Directions:Questions:a. Why would we conduct a fetal pig dissection in a human biology course?
Use the website provided below to answer the lab questions (using another color for your answers would be helpful). I expect your responses to be formulated using information from the site and prior knowledge from this course, NOT from Google! The questions go in the same order as the navigation on the right-hand side of the website. Use anatomical position/location in your responses when applicable.
1. The basics (anatomical positions, sex, etc.):
b. Which body part of the pig would you find in the "caudal region"?
c. Would the head be anterior or posterior on the specimen?
d. What structure would be present on the ventral side of the specimen?
e. Is the right hoof of the specimen located medially or laterally in respect to the specimen's right ear?
f. How do you determine the sex of the dissection specimen (be sure to mention qualities that would help you determine sex in both a male and female specimen)?
2. Digestive System:
a. What is the role of the hard palate?
b. Where is the epiglottis located and what is its function?
c. With your first incision indo the abdomen of the specimen, describe what you would see?
d. After cutting deeper, you reveal the peritoneal membrane that encases many major organs. Describe what you see once you cut through the peritoneal membrane.
e. How long is the small intestine of a near-term fetal pig, like the specimen shown?
f. Describe the appearance of the large intestine in the specimen, is it different that what you expected?
g. Where is the gallbladder located?
h. Upon removal of the liver, describe the appearance of the abdominal cavity of the specimen.
i. When cutting into/opening the stomach of the specimen, describe what structures become visible.
3. Excretory (urinary) System:
a. Describe the anatomical position of the renal veins with respect to the kidneys
b. Which organs are the ureters attached to?
4. Circulatory System:
a. Describe the contents of the thoracic cavity of your specimen
b. What do you need to open/cut into (carefully) to reveal the heart?
c. Where is the coronary artery located In respect toe he heart?
d. After removing the lungs and hear of your specimen to get a better look, describe what you see.
e. Compare/contrast the cross section of the pig heart with the cross section of the cow heart
5. Reproductive System:
a. First, explore the reproductive systems of both male and female specimens. Compare and contrast their reproductive systems (including position and appearance of major reproductive organs)
6. Respiratory System:
a. Describe the pathway of air from the nares of the specimen to the alveoli during inspiration. Then describe its exit through expiration.
b. Where is the trachea located in respect to the esophagus?
c. When the trachea is cut open and viewed dorsally, what structures are visible?
d. Describe the cross section of the lung and the bronchi
7. Nervous System:
a. The skull is located in which region of the specimen?
b. Describe the appearance and function of the thalamus of the pig brain
c. Describe the appearance of the cervical region of the specimen after the removal of dorsal parts of the skull and cervical vertebrae
d. What is the anatomical position of the spinal cord in respect to the vertebrae?
e. Compare/contrast the images of the nervous system of the dissection specimen pictured to that of a human nervous system (noting major differences/similarities)
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