Economic activity produces consumer goods or provides services. Examples of primary economic activities include these examples: Commercial fishing; Farming - growing crops (arable farming) or animal husbandry (pastoral farming) Quarrying - extracting sand or gravel; Mining of minerals, oil and gas extraction, and production
Meninges. A series of membranous layers of connective tissue that protect the central nervous system (brain and spinal cord). Damage or infection to the meninges, such as in meningitis, can cause serious neurological damage and even death.Mentioned in: Campylobacteriosis, Enterovirus Infections, Shigellosis, West Nile Virus. series of membranous layers of connective tissue that protect the central nervous system (brain and spinal cord). Damage or infection to the meninges, such as in meningitis, can cause serious neurological damage and even death. Mentioned in: Campylobacteriosis, Enterovirus Infections, Shigellosis, West Nile Virus.
Meninges: The three membranes that cover the brain and spinal cord (singular: meninx). The outside meninx is called the dura mater, and is the most resilient of the three.The center layer is the arachnoid membrane and the thin innermost layer is the pia mater. Inflammation of the meninges (meningitis) can occur due to bacterial infection.See also meningitis article.eninges: The three membranes that cover the brain and spinal cord (singular: meninx). The outside meninx is called the dura mater, and is the most resilient of the three.