Question

question 4
1 pts
largest purely endocrine gland in the body.
hypophysis
adrenal gland
thymus gland
thyroid gland
pancreas

question 5
1 pts
region of the hypophysis that contains secretory endocrine cells derived from the oral ectoderm.
infundibulum
pars tuberalis
adenohypophysis
tuber cinerum
neurohypophysis

Explanation:

• Question 4: The thyroid gland is the largest purely endocrine gland in the body. The hypophysis (pituitary gland) has both endocrine and neural connections in some parts. The adrenal gland is smaller than the thyroid. The thymus gland has a role in the immune system in addition to some endocrine functions in early life. The pancreas is both an endocrine (islets of Langerhans) and exocrine (acinar cells secreting digestive enzymes) gland.
• Question 5: The adenohypophysis (anterior pituitary) contains secretory endocrine cells derived from the oral ectoderm. The infundibulum is a stalk - like structure connecting the hypothalamus to the pituitary. The pars tuberalis is a part of the adenohypophysis but is a smaller region. The tuber cinereum is part of the hypothalamus. The neurohypophysis (posterior pituitary) is derived from neural ectoderm.

Answer:

• Question 4: thyroid gland
• Question 5: adenohypophysis