Planarian

Planarian Regeneration Mechanism Subject to Different Cut-Types Introduction: Planarian are flatworms which are common in aqueous regions all across the world. They are often used as models in the study of biomedical and biotech sciences, due to their ability to regenerate. Planarian have such advanced regenerative properties that over 1/279th of the animal can completely regenerate (Handberg et al., 2007). They have powerful regenerative capabilities because they have an abundance of neoblasts (stem-cells) that can divide into many types of tissues (Rink, 2013). Furthermore, planarian also contains muscle cells, which contain instructions that control neoblasts expression in different locations (Witchley et al., 2013). The presence of advanced…

Project Name: The effect of sugar and salt solution on the chemotaxis of planarians Introduction Questions: The research question is, “What is the effect of sugar and salt solution on the chemotaxis of planaria?” This research question is worth asking to see if planarians have an affinity toward salt or sugar solutions. By studying different types of organisms, we are better able to see the type of environment that organisms like to live in. This allows us to have a better understanding…

research because it talks about planarian. The article talks about their regeneration. They focus about the cells, epidermis, and s phase of their body. It has a clear explanation of how they regenerate and produce new head or tail. Also, talks about their reproduction asexually. This will have clear explanation on why the flatworm from the lab multiplied. The second source would be helpful for the research because it shows all the steps on how flatworms regenerate. It talks about all the…

Revolution against the basic evolutionary developmental biology arises with the astounding repair capacity of the planarian robust self assembly system and its automatic repair ability of its body structures. With its complex body plan and nervous system, a planaria possess the ability to flawlessly regenerate any part of their body after a traumatic injury or loss. It is capable of recovering its original structure and function of any damaged or obliterated body part even after being deprived…

Planarians are triploblastic acoelomates, meaning they have three tissue layers, ectoderm, mesoderm, and endoderm (Newmark and Alvarado, 2001). Their epidermal layer that surrounds the planarian is ciliated on the ventral surface (Newmark and Alvarado, 2001). Underneath the epidermal layer and the basal lamina, followed by a complex wall musculature that surrounds the body. The complex wall muscle is composed of the circular diagonal and muscle fibers (Newmark and Alvarado, 2001). The nervous…

● In this experiment, my lab partner and I wanted to examine the taxis of planarians. Taxis is an innate behavior behavioral response by an organism to a stimulus where an organism moves either towards the positive taxis or away from negative the taxis of the stimulus. There are different types of taxis which include chemotaxis, hydrotaxis, phototaxis, chemotaxis, and thigmotaxis. Phototaxis is a behavior in which the organisms show a spatial relationship to a source of stimulation, even…

as Planaria live in many different environments, and under several light variations. Planaria are found in both salt and fresh water, as well as amidst logs, soil, and a variety of plants (Conservation Commission of Missouri, 2015). This immense variety of environments corresponds with a variety of light sources, colors, frequencies and intensities. The relation of this experiment to the Planarian’s living conditions correlates to the hypothesis tested in this experiment. If light has a higher…

Introduction: Planarians are free-living aquatic flatworms that posses remarkable regeneration abilities in addition to its distinct negative phototaxis behavior. A wealth of research studies has thoroughly examined its photophobic behavior under different wave frequencies and light conditions. Planarian are highly sensitive to white light and wavelengths of high frequencies, blue-green range ( Paskin TR, 2014). Two basic pigment-cup eyes situated in the head region govern its photophobic…

The top cover of the petri dish was put back on and the planarian was put back into the cabinet. The shocking process was conducted 5 days a week and once per day. However, the feeding process was either 2 or 3 times a week and it was also done once per day. A month after testing the planarian, it was time for it to be cut and regenerated to see which half would respond to the flash of light. There had to be a way to cleanly slice the planarian in half so it could perfectly section of the head…

rate to stimuli can be observed. Planarians have the ability to fully regenerate demonstrating the fascinating study of stem cells and tissue regenerations. The regeneration of the planarian may require the planarian to reshape its form by finding the right proportion to acquire the right shape and size of its body to form a functional, bilaterally symmetrical anatomy. The regeneration period can vary with different species, some may take as short as a week to fully regenerates its body…