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Join the Amoeba Sisters a they explore different muscle tissues and then focus on the sliding filament theory in skeletal muscle! This video also briefly talks about muscle naming, some vocabulary (such as agonists and antagonists) before focusing on the sliding filament model. Video also mentions general roles of tropomyosin and troponin.
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Table of Contents:
00:00 Intro
0:39 Muscle Tissue Types
1:58 Muscle Characteristics
2:33 Skeletal Muscle Naming and Arrangement
3:26 Actin Myosin and Sarcomere
4:32 Sliding Filament Model
6:55 Tropomyosin an Troponin
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Factual References:
Betts, J. Gordon, et al. “10.3 Muscle Fiber Contraction and Relaxation - Anatomy and Physiology 2e | OpenStax.” Openstax.org, 20 Apr. 2022, openstax.org/books/anatomy-and-physiology-2e/pages/10-3-muscle-fiber-contraction-and-relaxation.
Urry, Lisa A, et al. Campbell Biology. 11th ed., New York, Ny, Pearson Education, Inc, 2017.
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Further Reading Recommendations:
What about I and A bands? What actually initiates the power stroke? How does calcium get released and from where? Remember, there is a lot more detail! We recommend this page from Openstax to learn more:
https://openstax.org/books/bio....logy-2e/pages/38-4-m
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The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and experience in teaching biology at the high school level. Amoeba Sisters videos only cover concepts that Pinky is certified to teach, and they focus on her specialty: secondary life science. Learn more about our videos here: https://www.amoebasisters.com/our-videos
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TRANSLATIONS:
Spanish Subtitles Translated by Jeremy García
Hindi Subtitles: Translated by Alisha Aggarwal
We gladly accept subtitle translations from our community. Learn more here: https://www.amoebasisters.com/....pinkys-ed-tech-favor We want to thank our amazing community for the generosity of their time in continuing to create translated subtitles.
We also have videos dubbed in Spanish and Portuguese using an artificial voice via https://aloud.area120.google.com to increase accessibility. See our Amoeba Sisters en Español channel https://www.youtube.com/channe....l/UC1Njo3LBy53cOPngz and Amoeba Sisters em Português https://www.youtube.com/channe....l/UCYTQPX2X_mXe0ZMPi
Intrauterine insemination (IUI) is a fertility treatment that involves placing sperm inside a woman's uterus to facilitate fertilization. The goal of IUI is to increase the number of sperm that reach the fallopian tubes and subsequently increase the chance of fertilization
3D scans show still pictures of your baby in three dimensions. 4D scans show moving 3D images of your baby, with time being the fourth dimension. It's natural to be really excited by the prospect of your first scan. But some mums find the standard 2D scans disappointing when all they see is a grey, blurry outline.
In order to be able to look at tissues under a microscope, we need to first stain them with the right technique. Learn the main staining techniques used in histology today on our full video: https://khub.me/aux9w
Oh, are you struggling with learning anatomy? We created the ★ Ultimate Anatomy Study Guide ★ to help you kick some gluteus maximus in any topic. Completely free. Download yours today: https://khub.me/e0th1
As you probably know, histology is the study of the microscopic anatomy of cells and tissues. So we use staining methods to visualize and distinguish the different parts of cells and tissues since cells and their structures are usually transparent or colorless. The types of dyes used to color cells and their components can either be specific to particular structures, chemical groups or even molecules, and it can also be non-specific in which case most of the cell is stained in the same way.
When staining tissue samples, dyes that are used are either acidic or basic or a combination of the two. And why is that, you might be asking. Well, cellular structures such as nucleic acids or proteins have charged groups which are known as phosphate groups or carboxyl groups, just to name a couple. The dyes used in histology are colored organic compounds which also have a charge. Acidic dyes carry a negative charge and so they bind to positively-charged cell structures.
In the full version of this tutorial, we will cover some of the most common types of dyes used in histological staining of cells and their structures:
- basic dyes vs acidic dyes vs neutral dyes;
- hematoxylin and eosin;
- PAS - staining;
- Golgi method;
- Toluidine blue;
- Masson's trichrome;
- Osmium tetroxide;
To master this topic, click on the link and carry on watching the full video (available to Premium members): https://khub.me/aux9w !
Want to test your knowledge on the different types of cells and tissues? Take this quiz: https://khub.me/3g19f
Read more on how to interpret different histological sections on this complete article which goes through the different stains used in histology https://khub.me/saimh
For more engaging video tutorials, interactive quizzes, articles and an atlas of Human anatomy and histology, go to https://khub.me/pkvz2
Dr. Horacio Asbun, Mayo Clinic in Florida, explains the Whipple procedure using this animated graphic of a pancreas. Cancer of the pancreas affects 45,000 people every year in the U.S., and it is the fourth leading cause of cancer-related deaths. The five-year overall survival rate if a tumor is detected early and surgically removed is 22 percent, versus 6 percent without early detection and surgery. To learn more, visit http://mayocl.in/2zk7FDi.
This video in Spanish/español: https://www.youtube.com/watch?v=N_zWboNMKWk
Cardiovascular Examination Clinical skills - Medical School Revision - Dr Gill
The cardiac exam is one of the clinical skills that medical students learn completely, as more often than not, patients will consult regularly about chest pain, and it is important to be able to identify key cardiovascular signs
As a junior doctor, the examination of the cardiovascular system can be almost a dreaded examination, as cardiac murmurs can literally take years of exposure in order to gain confidence with their identification through cardiac auscultation.
This video demonstrates not merely the examination of the heart, but the complete cardiovascular system including its peripheries.
I hope these clinical skill revision videos are helpful, please like and subscribe and join the community so that we can create more effective videos to help with your journey through medical school
#ClinicalExamination #ASMR #drgill
Some people have found this video useful for ASMR
Watch more clips of Dr. James Kelly - https://www.youtube.com/playli....st?list=PLe2Je5-cHxP And for more information about brain injury and PTSD, please visit us at https://www.brainline.org.
Watch more clips of Pat LaFontaine - https://www.youtube.com/playli....st?list=PL5F3273C3C8
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Inguinal or groin hernias are the most common type of hernias and most of the time occur in men. We talked with CU Medicine surgeon, Dr. Sam Phinney, about groin hernias and how they are treated. https://www.cumedicine.us/abou....t-cu-medicine/health