a cartoon icon of pituitary with a exclamation sign board

adrenal adrenocorticotropin anatomy biology board bring cartoon caution character chemistry clue concentration corticotropin cortisol cute education emoticon emotion endocrine endocrinologist endocrinology expression forewarning function funny happy hormonal hormone human hypothalamic hypothalamus illustration mark mascot medical medicine norepinephrine pituitary science scientific secretion sign smile structure symbol system testosterone vector warning