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AziaCole

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About AziaCole

  • Birthday February 5

Profile Information

  • Location
    in my own bubble of reality
  • Interests
    Weird Random Stuffs.
  • College Major/Degree
    Bachelor of Medical Laboratory Scientist (2nd Year)
  • Favorite Area of Science
    Medicine, Biochemistry
  • Occupation
    Student. :D

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  1. I have watched quite a bit of videos from youtube. Most of them are pretty much the same thing as what our teacher have taught us. I haven't however, found one that deals with hitting the veins. Though, if anybody had, please, please send me a link. Thanks.
  2. Hello. I am a third year Medical Technology student. In our country, Phlebotomy is almost always done by the MedTechs. You can say that it is a very, very vital skill for me to learn. However, no matter how many times I've done it, I can't seem to get it right. Our class is using vacutainers and is currently working on the median cubital vein. While I have no problem locating the vein with my fingers, everytime I slide the needle in, no blood comes out when I finally insert the vacutainer tube. I always, always seem to be missing the vein. Is there any tips or tricksin hitting the veins? How would you know if you've already hit one? My uncle, an old student of Physical Therapist, said that muscles feels smooth, veins are hard. Is this true? I really need to get this right to pass my course. I already pity my siter who has been acting as my own personal guinea pig and I've wasted to much multi-sample needles and vacutainer tubes. Any help? I am about to cry from frustration.
  3. I see. Thank you. You've answered a lot of my questions. I think I'll be able to do my reporting in class. Thank you so much!
  4. Honestly speaking, I'm not sure if this post is in the right place. I'm actually asking help for a reporting of mine, not for a homework. So, if I'm ever in the wrong place, I'm terribly sorry. Feel free to move this thread elsewhere if that's the case. And please don't kill me, Mods. My report is on, as you might have seen from the tittle, about Tissue or Organ Engineering. I've research quite a bit on the topic and have already understood the basics, or at least I think I do. Basically, you create a protein scaffolding (or get one from a dead organism) of the tissue/organ you want to create, seed the cell in this scaffolding until it forms the tissue/organ then implant it in the patient's body. However, even thought I've scoured the net, I still have a few question left unanswered. Five of them actually. The first one concerns the scaffolding that will hold the cells in place. Getting one from a dead organism is easy, however, I can see no article that explains how to make on from scratch. Though, I have to hazard a guess that that approach is way harder that just getting one from a cadaver. Which is maybe why there's no article for that. My next question is about the growth of this bio-engineered organs. While I was reading news articles about Hannah Warren, the girl who was transplanted with a bio-engineered windpipe, I noticed a comment that her doctor made. Apparently, Dr. Macchiarini, plans on replacing her windpipe with a new one after four years (or, at least, he had planned to, poor child). Why though? Does the organ not grow inside the body, and would soon be to little for the patient, kinda like a fake arm, and must be replaced one day? Or does it have a shorter lifespan than the original one and will later die? Why was there a need to replace the windpipe? While I was reading some more articles, all of them mentioned that it was actually hard to create an actual 3D organ. They were able to create a pulsating mass of tissue in a petri dish, but it's shape was nowhere near that of the heart's. However, despite that, there are already people being transplanted with bio-engineered bladders and bio-engineered windpipe. Since I hardly doubt that they'd place a mush of flesh in the place of a bladder or a windpipe, and also because I saw pictures of bio-engineered windpipes in the net, I can only conclude that that these transplanted organs are indeed in 3D form. That means that they actually have a way of creating three dimensional organs. Or is the heart really has that complicated of a structure compared to that of a bladder or a windpipe? Another one that got me confuse is where the cells would come from? From what I can gather, it's mostly autologous cells. But what type of cells? Stem cells from the patient? Cells from the organ you're trying to make? Or would any cell in his body will do, the skin, for example? My last question is not actually going to be included in the report. I'm actually asking it because of my own curiosity. Since it came from the patient's own body, it's immune system will not reject it, but there is, as always, huge risks that the organ might just fail. What are the possible causes for that? Would they have shorter life-spans, like clones? Or what? Well, Isn't this a long post. *laughs nervously* I sincerely thank anyone who'd read this post until the end. As for anyone who'd reply and clear up any of my confusion, you guys are awesome. This is a really cool and interesting topic. While I was researching on this, I can't help but think how amazing the future would be if this technique is perfected. Tissue/Organ Engineering is really, really, amazing. AziaCole ^o^
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