Anatomy

The central nervous system (CNS) consists of the brain and spinal cord. All of it is protected by a covering of bones:

·         The brain by the skull

·         Spinal cord spine

Between the bone and brain or spinal cord, other protective layers of connective tissue both in the region of the brain and spinal cord are called meninges, which are formed by three types of membranes (dura, are arachnoid and pia mater). These membranes are distinguished in two types:

·         The dura (outer and meninges attached to the bone structure)

·         The leptomeninges, which is inside

The leptomeninges is composed of two membranes, in turn, interconnected:

·         Arachnoid

·         The pia mater directly adhered to the CNS and the circulating blood vessels

Arachnoid tissue has no blood vessels and is above fibers connected with vascularized connective tissue pia mater. Between the arachnoid and pia mater is the subarachnoid space, through which the cerebrospinal fluid (CSF).

MENINGES

CNS (brain and spinal cord) is surrounded by three layers of tissue called meninges. There are three meningeal layers:

1. Dura: the outermost layer and stronger. It consists of tissue

irregular dense connective. It is attached to the bone. Presents projections shaped partitions that separate areas of the brain:

2. Hoz brain: a vertical partition and medium located between the two cerebral hemispheres in the interhemispheric fissure.

3. Tentorio or tentorium: is situated perpendicular to the sickle, separating the brain structures of the posterior fossa (brain stem and cerebellum).

4. arachnoid: below the dura. It consists of tissue avascular connective rich in collagen and elastic fibers that form as a

mesh. Between the meninges and dura mater is the subdural space.

5. Pia mater: a very thin, transparent layer of connective tissue that is intimately attached to the central nervous system which covers. Between arachnoid and pia mater is the subarachnoid space, which contains cerebrospinal fluid.

OPINION

To better compreder a disease , it is important to know the anatomy of the body as it is very important to detect which part of the body is affected and that treatment is going to provide .

The anatomy of the human body is complex , but yet know is very important to understand that part of the body is affected and this will have complications with other devices and sitemas that make up the body .

BIBLIOGRAPHY:

·         http://www.ins.gov.co/lineas-de-accion/Subdireccion-Vigilancia/sivigila/Protocolos%20SIVIGILA/PRO%20Meningitis.pdf

·         http://www.hvn.es/servicios_asistenciales/medicinainterna/ficheros/meningitis20052006.pdf