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Granular phagocytes, primarily neutrophils and eosinophils, are characterized by the presence of granules in their cytoplasm, which contain enzymes and antimicrobial substances. Neutrophils are key players in the innate immune response, actively engulfing pathogens and releasing their granules to kill bacteria. Eosinophils are involved in combating parasitic infections and modulating allergic responses. Both types of granular phagocytes are essential for inflammation and the body's defense against infections.

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1mo ago

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Are bacteria viruses fungi and protists the major human phagocytes?

No, these are not phagocytes. Phagocytes are a type of white blood cell in humans, such as neutrophils, macrophages, and dendritic cells, that are responsible for engulfing and destroying pathogens like bacteria, viruses, fungi, and protists. These foreign microorganisms are not phagocytes themselves.


What organelle is known as the granular appearance?

The organelle known for its granular appearance is the ribosome. Ribosomes are composed of ribosomal RNA and proteins, and they play a crucial role in protein synthesis by translating messenger RNA (mRNA) into polypeptide chains. They can be found free-floating in the cytoplasm or attached to the endoplasmic reticulum, forming rough ER, which gives it its characteristic texture.


Are neutrophils phagocytes?

Yes, neutrophils are a type of white blood cell that are phagocytes. Phagocytes are cells that engulf and digest pathogens, debris, or other unwanted materials in the body, helping to fight infection and maintain healthy tissues.


What occurs when the innate immune system is attempting to flush a specific area with phagocytes?

When the innate immune system is attempting to flush a specific area with phagocytes, it initiates an inflammatory response. This response involves the release of chemical signals that attract phagocytes to the site of infection or injury. The phagocytes then engulf and destroy pathogens, helping to eliminate the threat.


What marks foreign invaders and attracts phagocytes?

Foreign invaders are marked by antigens on their surface, which attracts phagocytes like macrophages and neutrophils. These phagocytes recognize the antigens as non-self and engulf the invaders through a process called phagocytosis, helping to remove them from the body.