Freckle regular use of sunblock can inhibit their development. Liver spots (also known as sun spots and lentigines) look like large freckles, but they form after years of exposure to the sun. Liver spots are more common in older people. Freckle Freckles are clusters of concentrated melaninized cells which are most easily visible on people with a fair complexion. Freckles do not have an increased number of the melanin-producing cells, or melanocytes, but instead have melanocytes that overproduce melanin granules (melanosomes) changing the coloration of the outer skin cells (keratinocytes). As such, freckles are different from lentigines and moles, which are
Yellow-bellied marmot it is typically from September to May. Occasionally, they climb trees and other flora, though they are usually terrestrial. Yellow-bellied marmots are diurnal, and are less active during the night. They are omnivores, but generally eat a wide variety of plants, as they are generalist herbivores. They mostly feed on grass, grains, leaves, flowers, legumes, bird eggs, and insects. Occasionally, they are also known to eat fruits and bark of fruit trees. In food choice experiments, yellow-bellied marmots are known to reject plants containing defensive compounds. Due to this, they consume flowers of lupinus, larkspur, and columbine, but avoid their