Sulfa-tetradine deposits out in the endocrines, so a single dose is all a person can take.
Some day we shall have the proverb: 'A man is as old as his endocrines.'
"secretly, internally," 1914, from endo- + Latinized form of Greek krinein "to separate, distinguish" (see crisis).
endocrine en·do·crine (ěn'də-krĭn, -krēn', -krīn')adj.
Secreting internally, most commonly into the systemic circulation.
Of or relating to endocrine glands or the hormones secreted by them.
The secretion of an endocrine gland.
An endocrine gland.