What's the difference between ivory and tessera?

Ivory


Definition:

  • (n.) The hard, white, opaque, fine-grained substance constituting the tusks of the elephant. It is a variety of dentine, characterized by the minuteness and close arrangement of the tubes, as also by their double flexure. It is used in manufacturing articles of ornament or utility.
  • (n.) The tusks themselves of the elephant, etc.
  • (n.) Any carving executed in ivory.
  • (n.) Teeth; as, to show one's ivories.

Example Sentences:

  • (1) Admirable, but will destroying ivory get that message through to poachers, ivory traffickers and the workshops in east Asia and elsewhere that buy smuggled raw ivory?
  • (2) Public opposition to the ivory trade has grown, and cooperation between conservationists and local communities has had a dramatic impact.
  • (3) It also hydrolyzes (Man)2-GlcNAc from the urine of an alpha-mannosidosis patient, 1,4-D-mannobiose and mannotriose isolated from ivory nut mannan, 4-O-beta-D-mannopyranosyl-L-rhamnose, 6-O-beta-D-mannopyranosyl-D-galactose and 4-O-beta-D-mannopyranosyl-N-acetylglucosamine.
  • (4) In the present study, serum samples were obtained from 4248 individuals from six West African countries, including Senegal, Guinea, Guinea Bissau, Mauritania, Burkina Faso, and Ivory Coast.
  • (5) With all attempts at mediation failing - Gbagbo has repeatedly rejected offers of a "safe and dignified" exit - the African Union reaffirmed its recognition of Ouattara as the rightful leader of Ivory Coast in March.
  • (6) Peter Knights of WildAid, a non-governmental organization (NGO) based in San Francisco, observed that people who argue against the destruction of ivory stockpiles think that having a legal supply is the answer to the poaching problem.
  • (7) The Ivory Coast international Sagbo had won the penalty from which Hull scored through Robbie Brady – a decision labelled "incredibly soft" by the Norwich manager, Chris Hughton – but minutes later was sent off after he clashed with Russell Martin.
  • (8) He is with the Ivory Coast at the Africa Cup of Nations in Equatorial Guinea, meaning he may be unavailable until the middle of next month.
  • (9) For example, the DRC reported only six ivory seizures in the past two decades, yet was implicated in 396 seizures made outside of the country.
  • (10) Ivory epiphyses ovvurred more often in children in the lower socio-economic class and children with hemoglobin AA.
  • (11) He'll miss Ivory Coast's final group game against Greece.
  • (12) The report contains damning evidence of the potentially toxic nature of the waste Trafigura dumped in Abidjan in the Ivory Coast .
  • (13) In health car facilities, systems studies are commonly conducted as ivory-tower operations with minimal impact and little practical result.
  • (14) Kenya's president has set fire to more than five tonnes of elephant ivory worth £10m to draw attention to poaching deaths.
  • (15) We’ve seen a mind-boggling 49 goals , compared with 25 at the same stage in 2010 – that's almost double, by my calculations There have been only two draws (six in 2010) A remarkable six teams have come from behind to win (Brazil, Holland, Ivory Coast, Switzerland, Costa Rica and Belgium).
  • (16) Their report includes the results of a survey about the sanitary protection of the children and about the respect of the ideal immunization schedule and recommended in Ivory Coast (39,9% in town and 6,2% in rural area).
  • (17) Consecutive man-of-the-match performances against Greece and Ivory Coast helped Colombia brush aside the lassitude that swamped the country’s World Cup preparations after injury to their talismanic striker Falcao .
  • (18) The analysis of these cases of elliptocytosis allow to draw the following conclusions: the frequency of the hereditary elliptocytosis varies between 0.6 to 1 per cent in Ivory Coast, the functional and structural analysis of spectrin show a high global frequency of the elliptocytosis of Model I in relation with an abnormally of alpha I domain of spectrin, all the cases detected don't give any clinical trouble.
  • (19) And if you want to talk about messages, what kind of message does it send to stockpile ivory like any other valuable commodity?
  • (20) A realistic elephant might serve as a memento to the hundred elephants killed for their ivory every day.

Tessera


Definition:

  • (n.) A small piece of marble, glass, earthenware, or the like, having a square, or nearly square, face, used by the ancients for mosaic, as for making pavements, for ornamenting walls, and like purposes; also, a similar piece of ivory, bone, wood, etc., used as a ticket of admission to theaters, or as a certificate for successful gladiators, and as a token for various other purposes.

Example Sentences:

  • (1) Transmission electron microscopy shows calcification in close association with coarse collagen fibrils on the outer side of a tessera, but such fibrils are absent from the cartilaginous matrix along the under side of tesserae.
  • (2) If so, the cap could be considered a thin veneer of bone atop the calcified cartilage of the body of a tessera.
  • (3) The outer zone of tesserae, the cap, is composed of calcified tissue which appears to be produced by perichondrial fibroblasts more directly, i.e., without first differentiating as chondroblasts.
  • (4) Individual tesserae develop peripherally at the boundary between cartilage and perichondrium.
  • (5) Calcospherites and hydroxyapatite crystals similar to those commonly seen on the surface of bone are present on the outer surface of the tessera adjacent to the perichondrium.
  • (6) By scanning electron microscopy it was observed that outer and inner surfaces of tesserae differ in appearance.

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