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23 Jan 2021

Definition of Lipids: Lipids are a heterogeneous group of organic compounds that are important con­stituents of plant and animal tissues. Necrosis means cell death, which happens when cells do not get enough oxygen. This coloured non-polar substance dissolves in lipids and renders them visible under the microscope. An object's mass is constant in all circumstances; contrast this with its weight, a force that depends on gravity. Examples of Esters . Mass is the quantity of inertia (resistance to acceleration) possessed by an object or the proportion between force and acceleration referred to in Newton's Second Law of Motion (force equals mass times acceleration). Mass definition is - the liturgy of the Eucharist especially in accordance with the traditional Latin rite. Scientific Definition of Mass . One of the first steps in the calculation is to deduce lean over gross body mass with the following equation: Lean = Weight in kg x (1.0 - (Body fat %/ 100.0)) The mass density of an object is defined as its mass per unit volume. Saponification is a process by which triglycerides are reacted with sodium or potassium hydroxide (lye) to produce glycerol and a fatty acid salt called "soap." The term "ester" was coined by the German chemist Leopold Gmelin in 1848. Mass measures the quantity of matter regardless of both its location in the universe and the gravitational force applied to it. (A BMI of 30 is about 30 pounds overweight.) However, with the two-component model of body composition, these sources of essential fat are estimated and subtracted from total body weight to obtain the fat-free mass. A. In other words, the more mass an object has, the more force it takes to get it moving. This parameter can be expressed using several different units, including kilograms per meter cubed (kg/m 3) and pounds per square foot (lb/ft 2).Mass density is represented by the lower-case Greek letter rho, ρ, although the Latin letter 'D' has also historically been used. Saturated fats have the same number of calories as other types of fat, and may contribute to weight gain if eaten in excess. Metabolic syndrome is a clustering of at least three of the following five medical conditions: abdominal obesity, high blood pressure, high blood sugar, high serum triglycerides, and low serum high-density lipoprotein (HDL).. Metabolic syndrome is associated with the risk of developing cardiovascular disease and type 2 diabetes. Fatty breast tissue is … When fatty breast tissue gets damaged, a lump of dead or damaged tissue can form. NaOH). Anabolism or biosynthesis is the set of biochemical reactions that construct molecules from smaller components. If your BMI is less than 18.5, it falls within the underweight range. An atheroma is a fatty deposit on the inner walls of arteries.ointment or unguent It does not mean that this type of body fat is unnecessary, though - part of it protects your abdomen and internal organs. Ethyl acetate (ethyl ethanoate) is an ester. How to calculate body fat? Here are important facts about these essential amino acids, their benefits and food sources. fat [fat] 1. the adipose tissue of the body. To calculate BMI, see the Adult BMI Calculator or determine BMI by finding your height and weight in this BMI Index Chart external icon. Lesson Summary. Each fat molecule contains one glycerol residue connected by ester linkages to three fatty acid residues, which may be the same or different. If you're trying to lose weight, you should try to decrease fat mass and maintain or increase important fat-free mass like muscle and bone. Synonym Discussion of mass. Lipid, any of a diverse group of organic compounds including fats, oils, hormones, and certain components of membranes that are grouped together because they do not interact appreciably with water.One type of lipid, the triglycerides, is sequestered as fat in adipose cells, which serve as the energy-storage depot for organisms and also provide thermal insulation. The following fatty acids have one unsaturated bond. You can estimate your body composition with our body fat percentage calculator. Sarcopenia literally means “lack of flesh.” It’s a condition of age-associated muscle degeneration that becomes more common in people over the … Being overweight or obese increases the risk for medical conditions such as heart disease, metabolic syndrome, high blood pressure, or type 2 diabetes. The National Institutes of Health (NIH) now defines normal weight, overweight, and obesity according to BMI rather than the traditional height/weight charts. The fact that different lipids have different polarities means that it is impossible to select a single organic solvent to extract them all. Saponification is a process that involves the conversion of fat, oil, or lipid, into soap and alcohol by the action of heat in the presence of aqueous alkali (e.g. “Lean body mass” is often used interchangeably with the term “fat-free mass” although there is a slight difference. Medical Terminology Questions. It is likely the term was a contraction of the German word "essigäther," which means "acetic ether." Most of us have a body fat percentage that is much higher than what we need. Remember that no calculator, however complicated, can replace a visit in a doctor's office. Since there is some essential fat in the marrow of your bones and internal organs, the lean body mass includes a small percentage of essential fat. 2. a triglyceride (or triacylglycerol) that is an ester of fatty acids and glycerol. Typically, anabolic and catabolic reactions are coupled, with catabolism providing the activation energy for anabolism. Mass is a measure of the amount of matter in an object. Definition of Mass. A high BMI can be an indicator of high body fatness. Using potassium hydroxide results in a soft soap. Nothing is 100% in medicine, so no one can guarantee you anything. Mass is usually measured in grams (g) or kilograms (kg). Storage body fat is the mass of additional accumulated fat. The BMI calculation divides an adult's weight in kilograms by their height in metres squared. They are arbitrarily classed together according to their solubility in organic solvent such as benzene, ether, chloroform, carbon terachloride (the so-called fat solvents) and their insolu­bility in water. This includes your skin, bones, muscles, organs, ligaments, tendons, and body water. How to use mass in a sentence. A sebaceous cyst is a mass filled with a fatty paste. The body mass index (BMI) is a measure that uses your height and weight to work out if your weight is healthy. Question:.If Body Fat Has Decreased But The Scale Has Stayed The Same, This Means Your Client Has Gained Which Of The Following? What is Mass? Generally, a fatty acid consists of a straight chain of an even number of carbon atoms, with hydrogen atoms along the length of the chain and at one end of the chain and a carboxyl group (―COOH) at the other end. Fat Mass Water Weight Bone Density Lean Mass Saturated fat is found in full-fat dairy products (like butter, cheese, cream, regular ice cream, and whole milk), coconut oil, lard, palm oil, ready-to-eat meats, and the skin and fat of chicken and turkey, among other foods. Iodine reacts with the carbon-carbon double bonds. Thus the greater the number of double bonds, the higher the iodine number. Saponification of fats. Fatty acid, important component of lipids (fat-soluble components of living cells) in plants, animals, and microorganisms. According to the American Liver Foundation, fatty liver disease occurs when more than 5% – 10% of the liver is made up of fat. Lean body mass is the weight of everything in your body minus your nonessential fat. Body Mass Index (BMI) is a person’s weight in kilograms divided by the square of height in meters. Test your knowledge in medical terminology by answering these questions. 409) - A member of the azo dye family used to identify neutral lipids and fatty acids in smears and tissues. In general, fats have lower iodine numbers than oils because oils have greater percentages of carbon-carbon bonds that are double bonds. Soaps are salts of fatty acids and fatty acids are mono that have long carbon chains (at least 10) e.g. Obesity has been more precisely defined by the National Institutes of Health (the NIH) as a BMI (Body Mass Index) of 30 and above. Crotonic acid. When sodium hydroxide is used, a hard soap is produced. These methods include: Skinfold calipers; Hydrostatic Weighing ; Air displacement plethysmography; Each of these has their pros and cons, and accuracy may vary depending on a number of factors unique to each testing method. Anabolic reactions are endergonic, meaning they require an input of energy to progress and are not spontaneous. The mass of a body is a measure of this resistance to change; ... Additional complexity in the meaning of matter comes from astronomical observations that began in the 1930s and that show that a large fraction of the universe consists of “dark matter.” This invisible material does not affect light and can be detected only through its gravitational effects. Though all 20 amino acids are vital for your health, only nine are classified as essential. Body mass index: A key index for relating weight to height. The chromophore is the azo group (-N=N-) which connects two aromatic rings. Research from the American Liver Foundation has also found that up to 25% of Americans suffer from fatty liver disease. Saturated fatty acids are compounds that consist of a hydrocarbon chain and a carboxylic acid group (-COOH) at the end of the chain. BMI ranges. Each of the three formulas used is explained below. For most adults, an ideal BMI is in the 18.5 to 24.9 range. Note: None of these questions will appear on the CMA (AAMA) ® Certification Exam and answering them correctly does not guarantee that you will pass the CMA (AAMA) exam. Abbreviated BMI.BMI is a person's weight in kilograms (kg) divided by his or her height in meters squared. The terms fat, oil and lipid are often used interchangeably by food scientists. The iodine number is the mass of iodine, in grams, that is consumed by (reacts with) 100 grams of a fat or an oil. However, provided it's indeed lipoma (a benign tumor, not cancer which is called liposarcoma), then it's not suppose to cause any specific problems after it's removed surgically. The hydrogen on the carboxyl group of acetic acid is replaced with an ethyl group. Fatty liver disease is one of the most common types of liver disease in the United States. Consider the following three statements: ... (this may be referred to as Fat-Free Mass) and Fat Mass. Oil-red-O - (Solvent red 27; M.W. For example, A BMI of 25 means 25kg/m2. Anabolism Definition . sodium palmitate. For more in-depth body composition analysis, you would … The BMI, a key index for relating body weight to height, is a person's weight in kilograms (kg) divided by their height in meters (m) squared. Fatty acid molecular species Mono-unsaturated fatty acid. Read these instructions before taking this practice exam. Also, test your knowledge in anatomy and physiology. 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