| CEM | computerized electroencephalographic map; conventional transmission electron microscope |
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| CTEM | conventional transmission electron microscopy |
| CTT | cefotetan; central tegmental tract; central transmission time; compressed tablet triturate; computer... |
| DT | defibillation threshold; delirium tremens; dental technician; depression of transmission; dietetic [... |
| HRTEM | high-resolution transmission electron microscopy |
| disease transmission, professional-to-patient | The transmission of infectious disease or pathogens from health professional or health care worker to patients. It includes transmission via direct or indirect exposure to bacterial, fungal, parasitic, or viral agents. (12 Dec 1998) |
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| disease transmission, vertical | The transmission of infectious disease or pathogens from one generation to another. It includes transmission in utero or intrapartum by exposure to blood and secretions, and postpartum exposure via breastfeeding. (12 Dec 1998) |
| duplex transmission | The passage of impulses in both directions through a nerve trunk. (05 Mar 2000) |
| iatrogenic transmission | Transmission of infectious agents due to medical interference (e.g., transmission by contaminated needles). (05 Mar 2000) |
| indirect transmission | <epidemiology> Transmission of a parasite through an indirect life cycle. (05 Dec 1998) |
| transmission | 1. <microbiology, physiology> A passage or transfer, as of a disease from one individual to another or of neutral impulses from one neuron to another. 2. <genetics> The communication of inheritable qualities from parent to offspring (18 Nov 1997) |
| transmission breakpoint | <epidemiology> A critical average worm burden below which the mating frequency is too low to maintain a dioecious parasite species. (05 Dec 1998) |
| transmission electron microscopy | <technique> Those forms of electron microscopy in which electrons are transmitted through the object to be imaged, suffering energy loss by diffraction and to a small extent by absorption. Acronym: TEM (18 Nov 1997) |
| transmission microscope | <instrument, optics> A microscope in which the image-forming rays pass through (are transmitted by) the specimen being observed. Refers to both light and electron microscopes. (05 Aug 1998) |
| transmission threshold | <epidemiology> Occurs for a parasite when the basic reproductive rate Ro is equal to 1. Below this threshold level the disease is unable to maintain itself within the host population. Typically, for directly transmitted parasites there is a transmission threshold for the host population size. (05 Dec 1998) |
| transovarial transmission | Passage of parasites or infective agents from the maternal body to eggs within the ovaries; commonly used to describe certain arthropods, to explain the ability of larvae of the next generation to transmit disease pathogens, as with the infection of larval mites or ticks with rickettsiae or viruses. (05 Mar 2000) |
| transstadial transmission | Passage of a microbial parasite, such as a virus or rickettsia, from one developmental stage (stadium) of the host to its subsequent stage or stages, particularly as seen in mites. See: transovarial transmission. (05 Mar 2000) |
| agonal infection | An acute infection, commonly pneumonic or septic, occurring toward the end of any disease and often the cause of death. Synonym: agonal infection. (05 Mar 2000) |
| airborne infection | A mechanism of transmission of an infectious agent by particles, dust, or droplet nuclei suspended in the air. (05 Mar 2000) |
| apical infection | Implantation of microorganisms at the apex of a tooth, usually the result of the migration of microorganisms from the pulp canal through the apical foramen. (05 Mar 2000) |