Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; plgContentJComments has a deprecated constructor in /var/www/astarmathsandphysics/plugins/content/jcomments/jcomments.php on line 25 Call Stack: 0.0001 362360 1. {main}() /var/www/astarmathsandphysics/index.php:0 0.0452 1211640 2. Joomla\CMS\Application\SiteApplication->execute() /var/www/astarmathsandphysics/index.php:49 0.0453 1211640 3. Joomla\CMS\Application\SiteApplication->doExecute() /var/www/astarmathsandphysics/libraries/src/Application/CMSApplication.php:267 0.1139 4039712 4. Joomla\CMS\Application\SiteApplication->dispatch() /var/www/astarmathsandphysics/libraries/src/Application/SiteApplication.php:233 0.1153 4067128 5. Joomla\CMS\Component\ComponentHelper::renderComponent() /var/www/astarmathsandphysics/libraries/src/Application/SiteApplication.php:194 0.1160 4084840 6. Joomla\CMS\Component\ComponentHelper::executeComponent() /var/www/astarmathsandphysics/libraries/src/Component/ComponentHelper.php:356 0.1160 4101848 7. require_once('/var/www/astarmathsandphysics/components/com_content/content.php') /var/www/astarmathsandphysics/libraries/src/Component/ComponentHelper.php:381 0.1167 4109584 8. ContentController->execute() /var/www/astarmathsandphysics/components/com_content/content.php:42 0.1168 4109584 9. ContentController->display() /var/www/astarmathsandphysics/libraries/src/MVC/Controller/BaseController.php:710 0.1619 4336320 10. ContentController->display() /var/www/astarmathsandphysics/components/com_content/controller.php:113 0.1635 4353720 11. Joomla\CMS\Cache\Controller\ViewController->get() /var/www/astarmathsandphysics/libraries/src/MVC/Controller/BaseController.php:663 0.1640 4374648 12. ContentViewArticle->display() /var/www/astarmathsandphysics/libraries/src/Cache/Controller/ViewController.php:102 0.1722 4433816 13. Joomla\CMS\Plugin\PluginHelper::importPlugin() /var/www/astarmathsandphysics/components/com_content/views/article/view.html.php:189 0.1722 4434072 14. Joomla\CMS\Plugin\PluginHelper::import() /var/www/astarmathsandphysics/libraries/src/Plugin/PluginHelper.php:182

The Endoscope

Optical fibres enable doctors to look at the internal spaces, primarily the lungs and stomach, without surgery. The device used to do this is called an endoscope, and consists of a bundle of fibres inserted into a persons mouth, down their throat and into their lungs or stomach. Light is sent down the fibre bundle to provide illumination. Light is reflected from the surface of the stomach or lung and an image can be made.

If an ulcer is found in the stomach, a laser beam can be sent down the fibres to seal the ulcer. If cancer is suspected in the lungs, further investigations can be made. A sample can be taken and sent for analysis.