Last week on Wednesday for Hurumanu 4 which is science we were dissection chicken legs and there was a list of instructions to follow.
Aim: In this dissection, you will locate and describe the various tissues and the structures of the drumstick and thigh of a chicken.
Materials: A chicken drumstick with thigh, dissecting probe, scalpel, dissecting scissors, paper towels, forces, dissecting tray, gloves, disinfecting hand wash, and spray.
Safety:
- wear gloves.
- do not put anything in your mouth (fingers, pens, etc.) during the dissection.
- wash your hands thoroughly at the end of the dissection with antibacterial soap and hot water. Ensure your hands are dried after washing.
- spray the surfaces with antibacterial soap.
Procedure:
- place the chicken leg on a dissecting tray and examine (look at ) the exterior features. The tough outer layer is called the epidermis (or skin). The small bumps covering the skin are where the feathers were attached.
- Examine the lower leg. this is called the drumstick and it is the equivalent (same as) of your lower leg the large muscle at the back of the leg is the same as your gastrocnemius. It also includes two bones-the tibias ( the larger one) and fibula (the thinner, smaller one).
- Examine the upper leg. on both a chicken and a human this part si called the thigh. t contains a large bone called the femur.
- Carefully pull the skin off by sliding it down and off the lower leg. you may need to use your scalpel to remove it but be careful not to cut any muscle tissue.
- The yellowish material under the skin is fat (adipose).
