Zona glomerulosa in the adrenal cortex of the horse

Organ: Adrenal, Tissue: Zona glomerulosa, Species: Horse. Comments: The cells in the zona glomerulosa are arranged in high arcs. The white spaces are separation artifacts. The main product of this zone is aldosterone, a mineralocorticoid that helps to maintain he body’s electrolytes. Cells of the zona fasciculata are also included in the picture.