Brockmann body is the main site for insulin synthesis. 

Pdx1 binding transcription binds to A5-boxes. It is a transcription factor necessary for pancreatic development, including β-cell maturation and duodenal differentiation.

Secretion of parathyroid hormone (PTH) is influenced by serum calcium level. 

Dysfunction of Meibomian glands causes dry eyes.

Fundic gland's secretion (HCl) contains intrinsic factor that is required for the absorption of vitamin B12.

Epinephrine cannot be given orally because swallowed epinephrine is metabolised by catechol-o-methyltransferase in the wall of the gastrointestinal tract.

Tuberoinfundibulum (TIDA) neurons secrete dopamine that causes inhibition of prolactin secretion.

Oxytocin plays no role in cardiac arrest. It is not used for the treatment of cardiac arrest.

Oxytocin secreted by posterior pituitary increases the uterine contractions.

Angiotensin I is formed by the action of renin on angiotensinogen.

Thymus provides an environment for development of T-cells from hematopoietic progenitor cells. 

Rathke's pouch gives rise to the anterior pituitary (adenohypophysis) part of the pituitary gland.

Nest-like bodies called Hassall's corpuscles are found in thymus gland. 

Fenestrated capillaries allow small molecules and limited amounts of protein to diffuse and are present in the endocrine glands. 

Angiotensin stimulates the release of aldosterone from the adrenal cortex.