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Fetal pig dissection notes
Fetal pig dissection lab
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Abstract: The objectives of this lab was to identify the internal and external anatomy of the fetal pig. The experiment was conducted by dissecting a fetal pig and actively seeing the external anatomy, Oral Cavity, Digestive System, Circulatory System, Respiratory System, Urogenital System, and Nervous System. Introduction: The purpose of this lab is to have a better understanding of the internal and external anatomy. The reasons for performing this lab is that pigs are similar to humans because they have skin, omnivores and as fetus they receive nutrients from an umbilical cord connected to the mother. As well as the similarities to human organ systems. The hypothesis of this lab is if the fetal pig has a similar organ system of a human and assuming those organs will be in the same locations as in a human then the organ systems should operate in the same fashion. Based on what I’ve learned from this lab and what I’ve learned during lecture I predict that the fetal pigs nervous and circulatory system would operate and look the same way as in a human. Materials: 1. Preserved fetal pig 2. Dissecting pan 3. Dissection kit: scissors, scalpel, forceps, and rubber bands 4. Lab Manual …show more content…
Once the external anatomy was observed the pig was then laid down on the dissection pan and held down by rubber bands exposing the ventral side of the pig. Then the cardiovascular and digestive systems were analyzed. The fetal pig did in fact have small teeth which were fairly sharp. Before the lab I wasn’t aware of the intricate details of the mouth cavity or that the kidneys were underneath the intestines. The hardest part was locating the trachea and the gall bladder. Additionally actually feeling the heart and various parts of the fetal pigs internal anatomy made learning the parts of the body
Chapter 6: Mary Roach explains the use of cadavers for weapon experiments. Although it was sometimes ineffective for evidence evaluation scientist replaced them with animals such as pigs to receive better data. Changes like these were made to have more efficient experiments and have easier removal.
Teitz explains that the living spaces for the pigs are so small that they will trample each other to death, and piglets are unintentionally smashed by their mothers. Teitz asserts that, not only are the living spaces small, but they...
If a healthy female mouse gets pregnant, then excluding the weight she gains from simply growing, she will gain weight at a bit less than an exponential rate.
Thyroid and metabolism hormones play a large role in the daily lives of all living species. Thyroid hormones regulate the metabolism and the metabolism is responsible for maintaining a specific range for the biochemical reactions that occur in the body (Martini 2014). The most important hormone for metabolic maintenance is thyroxine (T4). This hormone also plays a large role in body heat regulation. It is produced by the pituitary gland and secreted by the thyroid gland. The thyroid releasing hormone (TRH) must trigger the thyroid stimulating hormones (TSH) to release thyroid hormones to the thyroid gland. These hormones are under control of the hypothalamus, or main neural control center. Propylthiouracil (PTU) is a medication used to treat
Research on human fetal life involves numerous complex medical, moral, and legal aspects. It is not always easy, nor desirable, to seal off one aspect from another. Both sides of fetal tissue use will be equally focused on as a moral issue. The topic is a timely and important one because research on human fetal life is reportedly a growing industry and the subject of legal developments both in the United States and around the world.
How are experiments done without the use of guinea pigs to help us learn and understand what is being studied? Everyday lab animals, such as mice, are used in experiments as guinea pigs because they provide similar reactions in comparison to the human body. Thus, mush knowledge of science is gained through guinea pigs. However, in Nathaniel Hawthorne’s classic stories "Rappaccini’s Daughter" and "The Birthmark" rather use humans to test their scientific studies. The stories show two families of science-based backrounds caught between a passion for success in their scientific studies and love between a father and a daughter and a husband and a wife. Throughout the stories the scientist feel they are coming closer to success in their experiments, but in reality success is lost to tragedy in the end.
Animal testing has gone back as far as three hundred B.C.E with the Greek physician and philosopher, Aristotle (*). Then there was Galen, a Greek physician, who studied animals in Rome and learned more about medicine, made advancements in understanding anatomy, physiology, pathology, and pharmacology. To modern society, Galen is referred to as being the father of vivisection. In the twelfth century in Spain, Ibn Zuhr, an Arab physician who made use of animal experimentation that led to testing the effectiveness of surgical procedures, first on animals, and then applying the information to human patients. Though most of his testings were on goats, much of his research went into postmortem autopsies and dissections. (Hajar) (Naik)
The medical procedure of Xenotransplantation, (transplanting animal organs into humans) has been happening for many years, this medical practice was proceeding mixed results and mixed views regarding the procedure. In the year 1984, a baby girl whom was named Baby Fae by medical staff, became known world wide for the medical procedure she endured. Baby Fae had a potentially fatal heart problem, she was suffering from Hypoplastic left heart syndrome which is a fatal disease if not treated by surgery, (Time Magazine, 1984). The only way to save her was to replace her failing heart with a healthy seven month old baboon heart. The medical professionals that were working on Baby Fae were excited to be able to perform this Xenotransplantation on the infant. After the procedure Baby Fae was acting like any normal healthy infant would. But unfortunately, the replacement heart surgery wasn’t a true success story as the medical staff had hoped. Baby Fae died 20 days after her surgery because her tiny body rejected the baboons heart, which then went on to cause other fatal damage such as kidney...
The Cal Poly Swine Unit was created to provide a “hands on, learn by doing” way of studying and raising pigs for the purposes of breeding, showing, and for meat sales. Within this program, students are taught management skills in the healthcare,
Thus the reason fetal monitoring is important in the case of
Windsor, Roger G. “Spare Body Parts from Animals.” Spectrum: The Wholistic News Magazine. Mar-Apr 1997.
There were a few observations proven to be different between the rat’s anatomy in comparison to the human anatomy. First of all, the rat has no gallbladder present in it’s anatomy which a human does. Secondly, the rat’s lungs appeared dark red in color where as a human’s lungs are pink in color. Also the rat’s liver has more lobes as does their lungs compared to a human’s liver and lungs. Besides these said differences, the rat’s anatomy is basically very similar to that of the human body.
The labor and delivery unit is an amazing place filled with pleasant, friendly, and knowledgeable staff members that help bring miracles into this world. The client population on the unit consisted of patients ranging in age. The patients were 16, 17, 21, and 35 years old. The staff members on the unit worked consistently well with each other. They were nonjudgmental about all client situations. There were women at all different stages of life in the unit. They were all culturally diverse some had a very large open close knit family where others had a small private family present. For some it was there very first child and wanted it to be their last; for others it was not their first and they had several other children. The staff seemed to work well together. Never once during my shift did I see anyone get out of sorts even though, it was a rollercoaster ride. One minute no one would be busy and the next there was too much stuff to do. The staff handled this well; they split up and designated the tasks at hand. No one complained about the work they had to do. The staff was effective, pleasant, calm, and worked well together at all times.
Alcamo, Edward, and Krumhardt, Barbara. Anatomy and Physiology The Easy Way. Hauppauge, New York.: Barron’s Educational series, inc. 1996
...ll human organs and the systems that they belong to. "This would be the most revolutionary type of alternative, especially for human related experiments"().