In this article we will discuss about the dissection and structures of different types of fishes. 1. Placoid Scale of Shark: Placoid scales are found in elasmobranchs. Preparation: Cut a small piece of skin from the dorsal surface of a shark (Scoliodon). Put it in a hard glass test tube containing 5 to 10% KOH solution. Boil with constant stirring [...]
In this article we will discuss about the dissection, structure and salient features of frog and toad. 1. Hyoid Apparatus of Frog and Toad: Rana sp. (Frog); Bufo sp. (Toad) The hyoid apparatus of frog and toad are almost similar in structure. They occupy the same relative position. Preparation: Remove the skin of the ventral surface of the buccal floor [...]
In this article we will discuss about the dissection and structure of garden lizard (Calotes). Hyoid Apparatus of Garden Lizards (Calotes): The hyoid apparatus of Calotes occupies the same relative position in the buccal floor as in the case of frog. Preparation: Expose the basihyal of the hyoid apparatus following the procedure adopted for frog. Anteriorly it extends up to [...]