Examlex
It's now known that environmental factors influence which of the many genes we inherit are "expressed," meaning actually switched on, or activated.
Lumbar Puncture
A medical procedure where a needle is inserted into the lower part of the spinal column to collect cerebrospinal fluid, used for diagnostic purposes.
Computerized Tomography
An imaging technique that uses computers to create cross-sectional images of the body from X-rays taken from different angles.
PET Scan
A PET scan, or positron emission tomography scan, is an imaging test that helps reveal how tissues and organs are functioning, using a radioactive drug (tracer).
Sensory Nerves
Nerves that transmit sensory information from the body to the central nervous system.
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