Def: Main organs of the urinary system, 2 bean shaped organs, Def: Two thin retroperitorial tubes the connect the kidneys to the urinary bladder, Def: Arteries that supply the kidneys with blood, Chapter 1- The Science of Biology; Biology 00, Human Anatomy and Physiology Laboratory Manual, Bio 208 Lab (Urinary System and Urinalysis). 0000005624 00000 n First, the urine is in the kidney. The width of the placental folds decreases until day 85 of gestation. The kidney is made up of three different regions internally: the outer cortex, the middle medulla (with the renal pyramids) and the inner-most renal pelvis. Figure 43. The liver has been lifted to reveal the gallbladder. Pericardium, vena cava, esophagus, phrenic nerve, etc. %PDF-1.4 % The ectoderm has a greater role in the development of the fetus. Fetal pigs are the unborn piglets of sows that were killed by the meat-packing industry. Each of the organ systems in your body have a certain function, or job. For starters, one type of cell makes up one type of tissue. The pericardium is a membrane that surrounds the heart and lines the pericardial cavity. Preserved specimens: pigs. Find the posterior part of the large intestine called the rectum and observe that it leads to the anus. The pharynx is the space in the posterior portion of the mouth that both food and air pass through. Extend a single cut along the midline of the ventral surface of the animal to about 2 cm from the chin. Fetal Pig Dissection. 0000006318 00000 n Figure 46. The diagrams below summarize the circulatory system of a mammal. Working together, all of these organ systems make up an organism. . The spleen is an elongate, flattened, brownish organ that extends along the posterior part of the stomach ventral to (above) the pancreas. From fertilization to day 18, the endoderm, ectoderm and mesoderm have been forming inside the embryo, and are completely formed by day 18, the same day the placenta forms. Fetal pigs are the unborn piglets of sows that were killed by the meat-packing industry. The path that urine takes to exit the body is very specific. Sketch and labeled diagrams of the urinary system & the kidney cross section. Retrieved July 15, 2009. Anatomy of the Urinary System. The pig's kidney was much less significant in size compared to the kidney of the sheep. I have learned through this experiment that the kidney is a very unique and vital organ that performs many. Find the posterior part of the large intestine called the rectum and observe that it leads to the anus. . It forms into the skin, nervous system, enamel of the teeth, lining of the intestine, mammary and sweat glands, hoofs, and hair. Urogenital system stands for urinary plus genital systems. The one main difference is the size of the organs. [21] The female's internal reproductive system is located below the kidneys. 4. These two cuts will enable you to spread open the abdominal cavity. Dissection of the Urinary System: Cat. Language links are at the top of the page across from the title. Locate the cecum, a blind pouch where the small intestine joins the large intestine. Improving the efficiency and production of grazing ruminants to support food and fiber production, while reducing the environmental footprint and meeting the welfare needs of the animals, is important for sustainable livestock production systems. 2. Systems that are similar include the nervous, skeletal, respiratory (neglecting the under developed diaphragm), and muscular. The second branch is the left subclavian artery which goes to the left front leg. Figure 44. 4.9. Download. The human body is an amazing thing made up of many different parts. J. Kruml Contact Information, F. Kov, J. Ludvk and I. Trebichavsk (1970). This allows for, Both the kidney of the pig, and the kidney of the sheep shared similar structures and shapes. Those that are not used for education will be used for fertilizer production or discarded. Aorta, aortic arch, left atrium, brachiocephalic artery, ductus arteriosus, lung, pulmonary artery, pulmonary trunk, left subclavian artery, Figure 35. The second branch is the left subclavian artery which goes to the left front leg. Figure 37. Fetal Pig The Urinary System 5.0 (1 review) Kidneys Click the card to flip Def: Main organs of the urinary system, 2 bean shaped organs Location: On either side of the spine covered by peritoneal membrane Function: Excretes waste products and regulates water and salt balance to form urine Click the card to flip 1 / 6 Flashcards Learn Test Match The following words will be used to help identify the location of structures. Lift the right lobe and find the gallbladder. and Vallet, J. L. (2007). The kidneys of the fetal pig can be located on both sides of the spine behind the abdominal organs. You have already seen the nasopharynx, hard palate, soft palate, epiglottis, glottis, trachea, and larynx. from the chin. Left atrium, brachiocephalic artery, left common carotid artery, right common carotid artery, coronary artery, external iliac artery, external iliac vein, posterior vena cava, pulmonary trunk, renal artery, renal vein, left subclavian artery, right subclavian artery, umbilical artery, left ventricle. Find the posterior part of the large intestine called the rectum and observe that it leads to the anus. For all readers interested in learning . Learn more about how Pressbooks supports open publishing practices. Frog Dissection Lab Answer Key Urinary System Atrium April 24th, 2018 - Frog Dissection Lab Answer Key dissecting probe preserved frog dissection tray Purpose In this . The tongue's taste buds, located in the enlarged papillae, facilitate food handling after birth. April 2008. The esophagus is dorsal to the trachea. Start studying Fetal Pig Urinary System. The thyroid gland is darker and lies between the posterior ends of the two lobes of the thymus gland. Weight is also not a factor of survival rate because a healthier diet does not lead to a heavier offspring or a greater chance of live birth.[11]. The appendix in humans is the evolutionary remains of a larger cecum in human ancestors. Follow the steps below to complete the dissection of the Fetal Pig Urinary System. The epiglottis projects up through the soft palate into a region called the nasopharynx. Wiki User. Rhonchi crackling of the throat. The fetal pig urinary tract is relatively developed and easy to locate during dissection. _____ Dissection #7 Urinary System Go online to Modified Mastering to find this lab. The endoderm transforms into the lungs, trachea, thyroid gland, and digestive tract of the fetus. Follow the trachea to where it branches into two bronchi and observe that each bronchus leads to a lung. In this exercise you will identify the main components of the urinary system in the fetal pig. This allows blood to pass directly from the right to left atrium. Aorta, colon (large intestine), diaphragm, heart, kidney, lung, renal artery, posterior vena cava, renal vein, small intestine, spleen, stomach, ureter. Contraction of the diaphragm forces air into the lungs. Dissection instructions, student lab worksheets, and diagrams are all included. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Continue cutting from the anterior end of this cut so that it resembles an upside-down U. Identify the liver. Note the tubes that go from each kidney to the bladder, the muscular structure located between the two umbilical arteries. Continue cutting from the anterior end of this cut so that it resembles an upside-down U. 13.1: Respiratory System and Pig Dissection, { "13.1.01:_Fetal_Pig_Dissection_Lab" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "13.1.02:_Fetal_Pig_Dissection_Lab_(Instructor_Materials_Preparation)" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "13.1.03:_Reading-_Fetal_Pig_Dissection" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "13.1.04:_Cardiovascular_and_Respiratory_Systems_Lab" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "13.1.05:_Cardiovascular_and_Respiratory_Systems_Lab_(Instructor_Materials_Preparation)" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()" }, { "13.01:_Respiratory_System_and_Pig_Dissection" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()" }, https://bio.libretexts.org/@app/auth/3/login?returnto=https%3A%2F%2Fbio.libretexts.org%2FCourses%2FLumen_Learning%2FBook%253A_Biology_II_Laboratory_Manual_(Lumen)%2F13%253A_Module_10-_Cardiovascular%2F13.01%253A_Respiratory_System_and_Pig_Dissection%2F13.1.03%253A_Reading-_Fetal_Pig_Dissection, \( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}}}\) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash{#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)\(\newcommand{\AA}{\unicode[.8,0]{x212B}}\), 13.1.2: Fetal Pig Dissection Lab (Instructor Materials Preparation), 13.1.4: Cardiovascular and Respiratory Systems Lab, CC BY-NC-SA: Attribution-NonCommercial-ShareAlike, status page at https://status.libretexts.org. Figure 1. We'll be making our way through all body systems! Below: esophagus, larynx, trachea, bronchus, lungs. Figure 24. small intestine, large intestine, pancreas, spleen, stomach The spleen has been moved aside to reveal the pancreas. My goal was to compare the structure of each. The skinning lab is very important because it is the layer that covers much of the muscular system that we wanted to observe. D The cecum is found at the point where the small intestine joins the large intestine. Also any dissection manual from freshman biology lab for fetal pigs. "Veterinary Drawing of the Teeth of Your Pet Pig." Medicine. An incision was made on the side of the neck to enable the injections. Use a probe to separate the two lobes of the thymus gland and to further separate the musculature over the trachea. English. The drawing below shows some of the major arteries that carry blood to the body. (1) 3. . The arteries have been filled with red latex and the veins with blue. The fetal pig that you will dissect has been injected with a colored latex (rubber) compound. Hypoxia is when you are low on oxygen. . Response to Increasing Levels of Nutrients Fed During Gestation and Lactation to Control and Prolific Gilts. Mr. Rocio. Orthopnea is when you are having trouble breathing in different positions. The pigs kidney was much less significant in size compared to the kidney of the sheep. However, only 2-4 percent of individuals are truly Sd(a) and may . Fetal pigs are not killed for the purpose of dissection. The epiglottis projects up into a region called the pharynx. The renal pelvis is the large sac at the base of the kidney. Materials and methods: This descriptive cross-sectional study evaluated 130 pairs of kidneys of pigs destined to slaughter. 0000007449 00000 n Click on any of the photographs to view enlargements. However, increasing FPR does not prove to increase litter size. Fetal Pig Diagrams. 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