| progress | 1. A moving or going forward; a proceeding onward; an advance; specifically: In actual space, as the progress of a ship, carriage, etc. In the growth of an animal or plant; increase. In business of any kind; as, the progress of a negotiation; the progress of art. In knowledge; in proficiency; as, the progress of a child at school. Toward ideal completeness or perfection in respect of quality or condition; applied to individuals, communities, or the race; as, social, moral, religious, or political progress. 2. A journey of state; a circuit; especially, one made by a sovereign through parts of his own dominions. "The king being returned from his progresse." (Evelyn) Origin: L. Progressus, from progredi, p. P. Progressus, to go forth or forward; pro forward + gradi to step, go: cf. F. Progres. See Grade. Source: Websters Dictionary (01 Mar 1998) |
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| progress curve | A graphical representation of a chemical or enzyme-catalyzed reaction in which the product concentration or the substrate concentration or the ES binary complex are plotted against time. (05 Mar 2000) |
| progress zone | An undifferentiated population of mesenchyme cells beneath the apical ectodermal ridge of the chick limb bud from which the sucessive parts of the limb are laid down in a proximo distal sequence. (18 Nov 1997) |
| progression | 1. The act of moving forward; a proceeding in a course; motion onward. 2. Course; passage; lapse or process of time. "I hope, in a short progression, you will be wholly immerged in the delices and joys of religion." (Evelyn) 3. <mathematics> Regular or proportional advance in increase or decrease of numbers; continued proportion, arithmetical, geometrical, or harmonic. 4. A regular succession of tones or chords; the movement of the parts in harmony; the order of the modulations in a piece from key to key. Arithmetical progression, a progression in which the terms increase or decrease by equal differences, as the numbers by the difference 2. Geometrical progression, a progression in which the terms increase or decrease by equal ratios, as the numbers by a continual multiplication or division by 2. Harmonic progression, a progression in which the terms are the reciprocals of quantities in arithmetical progression, as 1/2, 1/4, 1/6, 1/8, 1/10. Origin: L. Progressio: cf. F. Progression. Source: Websters Dictionary (01 Mar 1998) |
| progressive | Advancing, going forward, going from bad to worse, increasing in scope or severity. (18 Nov 1997) |
| progressive bacterial synergistic gangrene | Undermining ulcer of the skin and subcutaneous tissues, usually following an operation, caused by a synergistic interaction between microaerophilic nonhemolytic streptococci and aerobic haemolytic staphylococci. Synonym: Meleney's gangrene, progressive bacterial synergistic gangrene. (05 Mar 2000) |
| progressive bulbar palsy | One of the subgroups of motor neuron disease; a progressive degenerative disorder of the motor neurons of primarily the brainstem, manifested as weakness (and wasting) of the various bulbar muscles, resulting in dysarthria and dysphagia-fluid regurgitation is an outstanding symptom and can cause aspiration; tongue weakness and wasting is usually evident, and often the fasciculation potentials are present in the tongue and facial muscles. Synonym: glossopalatolabial paralysis, glossopharyngeolabial paralysis. (05 Mar 2000) |
| progressive bulbar paralysis | Progressive weakness and atrophy of the muscles of the tongue, lips, palate, pharynx, and larynx, usually occurring in later life; most often caused by motor neuron disease. Synonym: bulbar palsy, bulbar paralysis, Duchenne's disease, Erb disease, glossolabiolaryngeal paralysis, glossolabiopharyngeal paralysis. (05 Mar 2000) |
| progressive cataract | A cataract in which the opacification process progresses to involve the entire lens. (05 Mar 2000) |
| progressive cerebellar tremor | <syndrome> An intention tremor beginning in one extremity, gradually increasing in intensity, and subsequently involving other parts of the body. Synonym: progressive cerebellar tremor. Facial paralysis, otalgia, and herpes zoster resulting from viral infection of the seventh cranial nerve and geniculate ganglion, a form of juvenile paralysis agitans associated with primary atrophy of the pallidal system. Synonym: paleostriatal syndrome, pallidal syndrome. Synonym: Ramsay Hunt's syndrome. (05 Mar 2000) |
| progressive cerebral poliodystrophy | Familial progressive spastic paresis of extremities with progressive mental deterioration, with development of seizures, blindness and deafness, beginning during the first year of life, and with destruction and disorganization of nerve cells of the cerebral cortex. Synonym: Alpers disease, Christensen-Krabbe disease, progressive cerebral poliodystrophy. (05 Mar 2000) |
| progressive choroidal atrophy | An x chromosome-linked abnormality characterised by atrophy of the choroid and degeneration of the retinal pigment epithelium causing night blindness. (12 Dec 1998) |
| progressive circumscribed cerebral atrophy | Circumscribed atrophy of the cerebral cortex. Synonym: lobar sclerosis, progressive circumscribed cerebral atrophy. (05 Mar 2000) |
| progressive cleavage | In fungi, a type of sporulation in which cleavage planes in the cytoplasm first produce protospores and then sporangiospores in a sporangium. (05 Mar 2000) |
| progressive emphysematous necrosis | <microbiology> A severe form of gangrene (tissue necrosis) caused by Clostridium infection. Also referred to as necrotising subcutaneous infection. Results in death of the subcutaneous tissues and muscle layers. See: necrotising fascitis. (27 Sep 1997) |