In this article we will discuss about the killing and dissection of silk worm larva. The silkworm larvae are easily collected from the farmers rearing silk worms or silk worm rearing centre. The 5th instar larva is suitable for dissection. Killing: The larva is immobilised with a few drops of 50% alcohol squeezed out on it from a piece of [...]
This article will guide you about how to preserve, display, label and maintain the museum specimen for microscopic and macroscopic animals. Preservation of Specimen: Well-preserved specimens—both microscopic and macroscopic—are assets of a good museum. i. Microscopic animals: Stained, permanent slides are prepared and preserved with proper labeling. ii. Macroscopic animals: Soft-bodied animals are preserved for a long time in 70% [...]
In this article we will discuss about the dissection of star fish. Also learn about:- 1. Dissection of Alimentary System 2. Dissection of Ambulacral (Water Vascular) System. The star fish has two surfaces. Aboral, the surface (Fig. 13.1) directed upwards in natural position and oral (Fig. 13.2) directed downwards. The two arms between which the madreporite lies are the bivium [...]