Each lung is covered by a double-layer serous membrane with a potential space between the two layers. The outer or parietal layer covers the inside of chest wall and superior surface on diaphragm and is sensitive to pain; the inner or visceral wall covers the lungs and its fissures but insensitive to pain. The parietal layer is supplied by blood [...]
In this article we will discuss about the diseases caused by mosquitoes. The diseases are: 1. Yellow Fever 2. Dengue Fever 3. Chikungunya. Disease # 1. Yellow Fever: It is transmitted by Aedes and other mosquitoes and is an acute specific viral fever of short duration, varying in severity. The severe cases are characterised by toxic jaundice, albuminuria and haemorrhages [...]
Immune system is a defense system that enables us to resist infections. The immune system is composed of two types of immunity- the innate or non-specific immunity and the adaptive or specific immunity. The innate immunity is the first line of defense against invading organisms while the adaptive immunity acts as a second line of defense and also gives protection [...]