Nervous tissue, Biology

Assignment Help:

This constitutes about 2.4% of the body weight of man viz.
Brain-1400 gram
Spinal nerve-150 gram
Spinal cord-30 gram
Cranial nerve-10 gram
C.S.F. is altogether not present in nervous tissue. About half of the solid nervous tissue is lipid and 40% is constituted by proteins.
Nervous tissue is composed of two dissimilar types of cells-
(1)    The excitable cells are nerve cells /neuron.
(2)    The non-excitable cells are neuroglial cells.


Related Discussions:- Nervous tissue

Basic morphological features of echinoderms, Q. What are the basic morpholo...

Q. What are the basic morphological features of echinoderms? Echinoderms, as the name indicates (derma = skin, echino = spiny), are creatures with spines originated from an end

What are the major morphological features of birds, Q What are the major mo...

Q What are the major morphological features of birds? Birds are animals that present aerodynamic bodies covered with feathers, pneumatic bones, anterior limbs transformed into

J-shaped growth curve, J-shape d - It shows 2 phases - (i) Lay ph...

J-shape d - It shows 2 phases - (i) Lay phase (ii) Exponential phase

In hormonal terms why does menses occur, Q. In hormonal terms why does mens...

Q. In hormonal terms why does menses occur? Menses is the endometrial monthly desquamation that occurs as the progesterone and estrogen levels fall after the regression of the

Nervous system - meninges, Meninges (Singular-Meninx) - Ceverings of...

Meninges (Singular-Meninx) - Ceverings of brain. By infection in meninges meningitis or brain fever is caused. These menings are internally lined by squamous epitheliu

Explain adaptive radiation and convergence, Adaptive radiation OR convergen...

Adaptive radiation OR convergence Adaptive radiation Explanation of the adaptive radiation process linked to the introduction of a single species and the wide range

State the phases of soil genesis, State the phases of soil genesis Soil...

State the phases of soil genesis Soil genesis embodies two distinct phases. One is weathering that involves disintegration and decomposition of rocks and minerals, the other is

What phrase best describes oxidation- reduction reaction, What phrase best ...

What phrase best describes oxidation- reduction reaction? A. phosphoryrylation energezing endergounic reactions b. transferring of electrons from one molecule to another c. shar

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