Cell Definition

Definition Cell-term first used cell by Robert Hooke, about 300 years ago, for small spaces like a box he saw when he watched the cork and other plant material under a microscope. Then, in 1839, introduced the term Expert Physiology Purkinye living protoplasm to the substance of the cell. The term protoplasm member Purkinye not understanding the chemical and physical obvious, but can be used to refer to all substances that are organized in cells. In the same year, 1839, an expert Botany Zoology Matthias Schleiden and Theodor Schwann Experts from Germany, proving that living cells contain cytoplasmic fluid for all basic activities of living things. Proof is developing into cell theory states that all the bodies of animals and plants are composed of cells, which is the basic unit of life.


There are some creatures whose body consists of only one cell. Although only consists of one cell, the living creature can perform all the functions of life. These organisms also have characteristics of living things, such as eating, growing, and response to stimuli. In addition to single cell creatures, there are many other living creatures whose body is made up of many cells. Each cell has the shape and function of different. This indicates that the cell is the basic structural and functional unit of life.
Cell consists of three main parts, namely the plasma membrane or cell membrane, cytoplasm and cell organelles. Inter cell parts are included so that the overall coordination jointly construct a compact system. In the living body composed of many cells, cells that have the same form groups to perform a specific function, called a network. One group of networks can be merged into a single organ. These organs combine to form organ systems, such as the digestive system and the nervous system. Organ systems work together to form the individual. Plant cells and animal cells have similarities and differences in cell structure and function. Equation plant cell and animal cell is the second cell has a cell parts, such as the cell membrane, cytoplasm, nucleus, mitochondria, ribosomes, the endoplasmic reticulum (ER), the Golgi apparatus, lysosomes, and peroxisomes.

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