Ключевые слова: abnormal, abnormality, adrenal, adrenal cortex, adrenal gland, adrenal medulla, anatomy, blood, cell, connective tissue, endocrine, endocrine gland, epithelia, epithelial, epithelial tissue, epithelium, exam, gland, glandular, health, healthy, histological, histology, hormone, human, human biology, human body, lamina propria, light micrograph, medicine, medulla, micrograph, microscope, microscopic, microscopy, mucosa, renal, science, secretory, stones, tissue, transitional epithelium, tumor, ureter, urinary, urinary bladder, urinary system, urology, urothelium, zona fasciculata,