What is the composition of each thyroid follicle?

What is the composition of each thyroid follicle?
  1. Follicular cells and a cavity
  2. Stromal tissues and a cavity
  3. Follicular cells and stromal tissues
  4. A cavity and an isthmus

Solution

Each thyroid follicle is composed of follicular cells, enclosing a cavity.

Asked in: NCERT

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