Fetal Pig Lab Guide
(Virtual Dissection: http://www.whitman.edu/content/virtualpig)
Check off each structure as you identify it in the fetal pig.
YOU WILL BE RESPONSIBLE FOR LOCATION AND FUNCTION OF EACH OF THE STURUCTURES LISTED
Muscular System
Masseter
Sternohyoid
Sternomastoid
Sternocephalic
Brachiocephalic
Biceps brachii
Superficial Pectoral
Deep pectoral
Serratus ventralis
Latissimus dorsi
Trapezius
Gluteus medius
Gluteus maximus
Biceps femoris
Circulatory System and Heart
Atria
Ventricles
Pericardium
Coronary Arteries
Anterior and Posterior Vena Cava
Pulmonary Artery
Aorta and Aortic Arch
Abdominal Aorta
Left and Right Carotid
Renal Artery
Hepatic Artery
External and Internal Iliac
Umbilical Vessels
Respiratory System
Diaphragm
Trachea
Cartilaginous rings
Bronchial tubes
Bronchioles
Larynx
Lungs
Digestive System
Tongue
Soft palate
Hard palate
Esophagus
Liver
Small Intestine
Duodenum
Large Intestine (colon)
Cecum
Gall bladder
Bile duct
Pancreas
Pyloric Sphincter
Cardiac Sphincter
Mesentery
Rectum
Anus
Urogenital (Reproductive + Excretory)
Kidneys
Ureter
Urinary bladder
Urethra
Urogenital opening
Skeletal System
Skull
Vertebrae
Ribs
Sternum
Humerus
Radius
Ulna
Femur
Tibia
Fibula
Male Reproductive System
Scrotal sacs
Testis
Epididymis
Vas deferens
Penis
Female Reproductive System
Ovaries
Fallopian tubes
Uterus
Vagina
Miscellaneous
Thyroid
Spleen
Masseter Muscle
Name:
Fetal Pig Dissection Post Lab
Answer the following questions on a separate sheet of paper:
1. Describe the external anatomy of the fetal pig.
a. How is it similar and different from the human external anatomy?
2. Was your pig male or female? How did you know?
3. Describe the mouth.
4. What types of teeth were present? What does that tell you about the pig?
5. Group the muscles based on function or location. Some may be in more than one category.
a. Upper limb
b. Lower limb
c. Neck and head
d. Trunk and abdomen
6. What organs were found anterior to the diaphragm?
7. Describe the pig’s circulatory system. Be sure to include the parts of the heart and major blood vessels.
8. How are the lungs of the fetal pig different from the lungs of an adult pig?
9. You are a piece of food traveling through the pig’s digestive system. Describe your journey. What parts will you encounter? What happens at each step?
10. What is the function of the kidneys?
11. What did the internal anatomy of the kidneys look like?
12. Describe your pig’s reproductive system. Include all organs.
Identify the organ (or structure) (General Anatomy)
1. ______Used to make noises
2. ______Airway from mouth to lungs
3. ______Opening (valve) between stomach and small intestine.
4. ______Stores bile, lies underneath the liver.
5. ______This substance is digested by bile.
6. ______Tube connecting the mouth to the stomach.
7. ______Separates the thoracic and abdominal cavity; aids breathing.
8. ______Membrane that holds the coils of the small intestine.
9. ______Location of the majority of water absorption.
10. ______The straight part of the small intestine just after the stomach.
11. ______Organs found on the anterior portion of the kidney
12. ______Empties bile into the duodenum from the gall bladder.
13. ______The last stretch of the large intestine before it exits at the anus.
14. ______Bumpy structure under the stomach; makes insulin
15. ______“Dead end” structure of the digestive system; found at junction of small intestine and colon
Identify the structure (Cardiovascular System)
1. ______Membrane over the heart.
2. ______Blood supply to head
3. ______Lower heart chambers
4. ______Blood supply to lower body
5. ______Muscle to aid breathing
6. ______Returns blood to heart
7. ______Large vessel at top of heart
8. ______Blood supply to the intestines
9. ______Blood supply to the liver
10. ______Arteries on heart surface.
Identify by number: NOT ALL NUMBERS WILL BE USED
A. _____ Aorta
B. _____ Dorsal Aorta
C. _____ Pulmonary Trunk
D. _____ Common Corotid
E. _____ Left & Right Carotid
F. _____ Coronary vessels
G. _____ Right Atrium
H. _____ Left Atrium
I. _____ Ventricle
Male and Female Urogenital System – Teamwork with a group who had a pig of the opposite sex.