Definitions
from The Century Dictionary.
- noun The sheath of the root of a hair or feather, an invert of epidermis lining the follicle in which a hair or feather grows. See second cut under
hair . - noun In botany, a spongy transformation of the many-layered epidermis of the aërial roots of many orchids and various aroids; the velamen radicum.
Etymologies
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Examples
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In it he demonstrated the existence of a hitherto unrecognised layer in the inner root-sheath of hairs, a layer that has been known since as Huxley's layer.
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In it he demonstrated the existence of a hitherto unrecognised layer in the inner root-sheath of hairs, a layer that has been known since as Huxley's layer.
Thomas Henry Huxley A Sketch Of His Life And Work Mitchell, P Chalmers 1900
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Epithelium fragments, probably portions of the internal root-sheath, sometimes adhere to the shaft of the hair as it grows up, and look like concretions.
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Epithelium fragments, probably portions of the internal root-sheath, sometimes adhere to the shaft of the hair as it grows up, and look like concretions.
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_E_, external layer of the hair-follicle; _F_, middle layer of the hair-follicle; _G_, internal layer of the hair-follicle; _H_, papilla of the hair; _I_, external root-sheath; _J_, outer layer of the internal root-sheath; _K_, internal layer of the internal root-sheath.
Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine Henry Weightman Stelwagon 1886
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_) Short, stout hair of beard, with the root-sheath attached, showing free spores and chains of spores.] #To what is ringworm due?
Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine Henry Weightman Stelwagon 1886
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