Cat dissection guid

Remove a small section of the large intestine.

Dissected cat labeled

Examine the thoracic cavity, including parts of the digestive and respiratory system 6. Examine the interior wall. There is no substitute for the real thing though, and these pages are simply meant to supplement the lab. Making the connection As you explore the external structures and internal tissues, organs, and systems of the cat, consider the similarities and differences between humans and cats. Skin the cat this part can be skipped if the cats have already been skinned 3. Structure and function overview After each system has been properly dissected, spend time with your students identifying major organs and discussing structure and function. Use Fig. Rinse the abdomen carefully with water for several minutes until the cavity is clean. The first step for any dissection is to get an idea of what you will be doing and in what order. If you have access to a stereomicroscope, view each section of intestine under magnification. Carefully remove the membrane and locate the digestive organs. Lift the abdominal muscle just posterior to the sternum and cut through the muscle and into the abdominal cavity. Here are activities relating to the digestive and respiratory systems that you may choose to perform during your next cat dissection. A full dissection would include all of the major systems, including the muscular, digestive, urogenital, circulatory, respiratory, nervous, and skeletal systems. Remove a small section of the large intestine.

The first step for any dissection is to get an idea of what you will be doing and in what order. At this point, you may want to lead a discussion about these external features, why they are important, and how they compare to humans.

Cat dissection abdominal cavity labeled

Lift the abdominal muscle just posterior to the sternum and cut through the muscle and into the abdominal cavity. Examine the interior wall. At this point, you may want to lead a discussion about these external features, why they are important, and how they compare to humans. Get the cat out of the bag, drain and rinse the cat. Find quizzes, diagrams, and slide presentations on structures, functions, and systems. Hold the sternum in place while you cut the underlying membranes. Remove the sternum. Review the portion of the digestive system between the head and abdominal region. Fold back the lateral body wall. Next, locate the posterior end of the sternum. Using bone-cutting forceps or heavy scissors, cut each rib about 1 cm to either side of the sternum. Once all the ribs have been cut, lift the sternum. Cut the body of the stomach and examine the interior body wall. You May Also Like.

Anatomy students may have access to cat specimens and in college may experience learning anatomy using human cadavers. Examine and identify the muscle groups. Skin the cat this part can be skipped if the cats have already been skinned 3.

Ap biology cat dissection lab

Return the specimen to storage or proceed with internal dissection as time permits. Remove a small section of the small intestine. Note: Be careful. This will give you a clear view of the interior of the abdomen. An added bonus is the set of 25 slides representing major tissue types. Try to leave these cords undamaged. Examine the reproductive organs of both the male and female cats. Remove a small section of the large intestine. Pin each side of the abdominal wall to the dissection tray, or trim it out of the way. Rinse the abdomen carefully with water for several minutes until the cavity is clean.

Click on image to enlarge. Rinse the abdomen carefully with water for several minutes until the cavity is clean. Insert the blunt tip of the scissors into the cut and make an incision from just to one side of the midventral line to the posterior end of the abdominal cavity.

dissected cat labeled

An added bonus is the set of 25 slides representing major tissue types. Refer to Fig. If you find a dark brown substance coating the abdominal organs, blood has leaked into the abdomen and must be flushed out. Examine the interior wall and compare it to the interior wall of the small intestine.

There is no substitute for the real thing though, and these pages are simply meant to supplement the lab.

Cat dissection skinning

Structure and function overview After each system has been properly dissected, spend time with your students identifying major organs and discussing structure and function. Remove a small section of the large intestine. Examine the reproductive organs of both the male and female cats. Cut the pyloric stomach section to examine the sphincter muscle that controls the passage of food from the stomach to the small intestine. The first step for any dissection is to get an idea of what you will be doing and in what order. Pin each side of the abdominal wall to the dissection tray, or trim it out of the way. Locate and examine the following structures: Head, including eyes and eyelids; pinnae external ear structures ; mouth; nares nostrils ; philtrum cleft in upper lip ; and vibrissae long, stiff hairs around the mouth, cheeks, and eyes Neck Trunk, including mammillary papillae teats ; anus; urogenital opening or scrotum and penis; and tail Forelimbs, including shoulders; elbows; wrists; feet; toes; claws; and tori foot pads Hind limbs, including hips; knees; ankles; feet; toes; claws; and tori foot pads Separate the upper and lower eyelids. Find quizzes, diagrams, and slide presentations on structures, functions, and systems. Carefully remove the membrane and locate the digestive organs. Make lateral cuts through the body wall at the posterior end of the abdominal cavity. At the anterior end of the incision, make lateral cuts following the posterior margin of the ribs. Review the portion of the digestive system between the head and abdominal region.
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Cat Dissection Tutorial