Deep femoral artery (plunges just before abdml wall). Right Subclavian Artery 8. R&L middle cerebral arteries. Left Internal Mammary Artery 3. Locate the jejunum and the ileum and note where the ileum joins the large intestine at the ileocecal valve. Interventricular septum. Urinary Rabbit Dissection Unlab... Digestive System. AP Biology cat dissection proves to be memorable.
Lift the heart aside to look behind it and find the inferior vena cava. I pulled up the skin and made the first cut. Sketch each of these structures. Comment on the differences observed. Double-injected cats are usually used to identify blood vessels. R&L posterior communicating arteries. The last major branch from the abdominal aorta is the inferior mesenteric.
Right Popliteal Artery & Vein. Trace this latter to the R axillary, and then the R brachial artery. The renal vessels are easy to find if you locate the kidneys. Each will branch on their way down to connect to various structures. Instead the subclavian artery attaches directly to the aorta. Urinary Rabbit Dissection Labeled. Inferior Vena Cava 8. All vessels you will locate will be directly attached to it, it is the largest artery in the body. Adrenolumbar Vein 3. Left Subscapular Artery 5. Pin the renal arteries/veins. Students will need to open the thoracic (chest) cavity to reveal the heart and its attached vessels. Cat veins and arteries labeled. At first I was overwhelmed; how would I distinguish spleen from kidney, liver from lung? Use the colored pins to mark structures as you find them** Your group will be checked periodically.
Transverse jugular vein. The iliac vein is located in this region also. Inferior Vena Cava with Phrenic Nerve 9. You can also expose more vessels of the face and head by teasing away the tissue of the brachiocephalic vein and tracing its path upwards. Objective 2: Introduction to Iworx This tutorial describes how to adjust the LabScribe software so that signals are sized and displayed properly.
Read instructions carefully, do not remove structures unless you are told to do so. A careful dissection will reveal structures we have learned in class. Right Subscapular Vein. It's hard to picture the inside of an animal's body, unless you've seen it for yourself. Push the stomach aside to locate a bumpy structure underneath it, the pancreas.
The lungs were a dark magenta, buried deep in the cavity between the ribs. Internal mammary vein. A similar split occurs in the inferior vena cava. Behind the pulmonary artery, use the probe to find the aortic arch and its two branches (three in the human): the innominant artery (or brachiocephalic) and the left subclavian. When I was finished, I wrapped up the sliced organs in the plastic and threw them away. Iworx tutorial, Demo of the Blood pressure experiment links are provided in the next slide. Cat Dissection | This is a dissection of the cat, showing th…. Today was the day when I would dissect a cat. Identify the atria and ventricle of the heart.
Color code the image below (red for arteries. The veins are near them and distinguished by a blue color. Median sacral artery. It is important to note that the arteries are not perfectly symmetrical, there is a (right) brachicephalic artery, but no complimentary left one. I began to recognize the familiar structures we had studied in biology. Cat dissection veins and arteries diagram. The external iliac can be traced into the leg where it continues as the femoral artery. More photos of the circulatory system can be found in the Cat Vessels Gallery. Remember that veins return blood to the heart and arteries carry blood away from the heart. Push the liver upward to locate the gallbladder that lies underneath and find the bile duct, which connects the gallbladder to the duodenum of the small intestine. Here is a labeled version of the circle of Willis. Use a scalpel to make a Y incision in the thoracic cavity, then continue to the abdominal cavity as shown in the diagram.
BIO 202 Human Anatomy & Physiology II. In this area, you will also see the external iliac veins, it will run parallel to the external iliac artery. Right Subclavian Vein 16. The following directions should assist you in locating the major arteries and veins in the cat. The best tool for this job is a scalpel and bone cutters to break the sternum. Cat dissection arteries and veins. Put a rubber band around the end of the bag (we don't want to "let the cat out of the bag") and put the cats back in your hour's blue container. Cardiovascular Sheep Heart Dissect-L. Cardiovascular Sheep Heart Disect-U. Have your instructor check the pins for the vessels associated with the heart.
How can you tell which is which? Cut the mesentery so that it can be measured. If you follow the vena cava up from the heart, it branches into several small vessels that drain blood from the head and brain. Trace the external iliac artery into the leg where it will become the femoral artery. The smell coming from room 204 was difficult to describe. Reproductive / Urinary System: Testes, Ovary, Uterine Horn, Vagina, Urinary Bladder, Ureter Kidney. Place your cat in a dissecting tray with the ventral surface facing upward.
For the page numbers, see the protocol A. natomy of the Circulatory System in the Cat.
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