Protoplasm: meaning, definitions and examples
๐ฌ
protoplasm
[หprลtษหplazษm ]
Definition
cell biology
Protoplasm is the living substance of a cell, consisting of the cytoplasm, nucleoplasm, and other organelles. It is responsible for carrying out the essential functions of life. All cellular activities, such as metabolism, growth, and reproduction, occur within the protoplasm. The protoplasm is often seen as the physical foundation of cell life, containing a complex mix of molecules like proteins, lipids, carbohydrates, and nucleic acids.
Synonyms
cell matter, cytoplasm, substance.
Examples of usage
- The protoplasm of the cell is where metabolic processes take place.
- Under a microscope, the protoplasm can appear as a jelly-like substance.
- Cell damage often affects the integrity of the protoplasm.
Interesting Facts
Etymology
- The word comes from the Greek 'protos', meaning 'first', and 'plasma', meaning 'something formed' or 'molded'.
- The term was first used in the 19th century to describe the living content of cells.
- In early biology, it was believed that the essence of life resided solely in protoplasm.
Science
- Protoplasm is composed of two main parts: cytoplasm (everything inside the cell except the nucleus) and the nucleoplasm (the substance within the nucleus).
- Different types of cells can have varying amounts of protoplasm, influencing their shape and function.
- It's critical for cell processes, as it is where cellular reactions occur and where organelles are located.
History of Science
- Early scientists such as Jan Evangelista Purkynฤ and Hugo von Mohl contributed to the understanding of protoplasm during the 1830s.
- The study of protoplasm was central to the development of cell theory in the mid-19th century.
- In 1861, botanist Robert Brown observed and named the nucleus within protoplasm, highlighting its importance in cell biology.
Psychology
- Some psychologists ponder the implications of protoplasm on views of consciousness, discussing if all life forms have some level of awareness.
- The study of cells and protoplasm can lead to insights on biological bases for emotions and behaviors in living organisms.
- The notion of protoplasm has sparked debates in philosophy regarding the nature of life and sentience.
Popular Culture
- Protoplasm appears in science fiction, often depicted as the essence needed to create or sustain life in quirky experiments.
- In cartoons and movies, scientists are often shown working with protoplasm while creating monsters or experimenting on cells.
- The concept has inspired various artistic interpretations in visual art, where protoplasm is represented symbolically as the source of life.
Translations
Translations of the word "protoplasm" in other languages:
๐ต๐น protoplasma
๐ฎ๐ณ เคชเฅเคฐเฅเคเฅเคชเฅเคฒเคพเคเฅเคฎ
๐ฉ๐ช Protoplasma
๐ฎ๐ฉ protoplasma
๐บ๐ฆ ะฟัะพัะพะฟะปะฐะทะผะฐ
๐ต๐ฑ protoplazma
๐ฏ๐ต ๅๅฝข่ณช
๐ซ๐ท protoplasme
๐ช๐ธ protoplasma
๐น๐ท protoplazma
๐ฐ๐ท ์ํ์ง
๐ธ๐ฆ ุจุฑูุชูุจูุงุฒู
๐จ๐ฟ protoplazma
๐ธ๐ฐ protoplazma
๐จ๐ณ ๅ็่ดจ
๐ธ๐ฎ protoplazma
๐ฎ๐ธ prรณtoplasmi
๐ฐ๐ฟ ะฟัะพัะพะฟะปะฐะทะผะฐ
๐ฌ๐ช แแ แแขแแแแแแแ
๐ฆ๐ฟ protoplazma
๐ฒ๐ฝ protoplasma