There are cortical and medullary substances separated by connective tissue layer in the endocrine gland specimen. Parenchyma cells make up three zones in cortical substance, with rounded masses in the superficial zone, parallel chords in the middle one, reticular structure of cell chords in the deep one. What gland is it?
- A Thyroid gland
- B Adrenal gland
- C Hypothalamus
- D Pituitary gland
- E Epiphysis
Правильна відповідь: B. Adrenal gland
Пояснення
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