In addition to being a major detoxifying organ, the liver produces most of the plasma proteins, & stores valuable commodities. The liver is a large, multi-lobed organ found within the abdominal cavity. Sciatic nerve - the largest nerve in the body.Slide15 Long bone (femur) cut to demonstrate marrow cavity Tendon/tendon of Achilles – tendons attach muscle to bone. Skeletal muscle - contraction moves the skeleton Urinary Bladder – stores the urine produced by the kidneys. Oviduct – delivers the egg cell to the external environment. Kidneys - a pair of organs within the abdominal cavity. Spleen – lymphatic tissue found within the mesentery.Slide14 Peritoneum - the lining of the body cavityĪbdominal tissue supporting numerous organs. Trace from the stomach small and large portion. Small strap of tissue within the stomach’s “C” Stomach – In the abdominal cavity C-shaped. Gall Bladder and bile duct – check under the liver. Lungs – a pair located in the thoracic (chest) cavityīrachial nerve – a large nerve servicing the upper Liver – the largest organ in the abdominal cavity. We will not cover the requirements in the order previously presented. Slide12īy clicking the forward ( ) and backward ( ) button you can jump from this requirement list to the appropriate picture(s) and then back to the list. You are now ready to begin your observations.Two dissected frogs will be used to complete the dissection requirements. The body cavities have been successfully opened. The final cuts required to open the body cavity are animated.Slide11 The second cuts are made through the abdominal wall and thoracic (chest) wall. The frog exchanges respiratory gases utilizing a pair of lungs and the moist skin.Slide10 The first cuts through the skin have been made and the skin has been pinned back.Ī close look at the skin reveals the significant vasculature (blood vessels) in the skin. When making any cuts an upward pressure prevents damage to underlying structures.Slide9 The initial cuts are illustrated on this frog. The cuts are made twice, first through the skin and then through the entire body wall.Slide8 This diagram demonstrates the cuts that are to be made in order to open the body cavity. The 26 required items are seen in the diagram and listed in the next slides.Īlthough there will be some discussion regarding the physiology (function) of observed structures, physiology is not intended to be emphasized in this exercise.Slide4 The dissection will emphasize the general anatomy of this vertebrate. The purpose is to assist you if you are dissecting on your own, or to help review your understanding, and prepare for the lab practical.Slide3Īnatomical Requirements of the Dissection This presentation is not intended to replace the dissection lab exercise. Our product offerings include millions of PowerPoint templates, diagrams, animated 3D characters and more.Presentation on theme: "Frog dissection Biology 1110"- Presentation transcriptīiology 1110Lab # 5 – Review/Support MaterialSlide2 is brought to you by CrystalGraphics, the award-winning developer and market-leading publisher of rich-media enhancement products for presentations. Then you can share it with your target audience as well as ’s millions of monthly visitors. We’ll convert it to an HTML5 slideshow that includes all the media types you’ve already added: audio, video, music, pictures, animations and transition effects. You might even have a presentation you’d like to share with others. And, best of all, it is completely free and easy to use. Whatever your area of interest, here you’ll be able to find and view presentations you’ll love and possibly download. It has millions of presentations already uploaded and available with 1,000s more being uploaded by its users every day. is a leading presentation sharing website.
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