Evolutionary developmental biology

Upon development, the nervous system wires itself completely – an impressive feat considering the millions of connections and neurons in the body. However perhaps even more impressive is the ability of the nervous system to restore neuronal connections after injury. This is particularly advanced in frogs, fish and invertebrates as once an axon is cut in the central nervous system, the regeneration allows full functional recovery whereas in the mammalian central nervous system full recovery is…

Stem cells are truly the stem of our existence saying how these microscopic cells have an astronomical job. Ever since we were all embryos, we’ve had stem cells, specifically embryonic and adult stem cells. Many factors tie into the world of stem cells such as what and where they came from, the research done on stem cells, and the legislation along with my personal opinion on the research. There are two characteristics that separate stem cells from other cells, one is that they are unspecialized…

Picture this, your best friend is rushed to the hospital due to him/her being involve in a car accident. It is later found out that your friend in in dire need of a new lung in order to survive. Frantically, you're willing to donate one of yours as a means to save your friend life. Only, there is one problem; your lung is not compatible with your friends. There is one potential way to save your friends life, through the use of stem cells. We are on the verge of a major scientific and medical…

Discussion Dugesia regeneration is happening and the response 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…

can be repaired: direct bone healing is when the bones are intervened and set into place to allow for repair, indirect bone healing is allowing the fracture to heal naturally without any intervention from a third party. This paper will review the biology of a fracture and how stem cells and ossification processes coordinate with indirect and direct fracture healing of the bone. ______________________________________________________________________________ Introduction Bone is a living tissue…

Some people believe that cloning is a good thing and some people think it’s a bad thing. “Critics warned that the technology brought with it a high risk of miscarriage and stillbirth (born full-term dead) and for those creatures that did survive, ill health and premature death.” “Doctors hope to use cloning technology to generate stem cells from patients that can then be used to repair damaged parts of the heart, liver, lungs, brain or other vital organs in illness ranging from cardiovascular…

Reading Paraphrastically: Ethics of Stem Cell Research Summary of website: Ethics of Stem Cell Research is a website that describes why stem cell research may be viewed as morally wrong. The argument focuses on a number of viewpoints that is mainly focused on human embryos. The article’s discussed why individuals may not support stem cell research that involves human embryos. The website has several points that show the viewpoint of individuals against stem cell research and possible counter…

Stem Cells and their Possibilities “It makes you select between two moral principles: you should respect the value of human life; or you should do something to alleviate suffering.”-Pros and Cons of Stem Cell Research Stem cells are a type of cell that has the ability to change into any type of specific cell that is needed. These cells are essential in research regarding regenerating muscles, bones, limbs or any other body part that has the possibility of regeneration. Organs generated from…

It was the day I had to set up an interview with an expert on the topic that I chose, stem cell research. After many google searches and phone calls I decided to interview Dr. Aaron Garman, a Family Medicine Practitioner who lives in North Dakota. Dr. Garman graduated from the University of North Dakota School of Medicine and Health Services and has been practising in the field for 20 years scense. I chose Dr. Garman because he is a doctor and occasionally works on or sees stem cell research…

Human embryonic stem cells (hESCs) continue to be a leading topic to scientific discussions due to their potential medical advantages. Embryonic stem cells originate from gathering and culturing the cell mass from a blastocyst stage embryo developed via in vitro fertilization in specialized fertilization clinics. Human stem cells are great for utilization in clinics and research about the development of the human body. This work consists of identifying how undifferentiated stem cells become the…