Dust mite morphology observation experiment

Summary

This experiment is from the official website of Parasitology, School of Medicine, Shandong University.

Operation method

Dust mite morphology observation experiment

Principle

Dust mites are commonly found in the dust of people's living places and mainly cause dust mite asthma, allergic rhinitis and atopic eczema, which affect people's health. The main allergens are house dust mite (Dermatophagoides pteronyssinus), dust mite (Dermatophagoides farinae) and house dust mite (Euroglyphus maynei).

Move

Demonstration of teaching

I, Adult: oval body, long 170~500 u 500 u m The surface of the body has fingerprint-like fine dermal patterns. The anterior end of the dorsum has a narrow shield, and the posterior end of the dorsum of the male mite also has a posterior shield. There is a pair of long bristles on the shoulder and two pairs of long bristles on the posterior end. Reproductive pores in the center of the ventral surface. The anus is near the posterior end, and the male mite has an anal sucker on the anal side. There are feet 4 pairs, with bell-shaped suckers at the end of the tarsus. The palpus is located at the anterior end of the carapace, and the chelicerae are pincer-like.

Life history 5 stages There are five stages in the life history, i.e. egg, larva, first instar, second instar and adult.

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