HISTOLOGY SLIDES - 3

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Neurosurgery - Telovelar approach

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 Telovelar approach is carried out for the removal of any pathology that is present inside the 4th ventricle or the rhomboid fossa of the brain. The Space seen here behind the cerebellum is the rhomboid fossa (Fossa is just a trench or a channel). This rhomboid fossa forms a part of the 4th ventricle, which is connected to the third ventricle above by cerebral aqueduct and then runs downwards into the spinal cord as the central canal of the spinal cord, carrying the CSF (CerebroSpinal Fluid). The part behind the PONS and between the white core of cerebellum is called as the 4th ventricle. {For more information on anatomy of brain, please refer to our another blog on BRAIN}
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THE BRAIN

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T he Human brain is by far the most complex structure to be ever build. Its complexity has dazzled majority of the people since last century and is still the topic of research. The adult brain weighs about 1.3 – 1.5 kg and is approximately 2% of or total body weight, with Surface area of approximately 1120 cc in males and 1130 cc in females. In spite of its small size it contains millions and billions of neurons that carry out daily functions of the body and may be create someone like Einstein whose brain is still preserved for research purposes. The basic functional unit of brain is called as a neuron. It is a specialised type of cell that has the capacity to conduct and transfer electrical impulses, but once damaged can take years to regenerate. There are various types of neurons and are classified according to – A)   The number of dendrites/processes B)    The length of axons According to number of processes they are 1.  ...
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TUBARIAL SALIVARY GLANDS - NEW ORGAN IN THE BODY

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 The Human Body has 3 pairs of salivary glands located in the body. These are Parotid, Submaxillary and Sublingual. Parotid salivary gland is present on the masseter muscle and can be felt on the surface of the skin of the jaw. Rest of the glands are located a bit deep, but can be palpated. Our body contains a pair of previously overlooked and clinically relevant nasopharyngeal salivary glands, according to new research led by the Netherlands Cancer Institute and the University of Amsterdam. Sparing these newly-identified glands, named the ‘tubarial glands,’ in patients receiving radiotherapy may provide an opportunity to improve their quality of life. There are 2 types of glands in the body, Major and minor. Parotid, submandibular and submaxillary are considered as MAJOR Salivary glands, where as thousands of minor salivary glands are distributed along the nasopharynx and oral mucosa.  These glands produce the saliva required for mastication, swallowing, digestion, tasting an...
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