Medicine — Stress Response (HPA Axis)

{
  "elements":[
    {"data":{"id":"stress","label":"Stressor"}},
    {"data":{"id":"hyp","label":"Hypothalamus"}},
    {"data":{"id":"pit","label":"Pituitary"}},
    {"data":{"id":"adr","label":"Adrenal cortex"}},
    {"data":{"id":"cort","label":"Cortisol"}},
    {"data":{"source":"stress","target":"hyp"}},
    {"data":{"source":"hyp","target":"pit","label":"CRH"}},
    {"data":{"source":"pit","target":"adr","label":"ACTH"}},
    {"data":{"source":"adr","target":"cort"}},
    {"data":{"source":"cort","target":"hyp","label":"negative feedback"}}
  ],
  "layout":{"name":"circle"}
}