Virtual Pig Dissection

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					                                                       Name____________________________
Virtual Pig Dissection – Day 1                         Date ________ Period_____ Group____

You may use the website listed below in addition to any other printed library resources or
biology websites to assist you in the following. This worksheet must be turned in to me at the
end of class today for points.

http://www.whitman.edu/biology/vpd/main.html

Label the Pig with the following terms:
 1   Allantoic duct
 2   Anterior
 3   Anus
 4   Caudal
 5   Distal
 6   Dorsal
 7   Genital papilla (female)
 8   Inferior
 9   Lateral
10   Mammary papillae
11   Medial
12   Posterior
13   Proximal
14   Rostral
15   Scrotum
16   Superior
17   Tip of sternum
18   Umbilical arteries
19   Umbilical cord
20   Umbilical vein
     Urogenital opening
21   (female)
     Urogenital opening
22   (male)
23   Ventral

What is the function of each of the terms above that are anatomical structures? (They are all the
items NOT in bold.) (12 items)

Discussion Questions
   1. How could you determine the gestation age of your fetal pig?
   2. What is the basis for determining the sex of a fetal pig?
   3. The fetus-mother relationship is considered to be similar to a parasite-host relationship by
      some biologists. What supports this idea?
                                                      Name____________________________
Virtual Pig Dissection – Day 2                        Date ________ Period_____ Group____

You may use the website listed below in addition to any other printed library resources or
biology websites to assist you in the following. This worksheet must be turned in to me at the
end of class today for points.

http://www.whitman.edu/biology/vpd/main.html

Discussion Question
   1. What two structures have to be cut during dissection to expose internal organs?

Label the Pig with the following
terms:

  1 anus
  2 bile duct
  3 cecum
  4 colon
  5 diaphragm
  6 duodenum
  7 esophagus
  8 gall bladder
  9 mesentery
 10 pancreas
 11 pyloric sphincter
 12 rectum
 13 retracted liver lobes
 14 small intestine
 15 spleen
 16 stomach
 17 umbilical vein


Discussion Questions
   1. If you were to open the
      stomach of your specimen,
      what kind of food would you
      expect to find?
   2. What is the function of each of
      the terms above? (17 items)
   3. What is the source of food for
      the fetal pig?
   4. List, in order, the organs through which food actually passes starting with the mouth and
      ending with the anus.
   5. You may have observed a dark green organ that partly hides the stomach on the left side
      of your specimen. If not, located it now. This organ is the spleen. What was it not
      mentioned as part of the digestive system?
                                                      Name____________________________
Virtual Pig Dissection – Day 3                        Date ________ Period_____ Group____

You may use the website listed below in addition to any other printed library resources or
biology websites to assist you in the following. This worksheet must be turned in to me at the
end of class today for points.

http://www.whitman.edu/biology/vpd/
main.html

Label the Pig with the following
terms:

   1.   bronchi
   2.   diaphragm
   3.   esophagus
   4.   larynx
   5.   Lungs
   6.   pleural membrane
   7.   thymus
   8.   thyroid
   9.   trachea




   1. aorta
   2. apex
   3. bicuspid valve
   4. brachiocephalic artery
   5. chordae tendinae
   6. ductus arteriosus
   7. left atrium
   8. left auricle
   9. left ventricle
   10. papillary muscle
   11. pulmonary artery
   12. right auricle
   13. right ventricle
   14. semilunar valve
   15. tricuspid valve
Discussion Questions
   1. What is the function of the diaphragm?
   2. To what organ system does the thyroid gland belong?
   3. How can you distinguish between the atria and ventricles of the heart?
   4. What is the function of the ductus arteriosus in the fetal heart?
   5. What adaptive advantage is gained by its closure at birth?
                                                      Name____________________________
Virtual Pig Dissection – Day 4                        Date ________ Period_____ Group____

You may use the website listed below in addition to any other printed library resources or
biology websites to assist you in the following. This worksheet must be turned in to me at the
end of class today for points.
                                   http://www.whitman.edu/biology/vpd/main.html

Male Reproductive System

   1. adrenal gland
   2. bulbourethral
       (Cowper's) gland
   3. dorsal aorta
   4. epididymis
   5. genital artery
   6. inguinal canal
   7. kidney
   8. penis
   9. prostate location
   10. renal artery
   11. renal vein
   12. seminal vesicle
   13. testis
   14. umbilical arteries
   15. ureter
   16. urethra
   17. urinary bladder
   18. urogenital opening
   19. vas deferens

Female Reproductive System

   1. body of uterus
   2. cervix
   3. genital artery
   4. kidney
   5. ovary
   6. oviduct
   7. renal artery
   8. renal vein
   9. umbilical arteries
   10. ureter
   11. urethra
   12. urinary bladder
   13. urogenital opening
   14. urogenital sinus
   15. uterine horn
   16. vagina (cut open)
Discussion Questions
   1. The uterus in the pig is divided into a Y-shaped structure. The arms of the Y are called
      the horns of the uterus. Human females do not have a divided uterus. What is the
      function of the uterus?
   2. What do you think is the adaptive advantage to the pig to have the divided uterus you
      observed?

				
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posted:2/13/2013
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