Root hairs or absorbent hairs, are outgrowths of epidermal cells, specialized cells at the tip of a plant root. They are lateral extensions of a single...
10 KB (1,207 words) - 18:06, 13 October 2024
"hair" usually refers to two distinct structures: the part beneath the skin, called the hair follicle, or, when pulled from the skin, the bulb or root...
74 KB (8,458 words) - 08:05, 2 November 2024
application to parts of the root hair. The root hairs curled in the direction of the application, demonstrating the action of a root hair attempting to curl around...
25 KB (2,627 words) - 03:23, 30 September 2024
coat of the hair follicle is closely adherent to the root of the hair, and consists of two strata named respectively the outer and inner root sheaths. The...
3 KB (238 words) - 23:06, 2 December 2023
the root cap produces new root cells that elongate. Then, root hairs form that absorb water and mineral nutrients from the soil. The first root in seed...
51 KB (5,898 words) - 10:54, 5 November 2024
A hair plexus or root hair plexus is a special group of nerve fiber endings and serves as a very sensitive mechanoreceptor for touch sensation. Hair contains...
3 KB (290 words) - 19:04, 17 October 2024
[contradictory] Around the papilla is the hair matrix. A root sheath composed of an external and internal root sheath. The external root sheath appears empty with cuboid...
22 KB (2,617 words) - 14:24, 19 October 2024
of root hairs. Root hair is the outgrowth of a single rhizodermal cell. They occur in high frequency in the adsorptive zone of the root. Root hair derives...
3 KB (379 words) - 21:40, 19 June 2024
smaller in diameter than the smallest root or root hair, and thus can explore soil material that roots and root hairs cannot reach, and provide a larger...
66 KB (7,149 words) - 23:33, 28 October 2024