The following points highlight the seven main processes involved in preparation of permanent slides. The processes are: 1. Killing 2. Fixing and Hardening 3. Staining 4. Dehydration 5. Clearing 6. Mounting 7. Labelling. Process # 1. Killing: It is the first step in the preparation of permanent mounts and is of prime importance. By killing we mean the instantaneous stoppage [...]
In this article we will discuss about the preparation of permanent mounts of various organisms. 1. Euglena: Living Euglena, for study, may either be collected from a patch of stagnant water having decaying green leaves or may be obtained from cultures in laboratory. For purpose of study in the living condition take a few euglena in a dropper or a [...]
In this article we will discuss about the structure of hydra. This will also help you to draw the structure and diagram of hydra. 1. It is a fresh water form cosmopolitan in distribution. 2. It is found attached to aquatic weeds. 3. Body differentiated into a long tubular trunk and a hypostome or mouth surrounded by a ring of [...]