sweat gland. cross-section

anatomical anatomy apocrine armpit body care cell clear content cross dark dermatology dermis diagram duct eccrine endocrine epidermis epithelial fat follicle gland glands glomerulum hair health healthy human illustration layer lumen medical medicine merocrine muscle perspiration pinch pinched pore portions poster product releasing scheme science scientific sebaceous secretory section skin structure sweat sweating tissue vector vesicle vessel