The arachnoid mater is the middle layer of the meninges that forms a loose covering over the brain. It is located between the dura mater (outer layer) and the pia mater (inner layer) of the meninges.
The outermost layer of meninges is called as Dura matter. It has got outer and inner layers in Dura matter. Together they form various venous sinuses in the meninges.
The dura mater which is Latin for "tough mother" and would also make a kickin' name for a sports team.
Yes, exoskeletons are made up of a hard outer layer that provides structural support and protection to the animal's body. This outer layer is composed of chitin, a tough fibrous substance that forms a framework for the exoskeleton.
The sac consists of two layers, the parietal (outer) and visceral (inner) layer
middle layer of meninges is called arachnoid
The outer layer of the bone marrow is called the periosteum, which is a dense fibrous membrane that covers the surface of bones.
renal fascia (outer layer), perirenal fat capsule, fibrous capsule (inner layer)
bran
the dura
The meninges provide an outer covering for the brain. The meninges are considered part of the nervous system.
The outer layer of the meninges is called as Dura matter. It has got the outer or parietal layer. The inner one is called as visceral layer. This layer is very tough in nature. The outer layer is attached to the skull bones. The inner one get along with the folds of the brain tissue. It creates many partitions in the brain. The gaps between the two gives you the various venous sinuses in the meninges.