Cytoplasm inclusions

Cytoplasmic inclusions are optional components of the cell that appear and disappear depending on the intensity and nature of the metabolism in the cell and on the conditions of the organism. Inclusions have the form of grains, clumps, drops, vacuoles, granules of various sizes and shapes. Their chemical nature is very diverse. Depending on the functional purpose, the inclusions are combined into groups:

• trophic;
• secrets ;
• pigments ;
• excreta , etc.
• special inclusions ( hemoglobin )

Among trophic inclusions (reserve nutrients), fats and carbohydrates play an important role. Proteins as trophic inclusions are used only in rare cases (in the eggs as yolk grains).

Pigmentary inclusions give cells and tissues a certain color.

Secrets accumulate in glandular cells, as they are specific products of their functional activity.

Excreta are the end products of the cell’s vital activity that must be removed from it.