NEET PG DENTAL EXAM

HISTOLOGY

CONNECTIVE TISSUE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the function of macrophages?
A
Specialized to carry on phagocytosis ; They can move about and clear foreign particles from tissues
B
specialized to form neuron cells
C
specialized to create red blood cells
D
specialized to create large bacteriophages
Explanation: 

Detailed explanation-1: -Macrophages work as innate immune cells through phagocytosis and sterilization of foreign substances such as bacteria, and play a central role in defending the host from infection. However, residual macrophages in intestinal mucosa can potentially reduce inflammation to a greater extent than those in other tissues.

Detailed explanation-2: -Phagocytosis is a cellular process for ingesting and eliminating particles larger than 0.5 m in diameter, including microorganisms, foreign substances, and apoptotic cells. Phagocytosis is found in many types of cells and it is, in consequence an essential process for tissue homeostasis.

Detailed explanation-3: -Macrophages are essential for the maintenance and defence of host tissues, doing so by sensing and engulfing particulate matter and, when necessary, initiating a pro-inflammatory response. They migrate to and circulate within almost every tissue, patrolling for pathogens or eliminating dead cells.

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