(n.) The science, doctrine, or demonstration of causes; esp., the investigation of the causes of any disease; the science of the origin and development of things.
(n.) The assignment of a cause.
Example Sentences:
(1) The data indicate that ebselen is likely to be useful in the therapy of inflammatory conditions in which reactive oxygen species, such as peroxides, play an aetiological role.
(2) The aetiological factors concerned in the production of paraumbilical and epigastric hernias have been reviewed along structural--functional lines.
(3) In the aetiology the Periodontitis apicalis and wounds after tooth extractions are in the highest position.
(4) While much research has examined the aetiology and treatment of asthma, little work has been done on its social impact.
(5) A traumatic factor in the aetiology of the AVM was also discussed, since the patient had had two preceding episodes of traffic accidents with cranial and lumbar injury.
(6) A viral aetiology for this group of diseases remains an attractive but unsubstantiated hypothesis.
(7) The rationale for using the high-risk-group research design in the search for the aetiology of schizophrenia is described.
(8) Thirty patients were evaluated in a blind fashion to study the effect of oral propranolol on portal hypertension of varied aetiology.
(9) It appears that irrespective of the elucidation of the nature of the putative aetiological factor (presumed to be viral) in MS, the arrest and reversal of T cell-related events within the CNS in this devastating condition represent feasible goals and should remain a major target for some time to come.
(10) However, occupational hazards, toxic and iatrogenic drug-induced aetiologies should not be overlooked.
(11) These results, together with the gradual onset of symptoms which worsened after each pregnancy, suggest a possible autoimmune aetiology of her pituitary ACTH and Prl deficiencies.
(12) No common aetiological factor could be found, although four of these patients did have a mild or moderatley active superficial chronic gastritis.
(13) These studies demonstrated an association of HIV virus with cytopathic and immunopathogenic reactions in lymphatic organs of AIDS patients, and are consistent with previous results, as well as indicative of a primary aetiologic role for the virus.
(14) The aetiology remains at present uncertain and therefore rational therapeutic strategies are difficult to plan.
(15) It is important that the aetiology of the hypercalcaemia be established, as it can reflect serious disease.
(16) Recent theoretical developments in health psychology and allied disciplines on coping behaviour and social support should be integrated into biomedical models of the aetiology, pathogenesis and clinical course of malignant neoplasia.
(17) The syndrome of ovarian hyperstimulation is an exceptional aetiology of pleural effusion.
(18) Parental consanguinity suggests that an autosomal recessive mutation is the likely aetiology.
(20) Frequency, clinical aspects, histology and aetiology of the above described disorders of placentation are discussed.
Origin
Definition:
(n.) The first existence or beginning of anything; the birth.
(n.) That from which anything primarily proceeds; the fountain; the spring; the cause; the occasion.
(n.) The point of attachment or end of a muscle which is fixed during contraction; -- in contradistinction to insertion.
Example Sentences:
(1) Our results suggest that the peripheral sensitivity to hypoxia declined more than that to CO2, implying a peripheral chemoreceptor origin for hypoxic ventilatory decline.
(2) These immunocytochemical studies clearly demonstrated that cells encountered within the fibrous intimal thickening in the vein graft were inevitably smooth muscle cell in origin.
(3) The nuclear origin of the Ha antigen was confirmed by the speckled nuclear immunofluorescence staining pattern given by purified antibody to Ha obtained from a specific immune precipitate.
(4) The origin of the aorta and pulmonary artery from the right ventricle is a complicated and little studied congenital cardiac malformation.
(5) The origins of aging of higher forms of life, particularly humans, is presented as the consequence of an evolved balance between 4 specific kinds of dysfunction-producing events and 4 kinds of evolved counteracting effects in long-lived forms.
(6) These cells contained organelles characteristic of the maturation stage ameloblast and often extended to the enamel surface, suggesting a possible origin from the ameloblast layer.
(7) We conclude that chloramphenicol resistance encoded by Tn1696 is due to a permeability barrier and hypothesize that the gene from P. aeruginosa may share a common ancestral origin with these genes from other gram-negative organisms.
(8) Typological and archaeological investigations indicate that the church building represents originally the hospital facility for the lay brothers of the monastery, which according to the chronicle of the monastery was built in the beginning of the 14th century.
(9) Plasma NPY correlated better with plasma norepinephrine than with epinephrine, indicating its origin from sympathetic nerve terminals.
(10) Interadjudicator agreement was stronger on 'originality' than on 'aesthetic pleasingness'.
(11) One rare case of blind-ending branch originating in the upper third of the ureter are described.
(12) It is my desperate hope that we close out of town.” In the book, God publishes his own 'It Getteth Better' video and clarifies his original writings on homosexuality: I remember dictating these lines to Moses; and afterward looking up to find him staring at me in wide-eyed astonishment, and saying, "Thou do knowest that when the Israelites read this, they're going to lose their fucking shit, right?"
(13) As the requirements to store and display these images increase, the following questions become important: (a) What methods can be used to ensure that information given to the physician represents the originally acquired data?
(14) The condition is compared to extrahepatic and intrahepatic biliary atresia of man and evidence is presented for regarding this case to be one of extrahepatic origin.
(15) The position of the cyst supports the theory that branchial cysts are congenital in origin.
(16) heterografts of GW-39, a CEA-producing colonic tumor of human origin, was demonstrated in radioimmunoassay using radioiodinated CEA purified from GW-39.
(17) The committee reviewed the history, original intent, current purpose, and effectiveness of meetings held on the unit; when problems were identified, suggestions for change were formulated.
(18) The relative strength of the progressions varies with excitation wavelength and this, together with the absence of a common origin, indicates the existence of two independent emitting states with 0-0' levels separated by either 300 or 1000 cm-1.
(19) Sickle and normal discocytes both showed membrane elasticity with reversion to original cell shape following release of the cell from its aspirated position at the pipette tip.
(20) With respect to family environment, a history of sexual abuse was associated with perceptions that families of origin had less cohesion, more conflict, less emphasis on moral-religious matters, less emphasis on achievement, and less of an orientation towards intellectual, cultural, and recreational pursuits.