Nervous system - brain, Biology

BRAIN (ENCEPHELON)

Shape - Oval

Position - Situated in cranial cavity of skull. Medulla oblongeta comes out of foramen magnum in the form of spinal cord.

Colour - Light yellow.

Weight - It forms 98% weight of CNS. 1200-1400 gm. and has 100 billion neurons.

Matter -

Grey matter is outer and white matter is inner in cerebrum, roof of mid brain & cerebellum.

In rest grey matter is inner.

Olfactory lobes are made up of grey matter only.

Posted Date: 10/3/2012 1:16:10 AM | Location : United States







Related Discussions:- Nervous system - brain, Assignment Help, Ask Question on Nervous system - brain, Get Answer, Expert's Help, Nervous system - brain Discussions

Write discussion on Nervous system - brain
Your posts are moderated
Related Questions
carnt understand its principle and mode of working

What is the climax stage of an ecological succession? The climax stage is the stage of the ecological succession in which the community of an ecosystem becomes stable and does

How do the repairing enzymes of the genetic system act? There are enzymes inside the cells that detect errors or alterations in DNA molecules and begin a repair of those errors

Palpation: Use the ball of one hand  and move the hand  from one side of the posterior thorax to other. Note presence of swelling, masses, muscle tone, fremitus and crepitation.

Define Features of male and female ascaris lumbricoides? i)  Ascaris  lumbricoides is  commonly called  round worm. ii)  Body  is elongated, cylindrical,  tapering at  bot

Q. Why some trees lose their green color in the autumn? In autumn nights longer and days become shorter thus there is a reduction of the photosynthesis rate and some plants pre

Psychotropic Drugs - Act on brain and effect its normal functioning slow down and interphere in the functioning of the nervous system. These drugs alter behaviour, consciosn

Q. Can Obesity causes the cardiovascular disease? As you know obesity or excessive weight is the primary cause of cardiovascular disease. It is an independent risk factor for h


Define GHRH Receptors (Growth Hormone Releasing Hormone Receptors)? A. GHRH Receptors are only located in the plasma membranes of cells in the hypothalamus. B. GHRH Receptor