mascot of pituitary announcing new products on a megaphone

adrenal adrenocorticotropin anatomy biology bullhorn cartoon character chemistry concentration corticotropin cortisol cute education emoticon emotion endocrine endocrinologist endocrinology expression function funny happy hormonal hormone human hypothalamic hypothalamus illustration loudhailer loudspeaker mascot medical medicine megaphone norepinephrine pituitary science scientific scream screaming secretion shout smile speaker structure system testosterone vector yell