Dr.Fink's lectures have been a blessing to me. I appreciate you taking the time out to post them because some professors do not break down the material to where it stays into my brain the way you do. Thank you
Thank you so much Prof. Fink,you are making a great positive impact in people's life.I don't know how much to thank you,may God bless you ever and ever
my nephew is the normal 18 year old young boy fresh out of Inglewood high school, when he was 17 he talked about how he wanted to become a nurse. sometimes we would get into big arguments about his education, his social circle, his life, girls or what ever. i make him do something educational, i make him put on his dre beats headphones, so he can hear clearly and listen to Professor Fink. the first video i made him watch was the REPRODUCTIVE SYSTEM. lol to funny, I was surprised because he was totally into it. last year fall i took a women's health class, and the first chapter was the reproductive system. I got an A on my first exam, in fact I got an a in the class. yayyyy lol now Im taking Psychology 1and this is why I'm here. lol these videos are sooo helpful. unlike some other youtube videos, no shade.. i get it the first time around.. but i love to go back and watch again and again. thanks Professor Fink Los Angeles, Ca
You are AMAZING!!! :) Thank you so much! Also the clapping kept me focused anytime I started to drift... I jumped a few times... not gonna lie... sympathetic nervous system response?? :)
Thank you so much prof fink. I do understand a whole lot and it’s indeed helpful. But I have a challenging question tho. If the diaphragm is inside the body how then is it a skeletal muscle and we can control our breathing since it’s controlled by the diaphragm?
Very Good Question! (And Often Asked). I Explain About the Voluntary (Pyramidal Tract) Pathway AND the Involuntary (Extrapyramidal Tract) Pathways That Control Our Skeletal Muscles at about the 30:00 minute mark of this Video Lecture: THE SPINAL CORD & SPINAL TRACTS; PART 2 by Professor Fink ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-tiYvm7T-Fs0.html
If we assume that inside each spinal nerve 4types of nerve fibers,why for example in the C6 nerve that innervate the thumbs which supposed to be an area under our control voluntary area have inside their nerve have autonomic motorneroun and visceral sensory nerve fibers.
The "simple" answer to your question is that are autonomic motorneurons controlling even the blood vessels in your thumb automatically. The "REAL" reality behind C-6 is much more complicated than I have presented, since it is part of the brachial plexus and there are actually no parasympathetic or sympathetic autonomic motorneurons in the cervical spinal nerves. As you understand the body, you will learn that the levels of complexity get much greater. BUT, you have to start with at least a basic level.
Ugh I love this so much. I have a Q if anyone knows. I intern (Pre Med, like a CNA) in a hospital ER & PACU so I see a lot of nerve blocks, post knee replacement is most common, or often for an arm or shoulder injury. So injection site is always subclavlicle or where we'd get a femoral pulse, and I always ask the anesthesiologists "When you're injecting this medication to stop the pain, WHY doesn't it stop motor function??? And how do you know WHERE to inject that motor neurons won't be impacted". I can see Med school flashing through their minds but I've never received a real answer. They just know haha! I asked if its the specific medication, location, and have been told "not really but sometimes". Sometimes they want to stop motor function for a patient, rarely, but I've seen it with a few bad arm breaks. So they'll inject and stop both sentry and motor. They're really fishing with a needle for the landmarks on an ultrasound, and even IF a neuron could jump up and shout "I'm A Motor Neuron!", they still are pushing a good amount of fluid medicine in to surround the entire nerve. Amazing, but I don't understand:)
Here are 2 sources that may (partially) answer your excellent question: Common Regional Nerve Blocks prc.coh.org/ComRegNB.pdf Differential Sensitivity of Nerve Fibers to Local Anesthetics www.nysora.com/mobile/regional-anesthesia/foundations-of-ra/3492-local-anesthetics-clinical-pharmacology-and-rational-selection.html
Amazing lectures. Wish I had learnt it earlier. Could you please tell me what other subjects besides anatomy and physio u have...I'm looking up for path and biochem lectures .
Physiology is less "memorizing" than it is "understanding". You need to watch video lectures, take good notes, read your notes over and over UNTIL YOU CAN EXPLAIN the topic. Because our attention spans are limited, study & review with concentration for shorter periods of time more often. As you learn new information, be sure and review the older information. Study review questions.
When I was six, I was envious that my caretaker could move her ears at will but I could not. However, I learned to move my ears when I was fourteen. In the following years, I gained control over several different external ear and scalp muscles. Of course, I could never control the middle ear muscles.
The muscularis layer of the wall of the stomach is visceral smooth muscle innervated by autonomic motorneurons. Similarly, the gastric glands in the mucosal layer of the wall of the stomach are exocrine glands innervated by autonomic motorneurons.
professorfink To the absolute BEST A & P Professor I (& obviously countless others turn to, in order to better comprehend & to even make A & P a bit of FUN as learning should be all this & more....I’ve tried to open your website link, but continually get the msg. “Site is down,” Is there another link to U??? I enjoy listening to your VAST & the refreshing & expert way that you so kindly express & share your knowledge..so I sincerely pray you will share another link. How proud your family must be! 😘
YES; the baroreceptors are categorized as "visceral sensory neurons". See the following Video for definitions & more information: Professor Fink's Video Lecture on the Organization of the Nervous System & Types of Neurons; PART 2: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-_RKfEW9MXhs.html PROFESSOR FINK'S VIDEO LECTURE ON THE INTRO TO SENSORY PHYSIOLOGY: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-HG5mw_GRAgk.html
