According to reports, there were 40,000 tigers in India a century ago. The country is home to 40% of the world's tigers, with 23 tiger reserves in 17 states. The 2006 count found a steep fall in India's tiger population to 1,411 from 3,642 animals in a federal census in 2002. Poaching and urbanisation are blamed for the decline in tiger numbers in the country.
Cerebrospinal fluid (CSF) analysis is a group of laboratory tests that measure chemicals in the fluid that surrounds and protects the brain and spinal cord. The tests may look for proteins, sugar (glucose), and other substances. A sample of CSF is needed. A lumbar puncture, also called a spinal tap, is the most common way to collect this sample. Less common ways to take a fluid sample include: 1  Cisternal puncture.  Removal of CSF from a tube that is already in the CSF, such as a shunt, ventricular drain, or pain pump.
What Is a CSF Analysis? Cerebrospinal fluid (CSF) analysis is a way of looking for conditions that affect your brain and spine. Itâs a series of laboratory tests performed on a sample of CSF. CSF is the clear fluid that cushions and delivers nutrients to your central nervous system (CNS). The CNS consists of the brain and spinal cord. CSF is produced by the choroid plexus in the brain and then reabsorbed into your bloodstream.