Differences between medullated and non-medullated nerve fibers
S.N. Medullated (Myelinated) nerve fiber Non-medullated (Non-myelinated) nerve fiber 1. It comprises of neuraxis, which is covered by two sheaths; i) inner thick myelin sheath […]
Month: July 2018
Structure and functions of the human brain
The brain is soft, whitish, somewhat flattened organ situated in the cranial cavity of the skull which protects the brain from mechanical injury. The brain […]
Stoichiometry (Quantitative relationship between reactants and products)
Stoichiometry (Greek; ‘Stoicheion’ meaning ‘element’ and ‘metron’ meaning ‘measurement’) means to measure elements. Thus, stoichiometry is the branch of science (Chemistry) that deals with the […]
Cranial nerves (Types, Origin, Distribution and Function)
The nerves that arise from the brain and supply to the head, neck and face are called cranial nerves. There are 12 pairs of cranial […]
Special modes of nutrition in plants
Plants are autotrophic as they have chlorophyll and can carry out photosynthesis. The most important aspect of photosynthesis is the conversion of light energy into […]
History of the earth and geological time scale
Earth is a member of the solar system and it revolves round the sun. It is very difficult to give the exact date of the […]
A typical flower and its parts
Flowering plants are kept in the group phanerogams. They are also known as spermatophytes as they produce seeds. In higher angiosperms, the flowers are produced […]
Simple permanent tissues and their types in plants
Permanent tissues are made up of mature cells that have undergone growth and differentiation. These tissues originate from meristematic tissues and become permanent at fixed […]
Cardio-vascular diseases (Types, Causes and Prevention)
Many diseases affect the blood vessels and the heart. These include hypertensive heart diseases, coronary heart diseases, rheumatic heart diseases, heart block and stroke. A […]