History at your fingertips. Figure 5. Abdominal Cavity 1. Find the posterior part of the large intestine called the rectum and observe that it leads to the anus. Use your fingers to probe the chest area of the pig. Make the last two incisions to expose the neck area. Female: injection site, nipples, umbilical cord. It is top-heavy near term so that it falls forward and, because of the large bowel on the left side, rotates to the right. Submit Feedback. There may be some connective tissue or membranes attaching the muscles to the underlying organs.
The abdominal cavity contains a protective layering that is known as the. Cutting through the transparent membrane gives access to some of the internal abdominal organs.
The cavity is dominated by the liver (large, brown organ at. Tie the pig down in the dissecting tray as shown below (A).
Video: Peritoneum function in fetal pig Peritoneum tutorial
Make the The covering of the walls of the cavity is referred to as parietal peritoneum, while that covering the organs is termed visceral Why is this important in a functional sense?
You have already seen the nasopharynx, hard palate, soft palate, epiglottis, glottis, trachea, and larynx. The pressure differential created between the lungs and external environment causes air to move into the lungs inspiration.
Next, find the liver the large, multilobed reddish organ at the top of the peritoneal cavity. The omenta are folds of peritoneum enclosing nerves, blood vessels, lymph channels, and fatty and connective tissue.
Aorta, kidney, liver, posterior vena cava, renal artery, renal vein, spleen, ureter, urinary bladder. Determine if your specimen is male or female by looking closely at the umbilical cord area.
LOTO DU SAMEDI 20 AVRIL 2013 CALENDAR
|Cut completely through the body wall in the abdominal area but keep the cut shallow in the neck region.
Video: Peritoneum function in fetal pig Fetal Pig Dissection - Review and Locations of the Abdominal Organs
Click here for spleen and pancreas pictures The spleen is the reddish organ lying along the greater curvature of the stomach. The first branch of the aorta is the brachiocephalic artery. Diaphragm, heart, lungs, and pericardium.
Read now! Developed by Dr. Mark Stanback fetal pig dissection pictures. INTRODUCTION As the pig is a mammal, many aspects of its structural and functional visceral peritoneum: covers organs of the peritoneal cavity.
In this lab you'll dissect a fetal pig to get a look at the anatomy of a mammal.
Locate and understand the functions of the following structures: The mesenteries are folds of the peritoneum, which is the smooth, shiny layer.
Large intestine, pancreas, small intestine, spleen, and stomach.
Figure 6. I highly recommend these specimens for anyone interested in learning more about the anatomy of specific organisms.
The flap of body wall that contains the navel can be folded posteriorly to reveal the internal organs of the abdomen. By signing up, you agree to our Privacy Notice. Determine if your specimen is male or female by looking closely at the umbilical cord area.
Peritoneum function in fetal pig
|Some of the viscera are attached to the abdominal walls by broad areas of the peritoneum, as is the pancreas. Seminal vesicle, testis, ureter, urinary bladder, vas deferens. Use the labeled picture to identify the feathery papillae taste buds on the edges of the tongue, the ridged hard palate in the roof of the mouth with the smooth soft palate behind it, the sharp teeth near the front of the mouth, and the epiglottiswhich covers the opening of the trachea windpipe so food cannot enter.
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Continue cutting from the anterior end of this cut so that it resembles an upside-down U.