Question

Cells of the adrenal medulla are derived from same embryonic cells as those from

Answer 1

The 2 adrenal glands (suprarenal gland, glandulæ suprarenales) are named by their anatomical postion sitting above the 2 kidneys (renal). The 2 main parts of the adrenals have different embryonic origins. The inside core adrenal medulla is neural crest in origin. Mesenchyme surrounding these cells differentiates to form a fetal cortex. This fetal cortex is later replaced by the adult cortex. The outside adrenal cortex is derived from mesothelium and can be further divided into 3 distinct layers (zona reticularis, zona fasiculata, zona glomerulosa) each with distinct hormonal functions
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