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An old name for a new science
Black Box Analysis of Systems
An Engineer Looks at Biocybernetics Continued
7 other sections not shown
ACTH ACTH concentration activity adrenal blood adrenal cortex adrenal gland adrenalectomy adrenocortical amplitude animals basal binding biological black box blood flow brain cells chapter cholesterol closed loop completely constant corticoid corticosterone concentration cortisol CRF neurons curve cybernetics DBM's derived dexamethasone dynamic effect elements equation evidence experimental experiments feedback control system feedback system glucocorticoid glucocorticoid levels hormone hypothalamus hypothesis implants impulse response inhibition injection input signal laboratory laparotomy linear loop system means mechanism median eminence metabolism molecules negative feedback neural neurons non-linear open loop organism oscillations output parameters pathway peripheral physiological pituitary adrenal system plasma corticosterone levels pregnenolone protein quantities rats relation saturation secretion rate shown in Fig sinusoidal Smelik steady step increase step response steroidogenesis stress response stress stimuli structure synthesis systems analysis technique theory tion transcortin transfer function ug/min Ur(s Urquhart vasopressin Yates