| controlled substance | A substance subject to the Controlled Substances Act (1970), which regulates the prescribing and dispensing, as well as the manufacturing, storage, sale, or distribution of substance's assigned to five schedules according to their 1) potential for or evidence of abuse, 2) potential for psychic or physiologic dependence, 3) contributing a public health risk, 4) harmful pharmacologic effect, or 5) role as a precursor of other controlled substance's. (05 Mar 2000) |
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| controlled thermonuclear fusion | <radiobiology> The process in which light nuclei, heated to a high temperature in a confined region, undergo fusion reactions under controlled conditions, with associated release of energy which may be harnessed for useful purposes. (09 Oct 1997) |
| controlled thermonuclear research | General label for research on controlled thermonuclear fusion reactions. (09 Oct 1997) |
| controlled trial | A clinical study in which one group of participants receives an experimental drug while another group receives either a placebo or an approved standard therapy. When participants do not know which group they are in, the trial is blinded. See: Double-Blind. (09 Oct 1997) |
| controlled ventilation | Intermittent application of mechanically or manually generated positive pressure to gas(es) in or about the airway as a means of forcing gases into the lungs in the absence of spontaneous ventilatory efforts. Synonym: controlled respiration. (05 Mar 2000) |
| pressure-controlled respirator | A respirator that provides a predetermined pressure to gases during inhalation, the volume of gas moved being variable, depending upon resistance. (05 Mar 2000) |
| noncondensing, controlled extraction turbine | A turbine that bleeds part of the main steam flow at one (single extraction) or two (double extraction) points. (05 Dec 1998) |
| environment, controlled | A state in which the environs of hospitals, laboratories, domestic and animal housing, work places, spacecraft, and other surroundings are under technological control with regard to air conditioning, heating, lighting, humidity, ventilation, and other ambient features. The concept includes control of atmospheric composition. (12 Dec 1998) |
| altered self hypothesis | The hypothesis that the T-cell receptor in MHC mediated phenomena recognises a syngeneic MHC Class I or Class II molecule after modification by a virus or certain chemicals. See: MHC restriction. (18 Nov 1997) |
| blood glucose self-monitoring | Self evaluation of whole blood glucose levels outside the clinical laboratory. A digital or battery-operated reflectance meter may be used. It has wide application in controlling unstable insulin-dependent diabetes. (12 Dec 1998) |
| breast self-examination | <procedure> A a regular, defined process of thorough examination of the breasts once a month to detect any changes or suspicious lumps. Exams should be practiced at the end of the period or seven days after the start of the period and be performed monthly at the same time. (09 Oct 1997) |
| physician self-referral | Referral by physicians to testing or treatment facilities in which they have financial interest. The practice is regulated by the ethics in patient referrals act of 1989. (12 Dec 1998) |
| multiple self-healing squamous epithelioma | <tumour> Multiple skin tumours, most frequently on the head, each resembling a well-differentiated squamous carcinoma or keratoacanthoma; individual tumours resolve spontaneously after several months, leaving deep-pitted scars with irregular crenellated borders, and are usually replaced by additional new tumours; autosomal dominant inheritance. (05 Mar 2000) |
| self | 1. The individual as the object of his own reflective consciousness; the man viewed by his own cognition as the subject of all his mental phenomena, the agent in his own activities, the subject of his own feelings, and the possessor of capacities and character; a person as a distinct individual; a being regarded as having personality. "Those who liked their real selves." "A man's self may be the worst fellow to converse with in the world." (Pope) "The self, the I, is recognised in every act of intelligence as the subject to which that act belongs. It is I that perceive, I that imagine, I that remember, I that attend, I that compare, I that feel, I that will, I that am conscious." (Sir W. Hamilton) 2. Hence, personal interest, or love of private interest; selfishness; as, self is his whole aim. 3. Personification; embodiment. "She was beauty's self." (Thomson) Self is united to certain personal pronouns and pronominal adjectives to express emphasis or distinction. Thus, for emphasis; I myself will write; I will examine for myself; thou thyself shalt go; thou shalt see for thyself; you yourself shall write; you shall see for yourself; he himself shall write; he shall examine for himself; she herself shall write; she shall examine for herself; the child itself shall be carried; it shall be present itself. It is also used reflexively; as, I abhor myself; thou enrichest thyself; he loves himself; she admires herself; it pleases itself; we walue ourselves; ye hurry yourselves; they see themselves. Himself, herself, themselves, are used in the nominative case, as well as in the objective. "Jesus himself baptized not, but his disciples." Self is used in the formation of innumerable compounds, usually of obvious signification, in most of which it denotes either the agent or the object of the action expressed by the word with which it is joined, or the person in behalf of whom it is performed, or the person or thing to, for, or towards whom or which a quality, attribute, or feeling expressed by the following word belongs, is directed, or is exerted, or from which it proceeds; or it denotes the subject of, or object affected by, such action, quality, attribute, feeling, or the like; as, self-abandoning, self-abnegation, self-abhorring, self-absorbed, self-accusing, self-adjusting, self-balanced, self-boasting, self-canceled, self-combating, self-commendation, self-condemned, self-conflict, self-conquest, self-constituted, self-consumed, self-contempt, self-controlled, self-deceiving, self-denying, self-destroyed, self-disclosure, self-display, self-dominion, self-doomed, self-elected, self-evolved, self-exalting, self-excusing, self-exile, self-fed, self-fulfillment, self-governed, self-harming, self-helpless, self-humiliation, self-idolized, self-inflicted, self-improvement, self-instruction, self-invited, self-judging, self-justification, self-loathing, self-loving, self-maintenance, self-mastered, self-nourishment, self-perfect, self-perpetuation, self-pleasing, self-praising, self-preserving, self-questioned, self-relying, self-restraining, self-revelation, self-ruined, self-satisfaction, self-support, self-sustained, self-sustaining, self-tormenting, self-troubling, self-trust, self-tuition, self-upbraiding, self-valuing, self-worshiping, and many others. Source: Websters Dictionary (01 Mar 1998) |
| self-accusation | A common psychiatric symptom, encountered most characteristically in agitated depression. (05 Mar 2000) |