What's the difference between black and melena?

Black


Definition:

  • (a.) Destitute of light, or incapable of reflecting it; of the color of soot or coal; of the darkest or a very dark color, the opposite of white; characterized by such a color; as, black cloth; black hair or eyes.
  • (a.) In a less literal sense: Enveloped or shrouded in darkness; very dark or gloomy; as, a black night; the heavens black with clouds.
  • (a.) Fig.: Dismal, gloomy, or forbidding, like darkness; destitute of moral light or goodness; atrociously wicked; cruel; mournful; calamitous; horrible.
  • (a.) Expressing menace, or discontent; threatening; sullen; foreboding; as, to regard one with black looks.
  • (adv.) Sullenly; threateningly; maliciously; so as to produce blackness.
  • (n.) That which is destitute of light or whiteness; the darkest color, or rather a destitution of all color; as, a cloth has a good black.
  • (n.) A black pigment or dye.
  • (n.) A negro; a person whose skin is of a black color, or shaded with black; esp. a member or descendant of certain African races.
  • (n.) A black garment or dress; as, she wears black
  • (n.) Mourning garments of a black color; funereal drapery.
  • (n.) The part of a thing which is distinguished from the rest by being black.
  • (n.) A stain; a spot; a smooch.
  • (a.) To make black; to blacken; to soil; to sully.
  • (a.) To make black and shining, as boots or a stove, by applying blacking and then polishing with a brush.

Example Sentences:

  • (1) To quantify the size of the lesion in mice, the area of the infarct on the brain surface was assessed planimetrically 48 h after MCA occlusion by transcardial perfusion of carbon black.
  • (2) For male schizophrenics, all symptom differences disappeared except one; blacks were more frequently asocial.
  • (3) The most successful dyes were phenocyanin TC, gallein, fluorone black, alizarin cyanin BB and alizarin blue S. Celestin blue B with an iron mordant is quite successful if properly handled to prevent gelling of solutions.
  • (4) The correlates of three characteristics of familial networks (i.e., residential proximity, family affection, and family contact) were examined among a national sample of older Black Americans.
  • (5) Positivity was not correlated with current residence census tract socioeconomic indicators in black or white females.
  • (6) The high frequency of increased PCV number in San, S.A. Negroes and American Negroes is in keeping with the view that the Khoisan peoples (here represented by the San), the Southern African Negroes and the African ancestors of American Blacks sprang from a common proto-negriform stock.
  • (7) Fluttering in the background was a black flag adorned with white script, the “black flag of jihad”.
  • (8) It is 30 years since Paul Canoville became the first black footballer to play for Chelsea.
  • (9) If black people could only sort out these self-inflicted problems themselves, everything would be OK. After all, doesn't every business say it welcomes job applicants from all backgrounds?
  • (10) A case-control study of breast cancer among Black American women was conducted in seven hospitals in New York City from 1969 to 1975.
  • (11) Mike Enzi of Wyoming A senior senator from Wyoming, Enzi worked for the Department of Interior and the private Black Hills Corporation before being elected to Congress.
  • (12) The Black pregnant teen is a microcosm of the impact of society on the most vulnerable.
  • (13) The charges against Harrison were filed just after two white men were accused of fatally shooting three black people in Tulsa in what prosecutors said were racially motivated attacks.
  • (14) The relative effect of the intramammary infections and of different factors related to the cow (parity, stage of lactation, milk yield) on the individual cell counts, were studied for 30 months on the 62 black-and-white Holstein cows of an experimental herd.
  • (15) Instead, he handed over the opening to reporter Molly Line, who said, “Racial profiling is in the eye of the beholder,” before citing differing perceptions of the phenomenon between white and black people, which is like reading the headline “Rapist, Victim Differ on Consent”.
  • (16) These findings indicate an association between HLA-B7 and ankylosing spondylitis in American blacks and suggest that these patients who lack B27 but possess B7 represent a subgroup of patients with this disease.
  • (17) This is an edited extract from Across the Seas – Australia’s Response to Refugees: A History by Klaus Neumann, published by Black Inc. Books and on-sale now .
  • (18) Of particular note is the difference between Black American and Nigerian figures.
  • (19) They were like some great show, the gas squeezing up from the depths of the oil well to be consumed in flame against the intense black horizon, like some great dragon.
  • (20) Its abuse has become concentrated among post-high school age, black males in a limited number of cities, especially Washington, DC.

Melena


Definition:

  • (n.) See Melaena.

Example Sentences:

  • (1) A 54 year old white male died three months after hospitalization for hematemesis and melena due to a duodenal ulcer and two monthos after the subsequent onset of progressive ascites and edema.
  • (2) The two patients were women, one a 45-year-old who consulted for pain, epigastric discomfort and melenas, and the other a 76-year-old who consulted for paraneoplastic syndrome and a palpable mass in the right lower quadrant.
  • (3) A case of primary lymphoma of the stomach with massive hematemesis and melena who underwent emergency gastrectomy is reported.
  • (4) In all active rectal haemorrhages (14 massive, 41 medium) an urgent colonoscopy has been carried out with a percentage of success of 90%; in the 20 cases of unexplained melena, colonoscopy has not led to a diagnosis; in the 14 patients with unexplained anemia, colonoscopy has shown 2 carcinomas, whereas in the 5 cases with occult blood in stools it has been diagnostic in the percentage of 60%.
  • (5) A 60-year-old man was admitted with the complaint of melena.
  • (6) Exploratory abdominal surgery in a budgerigar with a history of lethargy, feather fluffing, and melena revealed a neoplastic mass associated with the jejunal muscularis.
  • (7) Three patients have had melena and one had persistently guaiac-positive stools.
  • (8) Hematemesis and melena may be observed as in the Rendu-Osler disease.
  • (9) The results indicate that lethargy is an important symptom in patients with intussusception when occurring in association with vomiting, melena, or a palpable abdominal mass, or all three.
  • (10) One patient had three days of melena and responded to non-operative therapy.
  • (11) Epistaxis was diagnosed in 10 patients with apparent upper gastrointestinal bleeding, comprising a 0.55% incidence of hematemesis and melena in the population studied.
  • (12) In 1986, she had a history of melena and prolonged bleeding after dental extraction.
  • (13) After the operation, she developed ascites and watery diarrhea, though there was no episode of hematemesis and melena.
  • (14) A 50-year-old woman was admitted on Feb. 25, 1983, complaining of hematemesis and melena.
  • (15) An 82-year-old woman presented with extensive hematomas and melena associated with markedly decreased plasma factor V coagulant activity (FV:C).
  • (16) The diagnosis of a bleeding Meckel's diverticulum was made by angiography in a 71 year old man who presented with melena and hemorrhagic shock.
  • (17) Hematemesis, melena, shock, vague symptoms, anemia, blood examinations and endoscopic findings are reviewed as signs of recent hemorrhage.
  • (18) Simultaneously with the hypogastric pain, hypotension, growing circumference of the abdomen and increasing anaemia--without hematemesis or melena--referred to intraabdominal hemorrhage, which was confirmed by diagnostic paracentesis.
  • (19) We reported a 44 year old man with micronodular cirrhosis who eventually died from massive hematemesis and melena.
  • (20) Histamine H2 antagonists are widely used in treating patients with hematemesis and melena, despite the lack of reliable evidence of benefit from any of the randomized trials, considered separately.

Words possibly related to "melena"