gas-filled cavity

См. также в других словарях:

• Bragg-Gray Cavity Theory — According to the Bragg Gray cavity theory, the ionization produced within a gas filled cavity inside a medium is related to the energy absorbed in that surrounding medium. If the cavity is small enough that it does not change the number or… …   Wikipedia

• Body cavity — Picture of Human body cavities dorsal body cavity to the left and ventral body cavity to the right. By the broadest definition, a body cavity is any fluid filled space in a multicellular organism. However, the term usually refers to the space… …   Wikipedia

• Helium — otherusesHelium (He) is a colorless, odorless, tasteless, non toxic, inert monatomic chemical element that heads the noble gas group in the periodic table and whose atomic number is 2. Its boiling and melting points are the lowest among the… …   Wikipedia

• mechanoreception — See mechanoreceptor. * * * Ability to detect and respond to mechanical stimuli in one s environment. A slight deformation of a mechanoreceptive neuron causes an electric charge at its surface, activating a response. Mechanoreceptors in pain spots …   Universalium

• pneumatocele — 1. An emphysematous or gaseous swelling. 2. SYN: pneumonocele. 3. A thin walled cavity within the lung, one of the characteristic sequelae of staphylococcus pneumonia and Pneumocystis carinii …   Medical dictionary

• air chamber — (MOLLUSCA: Cephalopoda) The gas filled cavity of a nautilus shell that was previously occupied by that organism …   Dictionary of invertebrate zoology

• gray — The SI unit of absorbed dose of ionizing radiation, equivalent to 1 J/kg of tissue; 1 Gy = 100 rad. SYN: griseus. [Louis H. G., British radiologist, 1905–1965] * * * gray or chiefly Brit grey grā n any of a series of neutral colors ranging… …   Medical dictionary

• pneumatophore — [no͞o′mə tō fôr΄, no͞o′mətəfôr΄; nyo͞o′mə tō fôr΄, nyo͞o′mə tə fôr΄; no͞o mat′ōfôr΄, no͞o mat′əfôr΄; nyo͞omə tō fôr΄, nyo͞omə tə fôr΄; nyo͞omə tō fôr΄, nyo͞omə tə fôr΄; nyo͞omat′ō fôr΄, nyo͞omat′ō fôr΄] n. 1. Bot. a porous, woody, specialized… …   English World dictionary

• pneumatocele — ˈn(y)üməd.ōˌsēl noun ( s) Etymology: Middle Greek pneumatokēlē, a gaseous tumor, from Greek pneumat + kēlē tumor : a gas filled cavity or sac occurring especially in the lung …   Useful english dictionary

• spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …   Universalium

• circulation — circulable /serr kyeuh leuh beuhl/, adj. /serr kyeuh lay sheuhn/, n. 1. an act or instance of circulating, moving in a circle or circuit, or flowing. 2. the continuous movement of blood through the heart and blood vessels, which is maintained… …   Universalium