Leptomeninges
Encyclopedia
In medicine
, leptomeninges (literally thin meninges
) is a term used to refer to the pia mater
and arachnoid mater
, two of the membranes that surround the brain and the spinal cord.
The morphology of the brain in meningococcal meningitis is said to be covered by exudate of the surface of, and within the leptomeninges.
Because the arachnoid is connected to the pia by cob-web like strands, it is structurally continuous with the pia, hence the name pia-arachnoid or leptomeninges.
Medicine
Medicine is the science and art of healing. It encompasses a variety of health care practices evolved to maintain and restore health by the prevention and treatment of illness....
, leptomeninges (literally thin meninges
Meninges
The meninges is the system of membranes which envelopes the central nervous system. The meninges consist of three layers: the dura mater, the arachnoid mater, and the pia mater. The primary function of the meninges and of the cerebrospinal fluid is to protect the central nervous system.-Dura...
) is a term used to refer to the pia mater
Pia mater
Pia mater often referred to as simply the pia, is the delicate innermost layer of the meninges, the membranes surrounding the brain and spinal cord. The word finds its roots in Latin, meaning literally "tender mother." The other two meningeal membranes are the dura mater and the arachnoid mater....
and arachnoid mater
Arachnoid mater
The arachnoid mater, literally from Latin "spider -like mother", is one of the three meninges, the membranes that cover the brain and spinal cord...
, two of the membranes that surround the brain and the spinal cord.
The morphology of the brain in meningococcal meningitis is said to be covered by exudate of the surface of, and within the leptomeninges.
Because the arachnoid is connected to the pia by cob-web like strands, it is structurally continuous with the pia, hence the name pia-arachnoid or leptomeninges.