Photo taken by Theresa Carrera (100x)
Photo taken by Dr. W. Coons (100x)
I think this gland looks like “swimming pools” of colloid surrounded by follicle cells. Some of my students tell me that the follicles look like the fasicles in a steak. Other students tell me the thyroid looks like a cobblestone street.
Photo taken by Theresa Carrera (400x)
The black circle indicates a follicle: a a small secretory sac or cavity. The follicle cells make up the secretory sac containing the colloid. Between the follicles are the parafollicular cells.
ADRENAL GLAND (SUPRARENAL)
PITUITARY GLAND (HYPOPHYSIS)
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