root hairs - definition. What is root hairs
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%ما هو (من)٪ 1 - تعريف

PART OF A PLANT. ANY OF THE HOLLOW HAIRLIKE OUTGROWTHS OF THE OUTER CELLS OF A ROOT, JUST BEHIND THE TIP, THAT ABSORB WATER AND SALTS FROM THE SOIL
Root hairs; Root hair cell; Root cell
  • Root tip, showing young root hairs

Root hair         
Root hair, or absorbent hairs, are outgrowths of epidermal cells, specialized cells at the tip of a plant root. They are lateral extensions of a single cell and are only rarely branched.
root note         
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NOTE AFTER WHICH A CHORD IS NAMED
Root (music); Basse fondamentale; Root progression; Root note; Fundamental bass; Chord root; Five-three chord; Root chord; Assumed root; Absent root; Omitted root; Root-position; Basse fondementale; Son fondamentale; Harmonic root; Root of chord
¦ noun see root1 (sense 5).
rooted         
  • Roots forming above ground on a cutting of an ''Odontonema'' ("Firespike")
  • Aerial root
  • Fluorescent imaging of an emerging lateral root.
  • barley]] root
  • Coralloid roots of ''[[Cycas revoluta]]''
  • Cross section of a [[mango]] tree
  • Large, mature tree roots above the soil
  • Aerating roots of a [[mangrove]]
  • Roots on onion bulbs
  • Cross section of an adventitous crown root of pearl millet (''Pennisetum glaucum)''
  • Root system of adult ''[[Araucaria heterophylla]]''
  • Stilt roots of Maize plant
  • Ranunculus Root Cross Section
  • Roots of trees
  • The growing tip of a fine root
  • Roots can also protect the environment by holding the soil to reduce soil erosion
  • The stilt roots of ''[[Socratea exorrhiza]]''
  • Tree roots at [[Cliffs of the Neuse State Park]]
  • alt=
  • [[Ficus]] Tree with [[buttress root]]s
  • Visible roots
ORGAN OF A HIGHER PLANT THAT ANCHORS THE REST OF THE PLANT IN THE GROUND, ABSORBS WATER AND MINERAL SALTS FROM THE SOIL, AND DOES NOT BEAR LEAVES OR BUDS
Rooted; Root (botany); Tree root; Plant roots; Plant root; Shallow-rooted; Shallow rooted; Deep-rooted; Deep rooted; Peg root; Adventitious Root; Root (plant)
adj.
1) deeply rooted
2) rooted in (rooted in poverty)
3) rooted to (rooted to the spot)

ويكيبيديا

Root hair

Root hair, or absorbent hairs, are outgrowths of epidermal cells, specialized cells at the tip of a plant root. They are lateral extensions of a single cell and are only rarely branched. They are found in the region of maturation, of the root. Root hair cells improve plant water absorption by increasing root surface area to volume ratio which allows the root hair cell to take in more water. The large vacuole inside root hair cells makes this intake much more efficient. Root hairs are also important for nutrient uptake as they are main interface between plants and mycorrhizal fungi.