Top videos

Patellar Tendon Rupture
Patellar Tendon Rupture samer kareem 5,367 Views • 3 years ago

Patellar tendon rupture is a rupture of the tendon that connects the patella to the tibia. The superior portion of the patellar tendon attaches on the posterior portion of the patella, and the posterior portion of the patella tendon attaches to the tibial tubercle on the front of the tibia.

Laser Cystic Acne and Pimples Extraction
Laser Cystic Acne and Pimples Extraction Scott 21,319 Views • 3 years ago

Laser Cystic Acne and Pimples Extraction

Muscle Tissues and Sliding Filament Model
Muscle Tissues and Sliding Filament Model DrPhil 266 Views • 3 years ago

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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Anatomy of uterus and adnexa
Anatomy of uterus and adnexa samer kareem 17,763 Views • 3 years ago

The most common position of the uterus is anteverted (cervix angles forward) and anteflexed (body is flexed forward). The position of the uterus in the adult is liable to considerable variation, depending chiefly on the condition of the bladder and rectum. Adnexa: In gynecology, the appendages of the uterus, namely the ovaries, the Fallopian tubes, and the ligaments that hold the uterus in place.

Arterial Line Insertion
Arterial Line Insertion Surgeon 20,716 Views • 3 years ago

Arterial line insertion usually involves cannulation of the radial artery with a 20 gauge catheter for the purposes of beat-by-beat blood pressure monitoring all along with arterial blood gas monitoring.

Subtotal Thyroidectomy
Subtotal Thyroidectomy Mohamed 16,204 Views • 3 years ago

Subtotal Thyroidectomy

Comprehensive physical examination
Comprehensive physical examination samer kareem 13,676 Views • 3 years ago

Comprehensive physical examination

Liddle's Syndrome
Liddle's Syndrome samer kareem 1,905 Views • 3 years ago

Liddle syndrome is an inherited form of high blood pressure (hypertension). This condition is characterized by severe hypertension that begins unusually early in life, often in childhood, although some affected individuals are not diagnosed until adulthood. Some people with Liddle syndrome have no additional signs or symptoms, especially in childhood. Over time, however, untreated hypertension can lead to heart disease or stroke, which may be fatal.

Swallowing Semen, Is that dangerous?
Swallowing Semen, Is that dangerous? samer kareem 20,321 Views • 3 years ago

Ejaculating into a partner’s mouth is a common practice during oral sex/fellatio. In a safe situation (where there is no danger of catching an STD), the semen-receiving partner may choose to spit the semen out, or to swallow it. Before you engage in fellatio, I’d recommend that you and your partner both get tested for sexually transmitted infections (STIs). If not, please use barriers for oral sex and abstaining from making contact with ejaculate. Semen is mostly water, but also contains amino acids and protein, sugars such as fructose and glucose, minerals such as zinc and calcium, vitamin C, and a few other nutrients. Sperm cells themselves make up less than one percent of semen. Semen is edible, and if swallowed, will travel down the esophagus and into the stomach, where it will be digested in the same way that food is. You can never get pregnant by swallowing semen. Some people accept the taste of semen, but others complain that swallowing semen can give them an upset stomach. In rare cases, you may have an allergy to the proteins found in semen. What does It Taste Like? The taste of semen varies. Bitter, sweet, metallic. So, one may expect to find the taste of semen anywhere from enjoyable to tasteless to disgusting. But there is a way of controlling the taste of semen, which is through diet. Keep track of the diet, and communicate with the partner about when it tastes better or worse.

What causes Osteoporosis?
What causes Osteoporosis? samer kareem 7,068 Views • 3 years ago

Bone is not a static part of the body — it's constantly being resorbed (broken down) and formed throughout your life. Your entire skeleton is replaced about every decade, according to the NIH. During your childhood and teenage years, bone formation occurs more quickly than bone resorption, resulting in growth. You reach your maximum bone density and strength around age 30, after which bone resorption slowly overtakes bone formation. Osteoporosis develops when there's an abnormal imbalance between bone resorption and formation — that is, resorption occurs too quickly, or formation too slowly.

Worms Inside Human Stomach
Worms Inside Human Stomach Scott 25,264 Views • 3 years ago

Worms Inside Human Stomach

Laparotomy Closure Abdomen Animation
Laparotomy Closure Abdomen Animation Anatomist 8,274 Views • 3 years ago

Laparotomy Closure Abdomen Animation

Ingrown Hair Removal: Satisfying
Ingrown Hair Removal: Satisfying Scott 13,559 Views • 3 years ago

What is an ingrown hair cyst? An ingrown hair cyst refers to an ingrown hair that turns into a cyst — a large bump that extends between the skin’s surface and deep underneath it. The appearance is a cross between a regular ingrown hair and an acne cyst, though this is a different condition. These types of cysts are common among people who shave, wax, or use other methods to remove their hair. Although you may be eager to get rid of these cysts simply because of their appearance, it’s also important to watch for signs of an infection. Keep reading to learn what causes these cysts to form, plus how to treat them and prevent them from returning.

Time Management and Work Organization
Time Management and Work Organization Scott 6,620 Views • 3 years ago

Time Management and Work Organization

URBN Dental  How do you clean your tongue
URBN Dental How do you clean your tongue Daniel Cook 2,017 Views • 3 years ago

At URBN Dental, we provide you with top oral hygiene tips to help keep your mouth clean, healthy, and happy. Your manual toothbrush usually comes equipped with a tongue cleaner on the back of its head. That can be helpful in scrubbing your tongue, or you can also use a tongue cleaner. By using simple forward motions on the tongue, you can rid the area of plaque and bacteria which often cause bad breath, gingivitis, and harmful mouth ulcers.

New Hemorrhoids Treatment Method
New Hemorrhoids Treatment Method Scott 19,772 Views • 3 years ago

New Hemorrhoids Treatment Method

A Cryptic Pregnancy
A Cryptic Pregnancy samer kareem 6,250 Views • 3 years ago

A Cryptic Pregnancy is a pregnancy, where the feotus is hidden or camouflaged in its natural environment; due to no HcG hormone being produced by the placenta and/or by difficulty in finding with ultrasound devices.

The Musculo Skeletal Exam
The Musculo Skeletal Exam samer kareem 6,440 Views • 3 years ago

Detailed examination of the joints is usually not included in the routine medical examination. However, joint related complaints are rather common, and understanding anatomy and physiology of both normal function and pathologic conditions is critically important when evaluating the symptomatic patient. By gaining an appreciation for the basic structures and functioning of the joint, you'll be able to "logic" your way thru the exam, even if you can't remember the eponym attached to each specific test!

Scrubbing of Surgical Hands
Scrubbing of Surgical Hands Surgeon 18,899 Views • 3 years ago

Scrubbing of Surgical Hands

infected sebaceous cyst
infected sebaceous cyst samer kareem 15,121 Views • 3 years ago

Usually a sebaceous cyst grows very slowly and doesn't cause pain. However, they can become inflamed or infected, with the overlying skin becoming red, tender, and sore. Sometimes, they occur on a site that is constantly irritated, such as a cyst on your neck that rubs against your collar.

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