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what is the large c-shaped mass of white matter ?

Asked By: luobo1689 | Last Updated: 2022-05-05

what is the large c-shaped mass of white matter?

The hemispheres are connected by a large C-shaped fiber bundle, the corpus callosum, which carries information between the two hemispheres.

Correspondingly,What is the largest white matter structure?

The corpus callosumThe corpus callosum is the largest white matter structure in the brain, consisting of 200–250 million contralateral axonal projections and the major commissural pathway connecting the hemispheres of the human brain.

Simply so,What is a large mass of white and gray neural fiber in the upper cranium?

cortexBecause of the area size of the gray matter, fitting it into the skull causes folds. The grooves in these folds are called sulci (singular sulcus), the ridges are called gyri (singular gyrus). The deeper grooves are called fissures. The cortex is a large mass of nerve fibers called white matter.

One may also ask,What is the shape of white matter?

spinal cord myelinated nerve fibres (known as white matter) arranged around the periphery of a symmetrical butterfly-shaped cellular matrix of gray matter.

Considering this,What is cerebral white matter?

White matter is tissue in the brain composed of nerve fibers. The fibers (called axons) connect nerve cells and are covered by myelin (a type of fat). The myelin is what gives white matter its white color. Myelin speeds up the signals between the cells, enabling the brain cells to quickly send and receive messages.

Related Question Answers Found

Which of the following is the prominent C shaped fiber?

The hemispheres are connected by a large C-shaped fiber bundle, the corpus callosum, which carries information between the two hemispheres.

What is the white matter of the spinal cord?

The white matter of your brain and spinal cord is composed of bundles of axons. These axons are coated with myelin, a mixture of proteins and lipids, that helps conduct nerve signals and protect the axons. White matter's job is to conduct, process, and send nerve signals up and down the spinal cord.

What structures consist of white matter?

White matter is composed largely of myelinated axons. White matter is one of the two components of the central nervous system (CNS). It consists mostly of glial cells and myelinated axons and forms the bulk of the deep parts of the cerebrum and the superficial parts of the spinal cord.

What is white matter and grey matter?

The white matter refers to those parts of the brain and spinal cord that are responsible for communication between the various gray matter regions and between the gray matter and the rest of the body. In essence, the gray matter is where the processing is done and the white matter is the channels of communication.

What is white matter and gray matter in the brain?

The tissue called "gray matter" in the brain and spinal cord is also known as substantia grisea, and is made up of cell bodies. "White matter", or substantia alba, is composed of nerve fibers.

What are the three types of white matter tracts?

White matter tracts in the brain, also known as white matter fibers, are classified into three categories:

  • projection fibers.
  • association fibers.
  • commissural fibers.

Is the hippocampus white or gray matter?

The hippocampal body (corpus hippocampi) consists of the gray matter of the cornu ammonis, rolled into the dentate gyrus including the fascia dentata. It includes the histologically defined regions CA1–4.

Is thalamus white matter?

The thalamus is surrounded by two thin layers of white matter. On its superior surface, it is covered by the stratum zonale and on its lateral surface by the external medullary lamina. The grey matter of the thalamus is separated by a Y-shaped layer of white matter called the internal medullary lamina.