Penis function of fetal pig

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The next three labs will examine the design and structure of animal anatomy through dissection, comparative anatomy, and physiological processes. The identification of anatomical structures, their function, and evidence for structural changes in organs and systems as animals diversified and adapted to different environments and habits are emphasized. The vertebrate body can be conveniently divided into a series of organ systems, each of which contributes to a major physiological function of the body.

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Place the fetal pig on a dissecting tray ventral belly side up. Use two or three rubber bands to tie the right hind leg around the ankle. Run the rubber bands around the underside of the tray and tie the left hind leg.

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The fetal pig that you will dissect has been injected with a colored latex rubber compound. The arteries have been filled with red latex and the veins with blue. An incision was made on the side of the neck to enable the injections.

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Fetal Pig Dissection Background: Mammals are vertebrates having hair on their body and mammary glands to nourish their young. The placenta is the source of food and oxygen for the fetus, and it also serves to get rid of fetal wastes. The dissection of the fetal pig in the laboratory is important because pigs and humans have the same level of metabolism and have similar organs and systems.

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Shared Flashcard Set. Title fetal pig dissection. Total Cards

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Fetal pigs are unborn pigs used in elementary as well as advanced biology classes as objects for dissection. Pigs, as a mammalian speciesprovide a good specimen for the study of physiological systems and processes due to the similarities between many pig and human organs. Along with frogs and earthworms, fetal pigs are among the most common animals used in classroom dissection.

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In biological terms sexual reproduction involves the union of gametes - the sperm and the ovum - produced by two parents. Each gamete is formed by meiosis see Chapter 3. This means each contains only half the chromosomes of the body cells haploid. Fertilization results in the joining of the male and female gametes to form a zygote which contains the full number of chromosomes diploid.

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This content is taken from our book, Managing Pig Health, the industry leading pig publication. Available now from 5mBooks. Terminology Abortion - The production of a premature non-viable litter, days or less after mating.

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Fetal Pig Dissection Lab 3. Anatomy of the Reproductive and Excretory Systesm. For this lab activity you should follow the instructions provided in the Units of your fetal pig dissection guide that came with the fetal pig you purchased pp. You should also be able to recognize the corresponding structures in diagrams and models of the human body.

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