Which cells are the first to phagocytize foreign particles in the tissues such as bacteria in a wound?

fibroblasts

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white blood cells

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macrophages

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mast cells

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Solution

The correct option is C macrophages
Macrophages belong to the system of phagocytic tissue cells called the reticulo-endothelial system; macrophages are usually the first cells to engulf particles such as viruses.

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Fill up the blanks with appropriate cells and secretions of Areolar tissue:

(i)____ are secretory cells that release Heparin.
(ii)_____ is an anticoagulant, histamine a vasodilator that lowers blood pressure and serotonin a vasoconstrictor that increases BP.
(iii)____ are immune cells that are phagocytic that is they digest invading pathogens or general tissue waste.
(iv)____ produce white and yellow fibers which, are present in high quantity in areolar tissue.

Which of the cells are phagocytic as well as scavengers?

Fill up the blanks with appropriate cells and secretions of Areolar tissue :

(i)____ are secretory cells that release (ii)_____an anticoagulant, histamine a vasodilator that lowers BP and serotonin a vasoconstrictor that increases BP.

(iii)____ are immune cells that are phagocytic that is they digest invading pathogens or general tissue waste.(iv)____ produce white and yellow fibers which, are present in high quantity in areolar tissue.

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Which cells are the first to phagocytize foreign particles in the tissues such as bacteria in a wound?

The correct option is C macrophagesMacrophages belong to the system of phagocytic tissue cells called the reticulo-endothelial system; macrophages are usually the first cells to engulf particles such as viruses.

The correct option is C macrophages
Macrophages belong to the system of phagocytic tissue cells called the reticulo-endothelial system; macrophages are usually the first cells to engulf particles such as viruses.