ARBUSCLE Meaning and
Definition
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An arbuscle is a specialized structure that is commonly found in the roots of plants belonging to the order Glomales. It is a key component of a mycorrhizal association, a symbiotic relationship between certain plant species and fungi. Arbuscles are formed when the fungal hyphae, which are thin, thread-like strands of the fungi, penetrate the root cells of the host plant. These hyphae then branch, forming intricate structures known as arbuscles.
Arbuscles play a crucial role in promoting nutrient exchange between the plant and the fungus. They have a high surface-to-volume ratio, which allows for efficient absorption and transfer of nutrients, especially phosphorus and nitrogen, from the fungus to the plant. In turn, the plant supplies the fungus with carbohydrates produced through photosynthesis, thus creating a mutually beneficial relationship.
The presence of arbuscles in the root cells significantly enhances the plant's ability to absorb nutrients from the soil, making it better adapted to nutrient-poor environments. This adaptation is particularly significant for plants that grow in soils with limited phosphorus availability, as the arbuscular mycorrhizal symbiosis improves the plant's phosphorus uptake efficiency.
Overall, arbuscles are critical structures in the establishment and functioning of mycorrhizal associations. Their formation and maintenance enable plants to enhance nutrient uptake, improve resistance to pathogens, and potentially increase overall survival and reproductive success. Through this intricate symbiotic network, arbuscles contribute to the ecological success of various plant species and have a wide-ranging impact on terrestrial ecosystems.
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A dwarf tree; a small shrub with the appearance of a tree, as many heaths.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Common Misspellings for ARBUSCLE
- zrbuscle
- srbuscle
- wrbuscle
- qrbuscle
- aebuscle
- adbuscle
- afbuscle
- atbuscle
- a5buscle
- a4buscle
- arvuscle
- arnuscle
- arhuscle
- arguscle
- arbyscle
- arbhscle
- arbjscle
- arbiscle
- arb8scle
- arbusce
Etymology of ARBUSCLE
The word "arbuscle" is derived from the Latin word "arbuscula", which means "small tree" or "shrub". The Latin word is a diminutive form of "arbor", which means "tree". In botany, "arbuscle" refers to a small branching structure that forms in the roots of some plants during mycorrhizal associations.
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