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.
Eczema is another skin allergy that causes itchy neck. It can also occur due to dandruff or head lice and scabies. Chronic problems in kidney can also induce itching sensation in the neck. Obstructive bile disease which may cause block in the bile ducts can cause this condition.cratching the skin often will not give relief from irritation but it may worsen the situation causing more scarring and discomfort. Causes : Number of factors cause itchy neck. It can be due to insect bite from bee or other insects, infection or due to allergic reaction.