BLASTOIDS (marine buds), a class extinct marine animal such as Echinodermata. Length up to 35 see. Lived with ordovika on perm. More than 300 kinds. Managing minerals.

BLASTOMERES (from blasto... And grech. meros - a part), the cells which are generatrix during cleavage eggs for metazoans. Blastomeres will not grow and at each consequent division (down to education of a blastula) are halved.

ZYMONEMATOSIS, disease predominary dogs, less often than the person, called by a yeast pathogenic mushroom. Symptoms: abscesses in a leather, in an internals.

BLASTOMOGENESIS, the same, that onkogenez.

BLASTOCYST (from blasto... And grech. kystis - a bubble) (blastodermichesky an alveole), a stage of development of mammals and the person during cleavage of an oosperm. Contains a germinal nodule from which develop a germ and his environments. The outside wall blastocysts will derivate a trophoblast.

BLASTULA (from grech. blastos - a germ), a stage of development of a germ of metazoans during a blastulation - a concluding phase of the season of cleavage eggs. The structure of a blastula depends on cleavage pattern, quantity and distribution of a yolk in an ovum. Many animal at the stage of a blastula have a cavity - blastotsel.

BLATENSKOE the PRINCIPALITY, in 9 century the slavonic state in area an eskar. Balaton. Center - Blatengrad, is based by prince Pribinoj. In 874 Blatenskoe the principality was part Velikomoravskoj of the mandatory power.

BLAU (Blaeu), family of the Netherlands scientists and cartographers - publishers: Willem Janszon (1571-1638), etc. Firm Blau emitted earth and celestial globes, multivolume atlases (" the New atlas ", " the Major atlas ") - collection of maps, geographycal texts (are transferbed to many tongues).

BLAU (Blau) Marietta (1894-1970), Austrian physics. In 1939-60 worked in the USA, in 1960 has returned to Austria. Transactionses on a radioactivity, physics of ultrarays, a nuclear physics. For the first time has applied in 1936 photoplates to probe of ultrarays.

BLAUMANIS (Blaumanis) Rudolf (1863-1908), the Latvian writer. Stories about life of the Latvian peasantry (the collection " At light of a shive ", 1893), plays (" Sins Triny ", 1896, " Malicious spirit ", 1891). Satirical verses on political themes.

BLASHKOVICH (Blasckovic) Dioniz (r. 1913), a Czechoslovak microbiologist and the virologist, the academician (1952), the vice-president (1961-65) Czechoslovak AN, the foreign member of the Russian Academy of Science (1991; foreign member AN the USSR with 1966). Transactionses on natural ochagovosti, circulations in a nature of pathogenic viruses, a general virology, hygiene.

DEATH CUP, the most toxicant flap-type mushroom from a stem a fly mushroom. A cap green or virescent up to white, with white plates. A leg with a paleaceous ring and a sacculate sheath. In deciduous, less often coniferous forests of Eurasia and the Sowing. America.

BLEJK (Blake) Peter (r .1920), the American architect and the theorist of the modern architecture. The writer of designs private and public buildings in international style. Books " Skilful builders " (1960), " the Form sluduet for a fiasco " (1977), etc.

BLEJK (Blake) William (1757-1827), the English poet and the artist. Collections " Songs of ignorance " (1789), " Songs of knowledge " (1794), "prophetical" poems (1789-1820) in mythological and biblical modes have reflected events of the French revolution kon. 18 century and the American War for independence. For poetry Blejka, as well as for his case histories to natural books and to " the Heavenly comedy " Dante, the romantic fantasy, philosophical allegory are characteristic.

BLEJLER (Bleuler) Ejgen (1857-1939), the Swiss psychiatrist and the psychologist. Has described (1911) schizophrenia as do-it-yourself disease.

BLEJMAN Michael Jurjevich (1904-73), the Russian film writer, the critic. Scripts of films (over 40, some in the co-authorship): " Exploit of the scout ", " It was in Donbass ", " the Alarming youth ". The state premium of the USSR (1948).

FADED ORE, group of minerals of subclass of the composite sulphides which are generatrix an isomorphous number tennantit Cu12As4S13 - tetraedrit Cu12Sb4S13. Impurity Ag (frejbergit - up to 17 %), Zn, Fe, Hg. Stalno-grey, iron - black acinose units, grains. Hardness 3-4,5; firmness of 4,6-5,4 g / sm3. Are part some copper ores, antimony, silver, mercury are extracted also.

BLEKSLI (Blakeslee) (Blejksli) Albert Frensis (1874-1954), American botanik and genetics. In 1927 together with S.Gejdzherom experiences on a datura has proved a capability of obtaining of mutations under action of radiation. Has discovered (1904) phenomena of a heterothallism for mushrooms. Has discovered (1937, together with O.T.Ejveri) a method of obtaining poliploidnyh mutations for plants, acting on them a colchicine. The initiator of a method of cultivation of germs of plants.

BLENVIL (Blainville) Anri (1777-1850), the French zoologist and the anatomist, foreign corresponding member Petersburg AN (1840.) has finally separated taxonomic group amphibian from kowtowing, has divided mammals on a bird, dvu-and monodelphic (sovr. Onepass, ascigerous, placental).