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mycorrhiza Definition

my·cor·rhiza (mī′kō rī)

noun pl. -·zae′-zē′ or -·zas

an intimate symbiotic association of the mycelium of certain fungi with the root cells of some vascular plants, as certain orchids

Etymology: < myco- + Gr rhiza, root

mycorrhiza Related Forms
my′·cor·rhi·zal adjective
mycorrhiza Usage Examples

Converse of object

  • have: Fig 2. Mycorrhizas of the Fly Agaric toadstool ( Amanita muscaria ) [ © Jim Deacon ] Why do plants have mycorrhizas?
  • form: Almost all of these fungi grow in symbiotic association with trees, forming mycorrhizas that aid the uptake of mineral nutrients from soil.
  • associate: This was the case with the oak tree, where a small area of roost system was exposed with it's associated mycorrhiza.
  • call: Trees grow in associations with fungi, called mycorrhizas.
  • term: A third group is associated with the roots of plants in what are termed mycorrhizae.

Adjective modifier

  • arbuscular: By selectively amplifying fungal DNA it had been shown that, in bluebells, 2 or 3 genera of arbuscular mycorrhiza are present.

Modifies a noun

  • fungus: Mycorrhiza fungi form highly branched, interconnected networks that invade the roots of plants in order to obtain a supply of carbohydrate.

Browse dictionary entries near mycorrhiza

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  3. mycobacterium
  4. myco-
  5. -mycin
  6. mycetozoan
  7. mycetoma
  8. myceto-
  9. -mycetes
  10. -mycete
  1. mycosis
  2. mycotoxin
  3. Mydoom and Doomjuice Worms
  4. mydriasis
  5. mydriatic
  6. myel-
  7. myelencephalon
  8. myelin
  9. myelination
  10. myelitis