Nervous system - brain, Biology

Assignment Help:

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.


Related Discussions:- Nervous system - brain

Safety measures in drug administration, introduction of safety measures of ...

introduction of safety measures of drug administration

Integumentary system - hair, HAIR Presence of hair is main feature ...

HAIR Presence of hair is main feature of mammals, absent in whale fish. Soft hair in embryo of animals are lanugo. Study of hair is tricology . Part of hair which

Post removal technique -roto-pro bur, Post removal Technique -Roto-pro bur ...

Post removal Technique -Roto-pro bur - Roto-pro bur is a taper bur having are six-sided, non-cutting flutes used a high-speed hand-piece around the circumference of the post t

What are the possible effects on the fetus, What are the possible effects o...

What are the possible effects on the fetus if, during pregnancy, the mother (a) smokes, (b) catches rubella?   a) Smoking during pregnancy can lead to an underwe

Netlike membranous complex of superposed flat saccules, Q. A netlike membra...

Q. A netlike membranous complex of superposed flat saccules with vesicles detaching from the extremities seen in electronic microscopy. What is the observed structure? What is its

Zygotic or suspensor polyembryony, Zygotic or Suspensor Polyembryony ...

Zygotic or Suspensor Polyembryony Cleavage of the apical cells of the globular or filamentous proembryo produced by the zygote may result in two or more embryos in a seed. Th

What are anteromedial aspects of temporal lobes, Q. What are anteromedial a...

Q. What are anteromedial aspects of temporal lobes? Olfactory Cortex - found in anteromedial aspects of temporal lobes receive sensory information directly from the olfactory n

Practical preparation - qualitative test for monosaccharides, Define Practi...

Define Practical Preparation - Qualitative Test for Monosaccharides? 1. Wear your labcoat. Make sure your hair is tied and you have no loose clothing. These can be dangerous in

Succession - community change, Succession - Community Change The facto...

Succession - Community Change The factors like fire, floods and human interventions affect an ecosystem considerably. They often lead to the depletion or stripping off of orig

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd