Tonicity

1) Medical and social perception of edentulism Edentulism is a condition in which the mouth is without teeth which means that all the permanent teeth are lost. Tooth loss is an outcome of a complex interaction between disease entities as: 1. Caries 2. Periodontal disease And non-disease entities as: 1. Economy 2. Oral healthcare system 3. Access to dental services 4. Dental awareness 5. Cultural tradition 6. Education Continuing exposure to risk factors after onset of edentulism: 1.…

that differentiate into TSCs are also known as Type IV taste cells. The apical tip of a TSC contains microvilli that extends into the taste pore and continuously samples the environment. Thus taste cells continuously experience wide fluctuations of tonicity, osmolarity and may come in contact with potential toxic compounds. Therefore, similar to olfactory system, TSCs area population of continuously renewing cells with an average life span of 8-12 days (Beidler and Smallman, 1965; Delay et al.,…

movement of water in and out of cells. Osmoregulation regulates the water concentration in cells to maintain homeostasis, which is very important for our bodies and living organisms. When cells go through osmosis, their shape will change due to tonicity. Tonicity is the tension in the fluid, which is due to the concentration of dissolved solutes within it. Furthermore, osmosis has three different types of solutions called isotonic, hypertonic, and hypotonic. osmosis has three different types of…

In this experiment we aim to that % hemolysis is going to decrease as osmolality increases because the more concentrate is the solution, the less cells going through hemolysis. Thus, there is not enough water entering the cell to produces the cells to burst. The main clue is when the water is completely dilute, so we have 100% hemolysis. Hemolysis is correlated with the behavior of the cell specifically refers as hypotonic. The results correlated with the raised hypothesis, the data overall…

Animal testing has been used for 150 years, various tests can be performed, and all have many different purposes. During the 17th century, William Harvey was one of the first, recorded people to conduct a studies on animals. His objective was to conduct several studies on animal to pinpoint how blood circulated. During the 19th century the use of animals, for scientific research had boomed, along with anesthetics. Due to this, in 1876, the Cruelty to Animals Act was passed, making it the first…

Colloids and Crystalloids on fluid resuscitation during hypovolemic shock John Tristan Pahuyo, Staff Nurse ACCU-Barts Heart Centre Hypovolemia is generally defined as having a significant amount of blood volume loss. Shock, on the other hand, is a medical emergency characterized by inadequate blood flow to organs and tissues thus reducing oxygen delivery that leads to organ dysfunction. Hypovolemic shock is described as a loss of greater than 15% of the intravascular volume. It is caused by an…

Within the human body, the natural process of moving soluble molecules across a membrane is referred to as passive transport. For this type of transport chemical energy is not necessary. Two of the main types of passive transport that the human body utilizes are osmosis and diffusion. Diffusion is the movement of a hydrophobic substance across a semi-permeable membrane without the use of cell energy from a gradient area of higher concentration to an area (either inside or outside of the cell)…

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weight. The biggest difference in mass was at 0% and 5% salt concentration. Table 1: Shows the change in Potato weight in the Salt concentration Salt Concentration (NaCl) Beginning Potato Weight (g) Potato weight after 20 minutes Difference in Mass Tonicity of…

of the membrane. Osmosis is a special case of diffusion using water molecules to pass through the lipid bilayer, water can flood out bad toxins in the cells and also creates a hydrogen-bound strand inside the membrane. In reference to osmosis and tonicity meaning the strength of the solution, water moves throughout the body into areas of lower or higher concentrations of…