The word "spore" is spelled with four letters and pronounced as /spɔr/. The IPA phonetic transcription shows that the first two letters "sp" are pronounced as a voiceless bilabial stop consonant followed by voiceless alveolar fricative. The last two letters "ore" are pronounced with a diphthong consisting of an open-mid back rounded vowel and an r-colored vowel. The word is commonly used in biology to describe a reproductive cell that can grow into a new individual of the same species.
A spore is a small, typically single-celled reproductive structure that is produced by various organisms, including fungi, plants, and some protists. It is capable of giving rise to a new individual or organism through a process called germination. Spores are vital to the survival and propagation of these organisms, as they allow for dispersal and survival in diverse environments.
Typically, a spore is formed as a result of a specialized reproductive process known as sporogenesis. During this process, a parent organism produces spores as a means of reproducing or preserving its genetic material. The spores are usually highly resistant to harsh conditions such as desiccation, extreme temperatures, and chemicals, which enables them to survive and disperse over long distances.
Upon reaching a suitable environment, the spore undergoes germination, wherein it develops into a new individual or organism. Germination begins by the absorption of water, triggering metabolic activities within the spore and leading to cell division and growth. The resulting new organism may be similar or different from the parent, depending on the nature of the spore and the reproductive mechanism of the organism.
Spores play a crucial role in the life cycle of various organisms, allowing them to adapt to changing environments and colonize new areas. In addition, spores have significant implications in fields such as agriculture, medicine, and ecology, where their study helps identify and control pathogenic or beneficial species, as well as understand and conserve biodiversity.
The reproductive cell of a sporozoan or of a cryptogamous plant; a cell of an inferior order to an ovum orseed.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
One of the minute grains in flowerless plants which perform the functions of seeds, as in the ferns and club-mosses.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "spore" is derived from the Ancient Greek word "spora", which refers to a "sowing" or a "seed". The Greek word "spora" is itself derived from the verb "speiro", meaning "to sow" or "to scatter". The term "spore" was first introduced in English in the early 19th century as a scientific term for the reproductive cell of fungi, algae, plants, and some protozoans that is capable of developing into a new individual.