Atlas of plant and animal histology

Choose true or false. Each right answer scores 1, and each wrong answer scores -1. Not answered questions score 0.

1) A common feature of endocrine structures and organs is that they release hormones.

2) Hormones may be classified as soluble or amphipathic.

3) The diffuse endocrine system is a set of individual hormone-releasing cells scattered through the body.

4) The hypothalamus is the main center that regulates the whole endocrine system.

5) The oxytocin hormone is released by the hypothalamus.

6) The hypophysis is divided into a reticulated and a basolateral region.

7) The hypophysis releases the growth hormone.

8) The pineal gland is found in the hypothalamus.

9) Melatonin is released by the thyroid.

10) Thyroid follicles store T3 and T4 hormones.

11) The PTH hormone is released from the parathyroid gland.

12) Adrenal glands are divided into regions that release different hormones.

13) Sertoli cells of the testis release the follicle-stimulating hormone.

14) The thymus releases hormones that influence the immune system.

15) The pancreas produces insulin in the pancreatic acini.

16) All endocrine cells are present as part of endocrine glands.

F-1) Arrows point to the hypothalamus.

F-2) The arrow points to the neurohypophysis.

F-3) Arrows indicate the parafollicular cells.

F-4) The lines enclose the fasciculated zone of an adrenal gland.

F-5) Arrows point to Langerhans islets.