An animal cell is a form of eukaryotic cell which make up many tissues in animals. The animal cell is distinct from other eukaryotes, most notably plant cells, as they lack cell walls and chloroplasts, and they have smaller vacuoles. Due to the lack of a rigid cell wall, animal cells appear to be circular (though are often deformed by surrounding cells) under microscopes - in three dimensions the cells are normally spherical. Human cells are biologically categorized as animal cells.

Organelles of a generalised animal cell

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The most significant organelles of an animal cell include:

• Cell membrane
• Cytoplasm
• Golgi apparatus
• Mitochondria
• Endoplasmic reticulum (including ribosomes)
• Lysosome
• Peroxisome
• Vacuole
• Microtubule
• Microfilament (nikheel)
• Vesicle

Cell biology

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