct)
- It is the only endocrine gland that is bi-lobed.
What is the function of the parafollicular cells (C-cells) in the thyroid gland?
What is the function of the parafollicular cells (C-cells) in the thyroid gland?
- They produce thyroid hormones. (correct)
- They regulate the activity of follicular cells.
- They produce parathyroid hormones.
- Their function is still unknown.
What is the shape of the thyroid follicle?
What is the shape of the thyroid follicle?
- Spherical (correct)
- Flat
- Cuboidal
- Columnar
What happens to the shape of follicular cells when they are highly active?
What happens to the shape of follicular cells when they are highly active?
What is the material that fills the cavity of the thyroid follicle?
What is the material that fills the cavity of the thyroid follicle?
What is the primary function of thyrocalcitonin secreted by parafollicular cells?
What is the primary function of thyrocalcitonin secreted by parafollicular cells?
What is the component of the stroma of the thyroid gland that provides support to the thyroid follicles?
What is the component of the stroma of the thyroid gland that provides support to the thyroid follicles?
What is the effect of triodothyronine (T3) on the rate of metabolism?
What is the effect of triodothyronine (T3) on the rate of metabolism?
What is the role of the pituitary gland in regulating thyroid hormone secretion?
What is the role of the pituitary gland in regulating thyroid hormone secretion?
What is the function of parathyroid hormone secreted by chief cells?
What is the function of parathyroid hormone secreted by chief cells?
What is the primary characteristic of oxyphil cells in the parathyroid gland?
What is the primary characteristic of oxyphil cells in the parathyroid gland?
What is the relationship between T3 and T4 in terms of activity?
What is the relationship between T3 and T4 in terms of activity?
What is the characteristic of the cells in the zona reticularis?
What is the characteristic of the cells in the zona reticularis?
What is the primary function of chromaffin cells in the suprarenal medulla?
What is the primary function of chromaffin cells in the suprarenal medulla?
What is the characteristic of the mitochondria in steroid-secreting cells?
What is the characteristic of the mitochondria in steroid-secreting cells?
What is the main difference between the suprarenal cortex and medulla?
What is the main difference between the suprarenal cortex and medulla?
What is the characteristic of the lipid droplets in steroid-secreting cells?
What is the characteristic of the lipid droplets in steroid-secreting cells?
What is the primary feature of the zona reticularis?
What is the primary feature of the zona reticularis?
