sheath : Idioms & Phrases


Knitting sheath

  • a sheath to receive the end of a needle in knitting.
Webster 1913

Medullary sheath

  • noun a layer of myelin encasing (and insulating) the axons of medullated nerve fibers
    medullary sheath.
WordNet
  • (Anat.), the layer of white semifluid substance (myelin), between the primitive sheath and axis cylinder of a medullated nerve fiber.
Webster 1913

myelin sheath

  • noun a layer of myelin encasing (and insulating) the axons of medullated nerve fibers
    medullary sheath.
WordNet

Primitive sheath

  • . (Anat.) See Neurilemma.
Webster 1913

schwan's sheath

Schwan's" sheath`
Etymology
So called from Theodor Schwann, a German anatomist of the 19th century.
Definitions
  1. (Anat.) The neurilemma.
Webster 1913

Sheath knife

  • noun a knife with a fixed blade that is carried in a sheath
    case knife.
WordNet
  • a knife with a fixed blade, carried in a sheath.
Webster 1913

Sheath of Schwann

  • . (Anat.) See Schwann's sheath.
Webster 1913

sheath pile

  • noun a pile in a row of piles driven side by side to retain earth or prevent seepage
    sheet pile; sheet piling.
WordNet

sheath-winged

Sheath"-winged` adjective
Definitions
  1. (Zoöl.) Having elytra, or wing cases, as a beetle.
Webster 1913

Tentacle sheath

  • (Zoöl.), a sheathlike structure around the base of the tentacles of many mollusks.
Webster 1913