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samer kareem
6,808 Views ยท 2 years ago

In a normal person, when a muscle tendon is tapped briskly, the muscle immediately contracts due to a two-neuron reflex arc involving the spinal or brainstem segment that innervates the muscle. The afferent neuron whose cell body lies in a dorsal root ganglion innervates the muscle or Golgi tendon organ associated with the muscles; the efferent neuron is an alpha motoneuron in the anterior horn of the cord. The cerebral cortex and a number of brainstem nuclei exert influence over the sensory input of the muscle spindles by means of the gamma motoneurons that are located in the anterior horn; these neurons supply a set of muscle fibers that control the length of the muscle spindle itself.

Mohamed Ibrahim
9,284 Views ยท 2 years ago

A funny animation showing A Stupid Surgeon and MedicalVideos.US

samer kareem
1,546 Views ยท 2 years ago

Baby Mucus Removal - Is This Right Way???

samer kareem
2,393 Views ยท 2 years ago

Registered Nurse Ken describes what a real "sore throat"

Doctor
22,596 Views ยท 2 years ago

Adult CPR Video Demonstration

samer kareem
27,882 Views ยท 2 years ago

Remove a Plantar Wart from a foot Procedure

Mohamed
9,745 Views ยท 2 years ago

Mesenteric artery illuminated with luciferase

Medical_Videos
8,111 Views ยท 2 years ago

Mechanism of action of a novel HIV drug called Tipranavir

samer kareem
5,064 Views ยท 2 years ago

Its time to enjoy

Medical_Videos
7,425 Views ยท 2 years ago

Sucking Reflex

Medical_Videos
26,939 Views ยท 2 years ago

Intra-Uterine Device IUD Insertion Demonstration

samer kareem
3,903 Views ยท 2 years ago

Huge Pimple Draining

samer kareem
1,174 Views ยท 2 years ago

New method can eliminate lower back pain. watch to learn how.

samer kareem
25,890 Views ยท 2 years ago

Gunshot wounds have become increasing common in urban cities and many such cases can lead to undesirable outcomes. While gunshot wounds to the head are considered most lethal, gunshot wounds to the chest too may be dangerous. Gunshot wound to the chest is challenging owing to the presence of vital organs like lungs, heart and their surrounding structures including major blood vessels. Gunshot wound is caused by penetration of the bullet, which travels through a projectile path after being shot from a firearm. The bullet, on hitting the chest, punctures the tissue it first encounters with, the bones or the muscular chest wall. The extent and severity of the injury depends on the characteristics of the bullet and the firearm, the position and the distance of the victim, the projectile path and the nature of the tissue penetrated.

Medical_Videos
7,157 Views ยท 2 years ago

Pulmonary Physical Examination Lecture

samer kareem
1,323 Views ยท 2 years ago

Pectus excavatum repair is surgery to correct pectus excavatum. This is a congenital (present at birth) deformity of the front of the chest wall that causes a sunken breastbone (sternum) and ribs. Pectus excavatum is also called funnel or sunken chest. It may worsen during the teen years.

Scott
1,214 Views ยท 2 years ago

Amazing Tattoos That Turn Scars Into Works Of Art

samer kareem
6,073 Views ยท 2 years ago

Understanding the process of getting braces

samer kareem
6,145 Views ยท 2 years ago

Smoking causes: Chronic obstructive pulmonary disease (COPD), a disease that gets worse over time and causes wheezing, shortness of breath, chest tightness, and other symptoms. Emphysema, a condition in which the walls between the air sacs in your lungs lose their ability to stretch and shrink back.

samer kareem
4,470 Views ยท 2 years ago

Back and Spinal cord Anatomy




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