rhizoidal

rhizoid

[rahy-zoid]
adjective
noun
2.
(in mosses, ferns, etc.) one of the rootlike filaments by which the plant is attached to the substratum.

Origin:
1855–60; rhiz- + -oid

rhizoidal, adjective
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World English Dictionary
rhizoid (ˈraɪzɔɪd)
 
n
any of various slender hairlike structures that function as roots in the gametophyte generation of mosses, ferns, and related plants
 
rhi'zoidal
 
adj

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American Heritage
Medical Dictionary

rhizoid rhi·zoid (rī'zoid')
adj.

  1. Rootlike.

  2. Having rrregular branching. Used of a form of bacterial growth.

n.
  1. A slender rootlike filament by which mosses, liverworts, and fern gametophytes attach to the substratum and absorb nourishment.

  2. A rootlike extension of the thallus of a fungus.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
rhizoid   (rī'zoid')  Pronunciation Key 
  1. A slender, rootlike filament by which mosses, liverworts, and the gametophytes of ferns attach themselves to the material in which they grow.

  2. A branching, rootlike extension by which algae and fungi absorb water and nutrients.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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