| blas | Term invented by van Helmont to denote a mystical spirit or vital force which presided over and governed the various processes of the body. Each bodily function was supposed to have its own special blas; blas appears to be the counterpart of the archaeus of Paracelsus. Origin: a Middle E. Variant of blast (05 Mar 2000) |
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| Blasius' duct | The duct of the parotid gland opening from the cheek into the vestibule of the mouth opposite the neck of the superior second molar tooth. Synonym: ductus parotideus, Blasius' duct, Stensen's duct, Steno's duct. (05 Mar 2000) |
| Blasius, Gerhard | <person> 17th century Dutch anatomist. See: Blasius' duct. (05 Mar 2000) |
| blast | 1. <biology, suffix> A suffix or terminal formative, used principally in biological terms, and signifying growth or formation. An immature precursor cell of the type indicated by the preceding word, for example; bioblast, epiblast, mesoblast, etc. 2. A violent gust of wind. A forcible stream of air from an orifice, as from a bellows, the mouth, etc. Hence: The continuous blowing to which one charge of ore or metal is subjected in a furnace; as, to melt so many tons of iron at a blast. 3. The terms hot blast and cold blast are employed to designate whether the current is heated or not heated before entering the furnace. A blast furnace is said to be in blast while it is in operation, and out of blast when not in use. 4. <veterinary> A flatulent disease of sheep. See: blast cell, blastema. Origin: G. Blastos, germ (20 Jun 2000) |
| blast cell | <haematology> A immature cell of a proliferative compartment in a cell lineage that normally represent up to 5% of the cells in the bone marrow. An over-production of blasts in the marrow is characteristic of leukaemia when the blast cells often spill out into the blood stream. (17 Mar 1998) |
| blast crisis | <haematology> In patients with chronic myelogenous leukaemia, the progression of the diseases to an acute advanced phase, evidenced by an increased number of immature white blood cells in the circulating blood. Sometimes loosely used to describe a rapid increase in the white blood cell count of any leukaemic patient. (17 Mar 1998) |
| blast injuries | Injuries resulting when a person is struck by particles impelled with violent force from an explosion. Blast causes pulmonary concussion and haemorrhage, laceration of other thoracic and abdominal viscera, ruptured ear drums, and minor effects in the central nevous system. (12 Dec 1998) |
| blast injury | Tearing of lung tissue or rupture of abdominal viscera without external injury, as by the force of an explosion. (05 Mar 2000) |
| blast phase | Refers to advanced chronic myelogenous leukaemia. In this phase, the number of immature, abnormal white blood cells in the bone marrow and blood is extremely high. Also called blast crisis. (12 Dec 1998) |
| blast transformation | <haematology> The morphological and biochemical changes in lymphocytes, both B and T, on exposure to antigen or to a mitogen. The cells appear to move from G0 to G1 stage of the cell cycle. They usually enlarge and proceed to S phase and mitosis later. The process probably involves receptor cross linking on the plasma membrane. (18 Nov 1997) |
| blastema | <cell biology, embryology> A group of cells in an organism that will develop into a new individual by asexual reproduction or into an organised structure during regeneration. (17 Mar 1998) |
| blastemal | <biology> Relating to the blastema; rudimentary. Source: Websters Dictionary (01 Mar 1998) |
| blastematic | <biology> Connected with, or proceeding from, the blastema; blastemal. Source: Websters Dictionary (01 Mar 1998) |
| blastemic | Relating to the blastema. (05 Mar 2000) |
| blastic | 1. Describing the formation of a conidium by the blowing out process of a fertile hypha before being limited by a septum. 2. Colloquial term for osteoblastic. Origin: G. Blastos, germ + -ic (05 Mar 2000) |
Synonyms : Circulation Time, Blood, Time, Blood Circulation, Blood Circulation Times, Circulation Times, Blood, Times, Blood Circulation
Synonyms : Coagulation, Blood, Blood Clottings, Clotting, Blood
Synonyms : Coagulation Disorders, Blood, Disorders, Blood Coagulation, Blood Coagulation Disorder, Coagulation Disorder, Blood, Disorder, Blood Coagulation
Synonyms : Hereditary Blood Coagulation Disorders, Inherited Blood Coagulation Disorders, Coagulation Disorder, Hereditary, Coagulation Disorder, Inherited, Coagulation Disorders, Hereditary, Hereditary Coagulation Disorder, Inherited Coagulation Disorder
Synonyms : Inhibitor, Blood Coagulation Factor, Inhibitor, Coagulation Factor, Blood, Inhibitors, Blood Coagulation Factor, Inhibitors, Coagulation Factor, Blood
| blastomycete |
any of various yeastlike budding fungi of the genus Blastomyces; cause disease in humans and other animals
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| blind gut |
cecum: the cavity in which the large intestine begins and into which the ileum opens; "the appendix is an offshoot of the cecum"
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| bland |
lacking taste or flavor or tang; "a bland diet"; "insipid hospital food"; "flavorless supermarket tomatoes"; "vapid beer"; "vapid tea" lacking stimulating characteristics; uninteresting; "a bland little drama"; "a flat joke" politic: smoothly agreeable and courteous with a degree of sophistication; "he was too politic to quarrel with so important a personage"; "the hostess averted a confrontation between two guests with a diplomatic change of subject"; "the manager pacified the customer with a smooth apology for the error"; "affable, suave, moderate men...smugly convinced of their respectability" - Ezra Pound
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| blastomycosis |
any of several infections of the skin or mucous membrane caused by Blastomyces
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| blastopore |
the opening into the archenteron
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| BL | a common name for a variety of Sarcosomataceae |
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| BL | a black flag bearing a white skull and crossbones |
| BL | small blackish stout-bodied biting fly having aquatic larvae |
| BL | a hilly forest region in southwestern Germany |
| BL | red fox in the color phase when its pelt is mostly black |
| BL | a Catholic friar wearing the black mantle of the Dominican order |
| BL | herb of southwestern United States having dark purple bell-shaped flowers mottled with green |
| BL | especially of western coastal regions of North America |
| BL | low hardy much-branched spiny shrub common in alkaline soils of western America |
| BL | grouse of which the male is bluish-black |
| BL | North Atlantic guillemot |
| BL | small mallee with rough dark-colored bark toward the butt yielding a red eucalyptus kino |