The thyroid gland is composed of

  1. Nodules
  2. Follicles and Stromal tissues
  3. Graafian follicles
  4. Neurosecretory cells

Answer

2. Follicles and Stromal tissues

The thyroid gland is composed of follicles and stromal tissues. Each thyroid follicles is composed of follicular cells, enclosing a cavity. The follicular cells synthesize two hormones – Tetraiodothyronine or thyroxine (T4) and triiodothyronine (T3).

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