Fetal Pig Dissection
Prelab
1. What are unborn pigs called?
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2. How is their age (length of gestation) determined?
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3. How long does full gestation take?
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4. Classify the pig:
K____________________________
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P__________________________________
C__________________________________
O__________________________________
F__________________________________
G__________________________________
S__________________________________
5. Approximately how many piglets does a sow have in a litter? ______________________
6. Is a pig a biped or quadruped? Explain. ________________________________________
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7. What word means:
Pertains to the head?
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Forward?
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Toward the snout?
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Pertains to the tail?
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Toward the tail?
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Toward the backbone?
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Toward the belly?
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Toward the side?
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Toward the midline?
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Near the reference point?
Far from the reference area?
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8. What are these areas called:
head area?
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neck area?
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upper trunk?
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middle trunk?
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lower trunk?
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tail area?
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9. Symbol for male? ____________
Symbol for
female?___________________
10. How do you determine the sex of your fetal pig? _________________________________
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11. Is the pig digitigrade, unguligrade, or plantigrade? Explain.
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12. Are pigs herbivores, carnivores, or omnivores? Explain. __________________________
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13. Another name for nostrils?
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14. Long, external fold of the ear?
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15. Why is the fetal pig a good specimen to dissect? _________________________________
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16. Tissue that makes up skin?
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main appendage of skin?
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Label the following drawing: