Online Biology Notes for students
Introduction The central nervous system (CNS) has a microglial cell as a primary defense mechanism. Microglia originate from primitive macrophages of the yolk sac. In CNS parenchyma microglia contribute 10% of total glial cells population. They are natives of CNS and equally disseminated within the brain and spinal cord. They are prime …
What is Inflammation? Inflammation is a well-managed constantly changing reaction comprehend by cellular and vascular activities. It comprises of movement of leukocytes (neutrophils, monocytes, basophils, etc.) to the injured site and discharge of stimulators and signaling molecules (histamine, serotonin, oxygen radicals, etc.) Each type of inflammation generated by different mechanisms. Vascular events …
Inflammation definition Inflammation is a supportive mechanism against tissue damage or infections. It stimulates the immune system to repair injured tissues and defense against diseases from foreign organisms. Sometimes inflammatory reactions lead to self-injury by provoking defensive action against the body’s cells or it may an exaggerated reaction to the less harmful …
Read moreInflammation – definition, types, causes and treatment