 |
| Previous Image | Next Image |
| Description: The hypothalamic–pituitary–adrenal (HPA) axis involves the hypothalamus, which regulates the release of corticotropin-releasing hormone (CRH), which in turn stimulates the release of adrenocorticotropic hormone (ACTH) from the pituitary. ACTH in turn stimulates the release of cortisol from the adrenal glands. The locus coeruleus–norepinephrine (LC/NE) system evokes the release of epinephrine and norepinephrine, which leads to sympathetic responses from target organs (heart, gastrointestinal system, lungs, etc.). At the top, stimuli flow to C N S, which flows into 2 paths as follows: 1. To H P A axis, to hypothalamus, to C R H, to pituitary gland, to A C T H, to adrenal cortex, to cortisol, to target organs 2. To L C slash N E, to adrenal medulla, to N E and E, to target organs Picture Stats: Views: 19 Filesize: 134.61kB Height: 1839 Width: 864 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=49639 |