What's the difference between crust and scurf?

Crust


Definition:

  • (n.) The hard external coat or covering of anything; the hard exterior surface or outer shell; an incrustation; as, a crust of snow.
  • (n.) The hard exterior or surface of bread, in distinction from the soft part or crumb; or a piece of bread grown dry or hard.
  • (n.) The cover or case of a pie, in distinction from the soft contents.
  • (n.) The dough, or mass of doughy paste, cooked with a potpie; -- also called dumpling.
  • (n.) The exterior portion of the earth, formerly universally supposed to inclose a molten interior.
  • (n.) The shell of crabs, lobsters, etc.
  • (n.) A hard mass, made up of dried secretions blood, or pus, occurring upon the surface of the body.
  • (n.) An incrustation on the interior of wine bottles, the result of the ripening of the wine; a deposit of tartar, etc. See Beeswing.
  • (n.) To cover with a crust; to cover or line with an incrustation; to incrust.
  • (v. i.) To gather or contract into a hard crust; to become incrusted.

Example Sentences:

  • (1) In certain cases the ulcerous crust is removed with chloramine.
  • (2) A rapid evolution of epithelialization was found in case of treated animals as distinguished from control sample, where the infected crust was far from being healed.
  • (3) Future ice loss and bending of the crust due to rising sea levels have the potential ultimately to raise levels of both earthquake and volcanic activity.
  • (4) A search for an intact blister is always warranted when erosions, oozing, or crusts are noted.
  • (5) In general, healthy panelists evaluated the cakes as sweeter, crust bitterness as greater, and overall eating quality as higher than the panel members with carbohydrate metabolic disorders.
  • (6) The tanks fell from 2,000ft on to the salt crust of the open desert and burst open as they struck the ground.
  • (7) A negative correlation between the number of mites and the presence and extensiveness of crusts was observed.
  • (8) The presence of subcorneal pustules in a solitary, indolent, crusted plaque, or in erythema annulare-like lesions with a trailing scale, is evidence of atypical psoriasis.
  • (9) Requirements for intranasal douching with saline have varied; however, we have had no problems with bothersome crusting following b.i.d.
  • (10) Disadvantages are a longer healing period and temporary crust formation as in conchotomy, the high technical effort and cost of the laser.
  • (11) Crusting was found around the lashes, and the lids developed loss of lashes and hair.
  • (12) Within three weeks after treatment was initiated, all animals were free of crusts.
  • (13) After the crust falls, carrying away some tattoo pigment on its deeper surface, a pale-pink scar forms, then gradually fades in several months.
  • (14) We report a case of nonvesicular hydroa vacciniforme in which only extensive crusting associated with hypertrophic scarring on sun-exposed skin was present.
  • (15) The absorption of mercury was investigated after three phase crusting by Grob on a second-degree scald burn of 10 to 15% of the body surface in rats.
  • (16) For oxalate stones a separation of the outer layer (crust) from the inner layer (core) marked the point of maximum load.
  • (17) The vesicles progress to pustules, then to crusts that eventually are lost.
  • (18) A case of localized CrS appearing as a yellowish and crusted plaque on the second right toe is reported in a woman with AIDS.
  • (19) All the patients were elderly women who developed chronic, extensive, pustular, crusted and occasionally eroded lesions of the scalp which produced scarring alopecia.
  • (20) For all their apparent beauty and fragility, just think of coral reefs as big lumps of rock with a living crust.

Scurf


Definition:

  • (n.) Thin dry scales or scabs upon the body; especially, thin scales exfoliated from the cuticle, particularly of the scalp; dandruff.
  • (n.) Hence, the foul remains of anything adherent.
  • (n.) Anything like flakes or scales adhering to a surface.
  • (n.) Minute membranous scales on the surface of some leaves, as in the goosefoot.

Example Sentences:

  • (1) I had cooked, sometimes, with difficulty, yet woke one day to find I had somehow assembled a bizarre array of crockery on my floor, like a gnomes' tea party but with much scurf; I daily grew too fatigued to lift things and spent increasing hours abed.
  • (2) The relative contribution from loose scurf or from stratum corneum squames was not determined.
  • (3) Because diagnostic scales and scurf, or small scales, are easily lost in the process of collecting and preparing herbarium specimens of the new species, the potential for confusion among related species is increased.
  • (4) On the removal of the scurf covering the supposed entrance of the erysipelas, a larva of Dermatobia hominis, the human bot fly, was extracted from the head skin, and the inflammation completely disappeared within a short period of time.
  • (5) Minor scurfing and hair loss occurred on some calves with all compounds, but hair coats were normal 28 days after treatment.
  • (6) So now, when some drab functionary presents himself as speaking for the party, he is no more than scurf on a sea of money handed out by any opinionated casino magnate.
  • (7) Animal scurf extracts are nearly always contaminated with mites.
  • (8) A survey of vertical distribution showed no mite penetration deeper than inner stratum corneum where 57% of mite sections were seen; 30% were within outer stratum corneum or scurf; 13% were on the outer surface and less than 1% were detached.
  • (9) Within flocks, itchmite infested sheep or sheep with scurf had higher prevalences of fleece derangement than sheep on which no mites or no scurf were found.
  • (10) Among flocks, there were positive relations between the prevalence of fleece derangement and prevalence of itchmite or scurf and between itchmite count and mean scurf score.
  • (11) Horse or dog scurf collected in the summer months will be contaminated by pollens.
  • (12) Itchmite infested sheep had a higher prevalence of scurf than those with no detectable mite infestation.