Arthropods

hard exoskeleton provides resistance to to environment

- exoskeleton is usually hard, insoluble, virtually indigestible and impregnated with calcium salts or covered with wax

- serves as place for attachment of muscles

common: segmented body, chitin-containing cuticles

insects or arachnids

Sarcoptes scabiei

• intense itching and a rash that consists of small pimples

• lesions: puritic, erythematous, papular, vesicular

• inner face of fingers, palms of the hands

• => second. Infections are common

• tiny burrows on the skin, which are caused by female scabies congregating under the layer of the upper skin

Creams/Lotions with antiparasitic activity:

• Crotamiton (Eurex, Croatan)

• Ivermectin (Stromectol)

• Permethrin