I. External Anatomy

A. Task #1
1. Include the following photos:
  • lateral view
  • ventral view
2. Select five of the following terms to place on the lateral view photo:
  • dorsal
  • ventral
  • anterior
  • posterior
  • pectoral
  • pelvic
  • head
  • trunk
  • thorax
3. Place the following terms on the ventral view photo:
  • abdomen
  • medial
  • caudal
  • cranial
  • umbilical cord
  • mammary papillae
4. Create a glossary of terms with definitions. Include the following terms in your glossary:
  • Terms in step 2 above
  • Terms in step 3 above
  • proximal
  • distal
  • lateral
  • left
  • right


Dorsal-Top of pig
Ventral-Is the stomach of the pig

Anterior-Is the front view pig
Posterior-Is the back view of the pig
Pelvic-Is located in the lower part of the abdomends, and is located between the hip bones
Head-The head is a division on the animal which holds the brain
Trunk-The body of the pig except the head and the limbs
Thorax-Is located between the neck and abdomends
Abdomen-Lies between the thorax and the pelvic region
Medial-Across the front of the pig
Caudal-Near the tail or hind parts
Cranial-Located near the skull
Umbilical cord-Long flexible cordlike structure that connects a fetus to the placenta
Lateral-The side of a pig

Left-The pigs left side
-The pigs right side

Mammary papillae-The nipples of a pig
5. HOMEWORK: Write a story describing the external anatomy of the pig. Use at least ten of the terms in the glossary above. You are required to use distal and proximal in your description.

B. Task #2
1. Include a photo of the pig's head and label the following structures:
  • pinnae
  • eye
  • nictitating membrane
  • eyelids
2. Include a photo showing the structures that distinguish a female pig. Label the following:
  • urogenital opening
  • urogenital papillae
  • anus
3. Include a photo that distinguishes a male pig. Include the following labels:
  • urogenital opening
  • scrotal sacs
4. Include a photo of a dissected umbilical cord. Label:
  • artery
  • vein
5. Include a photo showing joints and structures of the pig's legs. Label the following:
  • ankle
  • knee
  • wrist
  • elbow
  • toe
6. Create a glossary of terms with definitions. Include the following terms in your glossary:
  • terms in #'s 1, 2, 3, 4 and 5.


Pinnae-External Part of the pigs ear
Eye-An organ for sight in the pig
Nictitating membrane-A transparent inner eyelid
Eyelids-Two folds of skin and muscles that can be opened/closed
Urogenital opening(Male)-Is where waste products from the body and reproductive fluids are relased into the enviorment
Urogenital papillae-A structure that is located ventral to the anus on a femal pig
Anus-The opening at the lower end of the alimentary
Urogenital Opening(Female)-Is where waste products from the body and reproductive fluids are released into the enviroment
Scrotal Sacs-sacs containing the testes
Artery-Carries blood to the pig
Vein-Carries blood out of the pig
Ankle-Where the knee and the foot meet
Knee-Joint on the back leg of the pig
Wrist-Connects the elbow with the foot
Elbow-Joint on the front leg of the pig
Toe-The digits at the end of the foot

7. Research and discuss the function of the umbilical veins and arteries(distinguish between the two). The arteries carry blood into the fetal pig and the veins carry blood out.
8. Do both sexes have mammary papillae? Explain.Yes, because mammary papillae are nipples which both pigs have.
9. How many mammary papillae are present in the fetal pig? 16 mammary papillae are present in the female and 14 in the male.
10. Compare and contrast the fore limb and the hind limb of the pig to the fore limb and hind limb of the human. Include presence of joints and the movement of the limbs in your description. There is not as much range of motion in a pig because it doesnt have any joints, it is just the one big bone.
11. Compare and contrast the external anatomy of the clam, crayfish, starfish and pig. The clam, crayfish, and starfish all had external features to protect their body and the pig does not.