What is the purpose of the fetal pig lab dissection?
What is the purpose of the fetal pig lab dissection?
A fetal pig dissection is helpful for anatomy studies because the size of the organs makes them easy to find and identify. It is also interesting to do because a lot of the internal anatomy is similar to humans!
What are the materials used for pig dissection?
Pig Dissection
| Materials | Quantity | Notes |
|---|---|---|
| dissection kit | 1 per table | should include scalpel, scissors, forceps, dissection needles, dissection pins |
| dissection tray | 1 per table | |
| gloves | 1 pair per student | latex and non latex options in various sizes |
| lab coat | 1 per student |
What are the three major body divisions of the fetal pig?
Orientation
- Anterior refers to the head end. If a structure is anterior to another, then it is closer to the head.
- Posterior refers to the tail end.
- Dorsal refers to the back side. The pig in figure 1 is lying on its dorsal side.
- Ventral is the belly side. It is opposite the dorsal side.
Are fetal pigs killed for dissection?
At slaughterhouses, pregnant pigs have their bellies cut open and their babies are taken for dissection. Fetal pigs are killed before they even take their first breath.
How can you tell if a fetal pig is male or female without cutting it open?
Determine the sex of your pig by looking for the urogenital opening. On females, this opening is located near the anus. On males, the opening is located near the umbilical cord. If your pig is female, you should also note that urogenital papilla is present near the genital opening.
What is the function of the lungs in a fetal pig?
The lungs have the responsibilty of removing carbon dioxide and adding oxygen to blood that will then be distributed back to the body through the capillaries. Pig lungs have multiple lobes, or subdivisions, on either side.
How can you tell if a fetal pig is male or female?
Are fetal pigs eyes well developed?
A flap of skin helps to close this opening when the pig swallows. Does the eyelid of a fetal pig seem well developed? No.
How long can a small intestine of a fetal pig get?
The small intestine of a near-term fetal pig can be as long as 350 cm (~ 12 feet long) when separated from the mesentery (which holds and their blood vessels in a mass). Within the various sections of the small intestine, digestion of food and absorption of nutrients occurs.
What do you need to know about fetal pig dissection?
Fetal Pig Dissection – Anatomy and Physiology 2 Laboratory Manual Identify external urogenital structures of the male and female fetal pig. Successfully complete dissection of the fetal pig. Identify, on your fetal pig, each structure from the labeled photographs.
How to dissect a pig for endocrine organs?
DISSECTION 1: ENDOCRINE ORGANS The major endocrine organs of the pig have similar loca- tions and structure compared with humans. Assemble your dissection equipment, put on your safety glasses and gloves,and obtain your pig. Position your pig within the dissection tray.
How do you dissect a pig with scissors?
Tie one front leg of the animal with a string that passes underneath the dissecting pan to the other leg. Repeat this with the back leg. Figure 5. Insert one blade of scissors through the body wall on one side of the umbilical cord and cut posteriorly to the base of the leg as shown in figure 6.
Where do you find the umbilical cord in a pig?
Most of the pig’s external features are familiar to you – ears, nose, eyes, etc. On the belly, you will see the umbilical cord which connected the fetal pig to its mother’s placenta. On either side of the umbilical cord, you may see mammary papillae, little nipples that will turn into teats in female pigs.
