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Fetal Pig Dissection. I. Fetal Pig Dissection II. Purpose Sus scrofa, or the domestic
pig is a member of the class Mammalia and the order Artiodactyla. ...
... The dissection of the fetal pig in the laboratory is important because pigs and
humans have the same level of metabolism and have similar organs and systems. ...
Submitted by mguess2 on December 4, 2005
Category: Science
Words: 2642 | Pages: 11
Views: 839
Popularity Rank: 7,611
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I. Fetal Pig Dissection
II. Purpose
Sus scrofa, or the domestic pig is a member of the class Mammalia and the order Artiodactyla. Since we as humans are also a member of class Mammalia, we have a good deal in common biologically with pigs, although we might not like to think so. Since we have a good deal in common, it is very helpful for us to study these animals both anatomically and physiologically. We do this when we test medicines on pigs, perfect surgical procedures on pigs, and even when we used to use pig valves for replacements in human hearts. Thus the pig is a first-rate example of a mammal and the purpose of this lab is to recognize the specific similarities between the pig and ourselves as humans. To accomplish this we will be dissecting and identifying parts in a number of different systems: external features, the skeleton, the muscles, internal organs, the respiratory system, the digestive system, the circulatory system, the urinary system, the reproductive system, and the nervous system.
III. Materials and Procedure
Materials
Fetal Pig
Dissecting tray
Dissecting pad
String
Gloves
Apron
Scalpel
Dissecting scissors
Probe
Forceps
Formaldehyde
Paper towels
Garbage bag
Procedure
External Features
1. Examine the exterior of the pig
2. Measure the pig from the snout to the base of the tail and use the chart in the manual to determine its approximate age.
3. Locate the snout, mouth, eyes, pinnae, teats, umbilical chord, and anus
4. Study legs and feet and examine/explore how the pig walks
5. Determine the sex of your pig (females have genital papilla while males will have a scrotum).
Skeletal System
1. Locate the axial skeleton (vertebal column, ribs, sternum, skull).
2. Examine the vertebral column paying close attention to the inter-vertebral discs, neural arch,...
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