direct control of the nervous system
Extrinsic Regulation
d.
Local responce is a small change in membrane potential caused by a subthreshold stimulus.
stimulus
Some of the possible common medical causes of Hormonal changes may include: Menopause Menarche Menstrual cycle Lactation Pregnancy Premature menopause Precocious puberty Gonadal agenesis Some of the less common causes of Hormonal changes may include: Polycystic ovarian syndrome (PCOS) Thyroid dysfunction Adrenal Fatigue Low body fat Ovarian cysts or tumors Hormone supplements Hereditary abnormalities Chronic diseases Hypothyroidism Hyperthyroidism Prolactionoma Ashermann syndrome Turner's syndrome
stimulus
Stimuli are things in the environment that cause change. A reaction to a change in the environment is a reaction to a stimulus.
A stimulus is a change inside or outside your body that brings a response.
A response is an action of change in behavior that occurs as a result to a stimulus. The stimulus can be either internal or external.
The change is actually a stimulus and when the organism reacts to the stimulus, it becomes a response. Overall, The answer is a stimulus.
It depends on which type of hormonal change
The effector will act to counter the stimulus.