Indusium: the case made by an insect larva: a membranous layer of the embryo of Locustidae below the serosa. Explanation of Terms Used in Entomology John. B. Smith. serosa: the outer membrane that envelops the forming embryo, the amnion and the remainder of the egg. Explanation of Terms Used in Entomology John.
In essence, your body forms an allergic reaction to stress. Unfortunately, stress can not be eliminated with histamine, so instead, the histamine just causes hives to appear on your face, neck, chest and other parts of your body.
Keratosis Pilaris (Chicken Skin, âLeg Acneâ) In keratosis pilaris (link : pictures) thickening of the hair follicles result in small, skin-colored, red, or brown bumps (goose bumps, chicken skin, leg acne) on the thighs, arms or other parts of the body. Heat and irritation by clothes can provoke a bout of itching.