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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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Comics: https://www.amoebasisters.com/....parameciumparlorcomi
Unlectured Series: https://www.amoebasisters.com/unlectured
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Want to learn tips for viewing edu YouTube videos including changing the speed, language, viewing the transcript, etc? https://www.amoebasisters.com/....pinkys-ed-tech-favor
MUSIC:
Our intro music designed and performed by Jeremiah Cheshire.
End music in this video is listed free to use/no attribution required from the YouTube audio library.
COMMUNITY:
We take pride in our AWESOME community, and we welcome feedback and discussion. However, please remember that this is an education channel. See YouTube's community guidelines and how YouTube handles comments that are reported by the community. We also reserve the right to remove comments.
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
Transvenous cardiac pacing, also called endocardial pacing, is a potentially life saving intervention used primarily to correct profound bradycardia. It can be used to treat symptomatic bradycardias that do not respond to transcutaneous pacing or to drug therapy.
Learn how to give an intramuscular injection
When placement of a urethral catheter is contraindicated or unsuccessful, percutaneous suprapubic urinary bladder catheterization is a commonly performed procedure to relieve urinary retention. [1, 2] This topic describes the Catheter over needle technique. The Seldinger technique is described in the Clinical Procedures topic Suprapubic Aspiration.
An ingrown toenail may be painful, but most you can treat at home. Here's how -- and when to call a doctor:
A complete organized library of all my videos, digital slides, pics, & sample pathology reports is available here: https://kikoxp.com/posts/5084 (dermpath) & https://kikoxp.com/posts/5083 (bone/soft tissue sarcoma pathology)
Topics discussed:
Epidermis:
Layers of epidermis: 0:10
Melanocytes vs Keratinocytes: 5:16
Langerhans cells: 10:10 & 33:30 & 57:30
Dermis:
Papillary and reticular dermis: 11:50
Three types of white empty spaces on a slide: vessels, glands/ducts/cysts, or artifact: 15:25
Blood vessels & nerves: 18:24 & 48:50 & 58:59
Arrector pili & other dermal smooth muscle: 20:00
Adnexal:
Sebaceous gland: 21:10
Hair follicle 23:14
Eccrine sweat glands and ducts 24:45 & 50:00
Gland/duct vs blood vessel 27:20 & 48:50
Apocrine glands: this video https://kikoxp.com/posts/7837 (at 12:30)
Acrosyringium: this video https://kikoxp.com/posts/7837 (at 10:00)
Three types of pink bundles: smooth muscle, nerve, dense connective tissue: 27:50
Acral skin (palm sole) with contact dermatitis 29:37
Parakeratosis 30:00
Perivascular lymphocytes 30:40
Eosinophils vs neutrophils 31:20
Spongiosis with desmosome keratinocyte spines 32:10
Spongiotic vesicles with Langerhans cells 33:30
Normal acral skin (palm & sole) with stratum lucidum 34:20
Normal glomus body/apparatus (canal of Sucquet-Hoyer) 35:40
Nerve 36:46 & 51:50
Adipose tissue (white fat cells) in subcutis with Lochkern 37:55
Normal scalp skin with large anagen hair follicles: 39:30
Hair follicle anatomy (bulb/matrix, inner root sheath, outer root sheath, hair shaft, isthmus, infundibulum): 40:55 (labeled images):
https://kikoxp.com/posts/3661 & https://kikoxp.com/posts/7899
Pacinian corpuscle 50:40
Meissner corpuscle 1:02:28
Dense regular connective tissue (Fascia/Tendon/Ligament) vs Smooth Muscle 53:00
Basic Normal Skin Immunohistochemistry:
-cytokeratin in epidermis: 55:33
-S100 in melanocytes and Langerhans cells and adipocytes: 57:30
-Desmin in smooth muscle (arrector pili and blood vessels): 58:59
-CD31 in endothelial cells of blood vessels: 59:33
-SOX-10 in melanocytes: 1:00:40
Digit/Finger/Toe histology (amputation for subungual acral melanoma) 1:04:10 & 1:08:30
-bone 1:05:40
-glomus body 1:05:15
-tendon/ligament 1:06:10
-artery 1:06:58
-fingernail/toenail 1:08:54
-acrosyringium 1:10:45
Solar elastosis (what wrinkles look like microscopically!) 1:11:50
Other videos you might like:
Tendon vs Nerve Histology Made Simple with the Ramen Noodle Sign (of Fulton) video: https://kikoxp.com/posts/4466
Melanocytes vs Keratinocytes made easy video: https://kikoxp.com/posts/3802
Blood Vessel vs Gland vs Artifact Made Easy video: https://kikoxp.com/posts/4808
The basic normal structures of the skin discussed and described by a dermatopathologist. This material is intended for use by medical students, junior pathology or dermatology residents, or for anyone else studying normal human histology. Special thanks to two of my medical students at UAMS for helping make this video possible. Miki Lindsey convinced me that I really needed to sit down and record this video. Akash Patel took time to edit the video and make it ready for YouTube. My sincere thanks to both of them for helping me overcome procrastination.
Huge thanks to Abigail Cline, a medical student at Medical College of Georgia, for volunteering to type a transcript of this ENTIRE video (over 14,000 words!) so that I could provide closed caption subtitles for those with hearing impairments and for those who may need assistance in understanding spoken English (particularly given how quickly I speak!). You can access a text version of her transcript of my video here: https://kikoxp.com/posts/5390
Correction - I made a mistake in the video. I said that sebaceous gland secretions are turned into smelly substances by bacteria and that this makes body odor. That is incorrect. That is actually true of APOCRINE gland secretions not sebaceous secretions.
Also, in the past I used "keratinocyte" and "squamous cell" interchangeably (this is because in dermatopathology, we see and talk about squamous cell carcinomas all the time, and those tumors are composed of keratinocytes). But technically, in normal skin histology, "squamous cell" refers only to the flattened keratinocytes in the superficial epidermis. Thankfully, a histology PhD colleague pointed this out to me and corrected my lazy nomenclature!
Please check out my Soft Tissue Pathology & Dermatopathology survival guide textbooks: http://bit.ly/2Te2haB
This video is geared towards medical students, pathology or dermatology residents, or practicing pathologists or dermatologists. Of course, this video is for educational purposes only and is not formal medical advice or consultation.
Presented by Jerad M. Gardner, MD. Please subscribe to my channel to be notified of new pathology teaching videos.
Follow me on:
Snapchat: JMGardnerMD
Twitter: @JMGardnerMD
Instagram: @JMGardnerMD
Facebook: https://www.facebook.com/JMGardnerMD/
Diabetes Effects on Body Animation 3D
Broken or Dislocated Ankle Joint
Classification of epithelium, discussion on lining epithelium of 3 major system (GIT, Urogenital and Respiratory system
Abnormal Eye Lid Positions Ptosis
For more information, please visit our website: https://www.drrajatgupta.com
When you look at yourself in the mirror, there may be several causes for discontent with your body and every single one is valid. That said, many people primarily focus on their faces and the positions of their eyes, nose, etc. searching for a semblance of symmetry.
Facial asymmetry is a significant worry for many people.
They feel unhappy and less attractive with such a lack of symmetry. And, one of the most common causes for this is the recessed chin. A recessed chin occurs when you measure your face in thirds and realise that your thumb is not touching your chin in the last third. This means that your chin has gone in, or you have a recessed chin.
And, if you have this condition, then this video is perfect for you!
Since such a sizeable population remains discontent because of this feature, we asked Dr. Rajat Gupta, our very own board-certified plastic surgeon, to tell us exactly how you fix a recessed chin. How do you bring it out? How do you make a patient’s face proportional again?
Well, as he says, bringing out a recessed chin is through chin enhancement surgery or genioplasty. He performs the procedure in two ways:
1. Fillers
2. Implants
Fillers are made of hyaluronic acid and are injected. Although the procedure is very short, the results also last for an equally quick time. Therefore, if you want a short-term, non-permanent solution, then this is your best bet. However, for permanent results, you need silicone implants.
These silicone implants are customized to precisely fit your jaw and, depending on the implant you choose; you get a broader or narrower jawline. The U-shaped implants give you the former while the conical implants give you the latter. Apart from having these choices about what your result looks like, Dr. Gupta’s technique also leaves your scar-free.
A short and quick procedure; we do it within a day, and you can go home on the same day. While Dr. Gupta elaborates on the timeline in the video, there is nothing to worry about. As long as your surgery is done by a competent board-certified surgeon like Dr. Rajat Gupta, in a well-equipped center like RG Aesthetics, you will be fine.
The procedure is very satisfying, especially since you get everything customized to fit you perfectly. Dr. Gupta adheres to the highest international standards of patient care and that means always placing the patient at the center of the procedure. It is always about what the patient truly wants. And Dr. Gupta always delivers precisely the results you desire, ensuring they are scar-free and look as natural as possible!
Watch the full video for detailed information.
Related Videos:
1. Chin Augmentation Explained: https://youtu.be/V0U7hCv2lZg
For more details, contact us on +91-9251-711-711 or contact@drrajatgupta.com
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About Dr Rajat Gupta and RG Aesthetics
At RG Aesthetics, India’s best plastic surgeon, Dr. Rajat Gupta is at your service! With 10 years of experience, brand-certification, and international recognition, Dr. Gupta solves all your contouring needs.
His expertise in liposuction techniques combined with the state-of-the-art technology available at RG Aesthetics ensures we continue providing the most reliable services with incredible, instantaneous results!
Our equipment allows for every kind of liposuction there is–especially the non-invasive kinds. Dr. Gupta reflects RG Aesthetics’ belief of the patient’s comfort always being paramount. Procedures at RG Aesthetics, under Dr. Rajat Gupta, minimize trauma and speed up recovery time for the best results!
#chinaugmentation #plasticsurgery #drrajatgupta
It’s called gamma knife surgery, but there’s no cutting involved.
It’s been used at Mayo Clinic for 30 years as an alternative to open brain surgery.
The patient’s head is held still during the procedure with a headframe, which also serves as a map for the radiation. Using 3D imaging — typically an MRI — as a guide, the gamma knife is targeted directly at the tumor.
And with no hospital stay and minimal side effects, it’s a procedure that is efficient and can be lifesaving.
More health and medical news on the Mayo Clinic News Network. https://newsnetwork.mayoclinic.org/
Journalists: Clean and nat sound versions of this pkg available for download at https://newsnetwork.mayoclinic.org/
Register (free) at https://newsnetwork.mayoclinic.org/request-account/
Through the hormones it produces, the thyroid gland influences almost all of the metabolic processes in your body. Thyroid disorders can range from a small, harmless goiter (enlarged gland) that needs no treatment to life-threatening cancer. The most common thyroid problems involve abnormal production of thyroid hormones. Too much thyroid hormone results in a condition known as hyperthyroidism. Insufficient hormone production leads to hypothyroidism. Although the effects can be unpleasant or uncomfortable, most thyroid problems can be managed well if properly diagnosed and treated.
Vaginal Yeast Infection
Eye Examination Video
FIRST INJECTION FOR A NURSING STUDENT
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The Role of Insulin in the Human Body
