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.
Abscess Causes. Abscesses are caused by obstruction of oil (sebaceous) glands or sweat glands, inflammation of hair follicles, or minor breaks and punctures of the skin. Germs get under the skin or into these glands, which causes an inflammatory response as your body's defenses try to kill these germs.bscesses are caused by obstruction of oil (sebaceous) glands or sweat glands, inflammation of hair follicles, or minor breaks and punctures of the skin. Germs get under the skin or into these glands, which causes an inflammatory response as your body's defenses try to kill these germs.