What's the difference between blackhead and pimple?

Blackhead


Definition:

  • (n.) The scaup duck.

Example Sentences:

  • (1) Sebum excretion rate measurements overlying an open comedone (blackhead) were significantly lower than those obtained from normal skin.
  • (2) The breeds studied in order of increasing susceptibility were Red Masai, Blackhead Persian, Merino, Dorper, Corriedale and Hampshire.
  • (3) There's no mention of belly button fluff either - but blackheads, snot, puke, pus, scabs, tears, smegma, eyelid crumbs, vaginal discharges, menstrual blood and other gunk are all acceptable fodder, especially when dried to a crust under the fingernails.
  • (4) Species examined were the budgerigar, yellow-headed Amazon parrot, canary, halfmoon conure, lesser hill mynah, and blackheaded nun.
  • (5) The proportion of Blackhead Persian genes in South African Karakuls is estimated to be 0.2745, to which a certain degree of gene flow from other fat-tailed sheep has possibly to be added.
  • (6) Puberty and early sexual development were studied in 143 Libyan fat-tailed ram lambs, equally representing Brownhead and Blackhead strains of this breed.
  • (7) Certain other enigmas are mentioned including why some patients have much oil and little acne, and some vice versa; why some blackheads and whiteheads initiate inflammation and suppuration and others not; why cysts and why scars form in some patients and not in others.
  • (8) 25 and 17 Salmonella strains could be isolated from 429 and 423 blackheaded gulls (Larus ridibundus), respectively, during two years of examination.
  • (9) A study was made of the carry-over effect of long photoperiods followed by short photoperiods ou the fattening and gonadal response in a photoperiodic migratory species, the Blackheaded Bunting (Emberiza melanocephala).
  • (10) Gene frequencies at 10 blood polymorphic loci have been used to compare Karakuls from Uzbekistan, Union of Soviet Socialist Republics with South African Karakuls and to evaluate the influence of local Blackhead Persian sheep on the genetic composition of South African Karakuls.
  • (11) Characteristic early lesions in acne vulgaris are the open and closed comedones (blackheads and whiteheads) which are well known to contain a "plug" of cornified material.
  • (12) Albino rats were used to study some remote side effects (total reproduction, embryotoxicity, and teratogenic action) of the Bulgaria Ronidazol-Pharmachim preparation, analogous to the one produced by the firm MS & D--USA (Ridzol 10 per cent water-soluble powder) used in veterinary practice as a prophylactic and therapeutic agent in the case of swine dysentery and turkey blackhead.
  • (13) The existence of various foci of epithelial perforation, manifested clinically by a point hyperkeratosis similar in appearance to blackheads, suggests transfollicular elimination.
  • (14) The two strains did not differ in any of the measured parameters in a consistent way, yet the Brownhead lambs tended to be slightly heavier and to have a slightly larger testis diameter than Blackheads.
  • (15) Comedones (blackheads) were found in apocrine sites in 37, but also in retroauricular sites in 18 and were considered to be an important physical sign for early diagnosis.
  • (16) The results showed high numbers of both groups of bacteria in skin bearing blackheads, papules or pustules and in non-acne adolescent skin.
  • (17) Groups of photosensitive, unstimulated or stimulated, male blackheaded buntings were subjected to photoregimes of 15 hr of green light of three intensities and 9 hr of dark per day.

Pimple


Definition:

  • (n.) Any small acuminated elevation of the cuticle, whether going on to suppuration or not.
  • (n.) Fig.: A swelling or protuberance like a pimple.

Example Sentences:

  • (1) "All the big German newspapers and news magazines are now increasingly trying to have one editorial team overlook all of its channels of output – it's better for the overall brand," said Roland Pimpl, a correspondent for the trade magazine Horizont.
  • (2) These pimples exhibit a unique and complex morphology.
  • (3) In the white form, budding cells appear similar to those of most other strains of C. albicans, but in the opaque form, budding cells are larger, are bean shaped, and possess pimples on the wall.
  • (4) Results showed that a significant (P less than .05) linear increase in pimple score, uterine ash, and serum calcium occurred as dietary levels of D3 increased.
  • (5) The possibility is suggested that the vacuole of opaque cells is the origin of membrane-bound vesicles which traverse the wall through specialized pimple structures and emerge from the pimple with an intact outer double membrane, a unique phenomenon in yeast cells.
  • (6) John Lopez, Vanity Fair Whether or not Sorkin "sexed" The Social Network up hardly even matters: in sexing it up, he merely cast an unpleasant spotlight on that nasty pimple resting on the tip of our nose, whose presence we try so hard to hide with makeup so that we can go out and face the working world with dignity.
  • (7) The opaque-cell-specific 14.5-kDa antigen either is in the pimple channel or is a component of the emerging vesicle.
  • (8) The antics of the past week are pimples pointing to a deeper infection within the Conservative organism – and, for that matter, the body politic.
  • (9) "The pitch was frozen solid but Lincoln had the new Adidas pimpled studs, and ours had long nylon studs," he recalled.
  • (10) The functions of the unique opaque-cell pimple and emerging vesicle are not known.
  • (11) The trouble with the government's proposals so far is that they are mere pimples on the surface."
  • (12) The typical features are, in the beginning, a pruritic insect-bite-like pimple, then a painless ulcer surrounded by serous-hemorrhagic, often rapidly confluent vesicles and non-pitting edema.
  • (13) Feed consumption, egg production, egg weight, egg specific gravity, and pimple score were determined at weekly or biweekly intervals for a 10-week period.
  • (14) Pimpled egg shells are one of the various types of egg shell problems in the industry today.
  • (15) A peculiar anatomoclinic form is described about the Balanoposthite chronique circonscrite bénigne à plasmocytes (Zoon): the pimpled, erosive, nodular and pseudoangiomatous form.
  • (16) It was concluded that egg shell pimpling is directly related to level of cholecalciferol (D3) in the diet.
  • (17) A 17-month-old baby boy was noted to have a pimple-like lesion at the corona of the glans penis.
  • (18) There's even one in which she appears to have a pimple .
  • (19) In the Vivida group, five patients developed transient, mild pimples during the first weeks of treatment, but no other adverse effects occurred.
  • (20) The hyphae formed by opaque cells were morphologically identical to hyphae formed by white cells (i.e., they were devoid of pimples or protrusions and exhibited the same shape and septal locations).

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