Kidney From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search For other uses‚ see Kidney (disambiguation). Kidney | | Human kidneys viewed from behind with spine removed | Latin | Ren (Greek: nephros) | Artery | renal artery | Vein | renal vein | Nerve | renal plexus | The kidneys are organs that serve several essential regulatory roles in most animals‚ including vertebrates and some invertebrates. They are essential in the urinary system and also serve homeostatic functions such
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Rat Dissection Prelab 1. Is your left like your right side? It should be similar to your right but there can be differences like if damage was done to one side or if one side was mutated and disfigured. 2. Name an animal that doesn’t have a left and right side. Snakes don’t have a left and right side but there is an interesting study about that which is that Adult snakes (16 of 20 snakes) preferred to coil in the clockwise direction. Many female snakes (15 of 20 snakes)‚ but few male
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Background: As members of the class Amphibia‚ frogs may live some of their adult lives on land‚ but they must return to water to reproduce. Eggs are laid and fertilized in water. On the outside of the frog’s head are two external nares‚ or nostrils; two tympani‚ or eardrums; and two eyes‚ each of which has three lids. The third lid‚ called the nictitating membrane‚ is transparent. Inside the mouth are two internal nares‚ or openings into the nostrils; two vomerine teeth in the middle of the roof
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forelimbs on either side of medial cut and stopped in same place as skin o used scissors to cut off left and right flaps of abdominal muscles to make clear window o used hands to sex frog by moving aside organs and located oviducts on top of kidney and noticed absence of eggs o used forceps to lift 3-lobed liver to view stomach and intestines o used forceps to pull out small intestine to view mesentery o used dissecting needle to locate gallbladder right under liver and noticed
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Comparative Anatomy Title: Date: Aim/Hypothesis: To compare the anatomy of the cane toad and the rat in order to … Materials and Safety/Ethical considerations: List materials used in the dissection Explain the safety and ethical considerations when collecting and dissecting animals. You can refer to the email sent home about toad collection in this section. Method: 1. A rat and a cane toad were dissected to compare their similarities and differences in anatomy structure. 2. Newspaper
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DISSECTION PROCEDURES Each class will be divided into dissection groups of 4 students. Your participation in the dissections will be assessed in your final grade at the end of the semester. These guidelines will be followed: 1. Participation: each member is expected to participate in all activities. Defined roles include: i. “Surgeon” – performs major work of dissection‚ identifies structures. ii. “Nurse” – assists the surgeon‚ cleans and ties structures
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Primary functions of the kidney: — Maintaining homeostasis through the regulation of fluid and electrolytes and removing wastes through the formation of urine. ž Other important functions: — Regulation of acid-base balance — Control of blood pressure — Renal clearance — Regulation of RBC production — Synthesizing vitamin D to the active form — Secreting prostaglandins — Regulating calcium and phosphorus balance. Nephron ž Each kidney has about 1 million
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The liver converts excess protein into urea. The kidneys remove unwanted substances such as urea‚ excess water and salt. © Boardworks Ltd 2009 What is urea? Excess amino acids in the body are broken down by the liver‚ producing a waste substance called urea. This process is important because it converts toxic ammonia to urea‚ which is done using carbon dioxide. Once formed‚ urea is transported by the circulatory system to the kidneys. The kidneys filter the blood‚ removing urea and excess water
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Animal Dissection: No Longer Cutting Edge American Politics 115-01 Dr. Griffith Chelsea Morrison April 24‚ 2012 The use of animals in science that results in harm or death has traditionally played an integral role in education. Many thousands of animals have been killed worldwide during attempts to teach practical skills or to demonstrate scientific principles which have‚ in many cases‚ been established for decades. Anatomy and experimental physiology started to be practiced around 300 B.C
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Introduction The Cat Dissection lab consisted of various procedures ranging from skinning the cat to performing the likes of a brain surgeon in cutting it’s brain out‚ but there were three major questions focused on when conducting the entire process. They included muscular differences between humans and cats‚ teeth and dental structure within the cat’s mouth compared to a humans‚ and the third being the differences between a human’s fingernails and the claws of a cat. These three questions
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