Cat Dissection ONL

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School

Austin Community College District *

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Course

2404

Subject

Anatomy

Date

Dec 6, 2023

Type

docx

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Uploaded by DoctorFog8058

Cat Dissection Dissections are an integral part of the anatomy and physiology lab experience. There is no substitute for handling and dissecting real tissues and organs as a way to learn anatomy. “The value of the dissection is not how neatly the students manage to do it, but what they see while they are doing it. Plastic models and 2-dimensional pictures are no substitute for real, if preserved, tissues. One of the major revelations during a dissection is that skin, muscles, blood vessels and nerves are all held together by connective tissue. There is no other way to teach this. They see the distribution of lymph nodes and the way that the intestines are held in place by mesenteries. They see all the places where there is fat. They can pull on a muscle and see the insertion move. This is hands-on, active learning at its best!” - Anonymous Instructor The term “dissection” means “to expose to view”. Many beginning students assume that dissecting automatically means “cutting things up” but actual cutting is rare and then it will usually be done with scissors, not scalpels. Scalpels more often damage the material and make things harder to see and their use is discouraged in most cases. While you will occasionally use scissors to begin the process of dissection, your primary tools of dissection will be forceps and blunt probes and fingers. In this course, we are primarily concerned with learning anatomical terminology as it pertains to the human organism. Ideally, human cadavers would provide the best subjects for examination. However, we will be using a cat as a fairly reasonable substitute. Surface Anatomy 1. Make sure that you can apply directional terminology like dorsal/ventral, posterior/anterior, superficial/deep and medial/lateral to the cat dissection. Below is a diagram of directional terminology for an animal that walks on four legs as compared with a human.

Body Cavities 1. Identify the following cavities and subcavities: ventral body cavity, thoracic cavity, abdominopelvic cavity, pulmonary cavity, mediastinum, abdominal cavity and pelvic cavity. Also, identify the diaphragm diaphragm pelvic cavity abdominopelvic cavity pulmonary cavity abdominal cavity thoracic cavity ventral body cavity

Serous Membranes 1. Identify the following membranes: parietal pleura, visceral pleura, parietal peritoneum and visceral peritoneum 2. Identify the following serous membranes: parietal pericardium and visceral pericardium visceral peritoneum parietal peritoneum visceral pleura parietal pleura parietal pericardium visceral pericardium

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