تصاویر پزشکی (مغز )

[Doctor_Shovan مهمان]

Brain and Cervical Spinal Cord

 

 

A rear view of the skull reveals the brain and the cervical spinal cord, which function together as the central nervous system. The remarkable apparatus uses motor neurons to control the body's many muscles and enables humans to perform myriad physical activities

 

 

 

[Doctor_Shovan مهمان]

Human Brain

 

 

 

The human brain is a 3-pound (1.4-kilogram) mass of jelly-like fats and tissues—yet it's the most complex of all known living structures. Up to one trillion nerve cells work together and coordinate the physical actions and mental processes that set humans apart from other species

 

 

[Doctor_Shovan مهمان]

Brain's Neural Pathways

 

 

The human brain may contain up to one trillion neurons. These nerve cells are interconnected, as shown in this microscopic image, so that they can transmit electrical impulses—and information—to other cells

 

 

[Doctor_Shovan مهمان]

Slice of Human Brain

 

 

Thanks to precision cutting techniques, researchers are able to examine a paper-thin slice of human brain. Surgeons can also cut living brains without fear of hurting their patients—the organ is incapable of feeling pain

 

 

[Doctor_Shovan مهمان]

Brain Tumor Removal

 

 

Skillful surgeons at UCLA Medical Center in Los Angeles, California, remove a tumor from a woman's brain. Malignant tumors indicate often lethal brain conditions, but even nonmalignant growths can preempt normal brain activity. Any tumor may compress regions of the brain and increase internal pressure, upsetting the organ's delicate functional balance