A transverse section of the adult spinal cord shows white matter in the periphery, gray matter inside, and a tiny central canal filled with CSF at its center. Surrounding the canal is a single layer of cells, the ependymal layer.
Cortisol is commonly referred to as the stress hormone.. The hormone is secreted by the adrenal glands and released into the bloodstream as a fight or flight response to stress. The highest quantities of cortisol are produced in the early morning hours and then production slowly tapers off throughout the day.
Cortef (hydrocortisone, cortisol) is a hormone made in the adrenal gland. It is prescribed in. physiologic doses (doses made by the adrenal gland under normal conditions) for symptoms. of low cortisol or adrenal insufficiency. Symptoms of cortisol deficiency include: ï· Fatigue, especially in the afternoon.