What's the difference between exhalation and expiration?

Exhalation


Definition:

  • (n.) The act or process of exhaling, or sending forth in the form of steam or vapor; evaporation.
  • (n.) That which is exhaled, or which rises in the form of vapor, fume, or steam; effluvium; emanation; as, exhalations from the earth or flowers, decaying matter, etc.
  • (n.) A bright phenomenon; a meteor.

Example Sentences:

  • (1) We investigated the possible contribution made by oropharyngeal microfloral fermentation of ingested carbohydrate to the generation of the early, transient exhaled breath hydrogen rise seen after carbohydrate ingestion.
  • (2) The volume of exhaled gas, during three- to five-minute collection periods, was measured and the fraction of exhaled CO2 was determined by a CO2 meter.
  • (3) Such an 'inert tube' model may be adequate to describe the inhalation and exhalation kinetics of inert vapours, for example non-polar solvents which have a low water solubility.
  • (4) Response requirements are manual rather than verbal so that, in addition to monitoring heart rate, subjects' exhaled air may be collected throughout the task in order to determine oxygen consumption.
  • (5) Offspring of marmosets reached adult values of 14CO2 exhalation at 8 days postnatally when using [14CO2]-methacetin as substrate and at 30 days postnatally using [14C2H5]-phenacetin in the breath test.
  • (6) After a breath-hold of 30-90 s they exhaled and then breathed spontaneously the same anaesthetic mixture for up to 2 min.
  • (7) We propose a metabolic scheme in which the major pathway for metabolism of 1-CP is to CO2 (which is exhaled) and to cysteine conjugates and mercapturic acids that are excreted in the urine.
  • (8) Photograph: Manuel Vazquez for the Guardian One of the most insistent voices arguing against e-cigarettes has been the World Health Organisation, which has called for a ban on vaping indoors, citing evidence that “suggests exhaled e-cigarette aerosol increases the background air level of some toxicants, nicotine and particles”.
  • (9) Diphasicity of the exhalation curve was not present in these patients.
  • (10) Insignificant 14C was detected by carcass analysis following cessation of exhaled 14CO2.
  • (11) "Traumatised critics exhale: I'm unable to do the Oscars again," he wrote .
  • (12) A Fisher and Paykel anesthetic humidifier was employed in the exhalation side of Jackson Rees type breathing circuit between the anesthesia machine and patient's endotracheal tube.
  • (13) Pulmonary distribution of [99Tcm) albumin radioaerosol, maximal expiratory flow when 25% of forced vital capacity remain to be exhaled (MEF25), and bronchial responsiveness to inhaled histamine were measured.
  • (14) Acidic rinsing resulted in an immediate 90% reduction in exhaled ammonia in all subjects, and a return to 50% of baseline levels occurred within 1 h. Depletion that resulted from tooth brushing or distilled water alone was not significant.
  • (15) These samples were collected from atmospheres of either analyte generated at 35 degrees-40 degrees C and 80%-90% relative humidity to simulate an exhaled breath sample matrix.
  • (16) The 8 patients who developed diarrhea (33%) had significantly elevated hydrogen exhalation in relationship to the patients with no diarrhea.
  • (17) Rectal temperature, PaO2, PaCO2, respiratory rate, exhaled minute ventilation (VE), tidal volume (VT), and blood pressure and pulse were measured.
  • (18) Approximately 12% of the administered radioactivity is exhaled as 11CO2 during the first 30 min.
  • (19) The results during wakefulness indicate that the TA contributes to an active adduction of the vocal cords in expiration and suggest the presence of an active laryngeal braking mechanism during exhalation.
  • (20) The correlation between exposure to THF and its concentration in exhaled breath and blood was low (r = 0.61 and 0.68 respectively).

Expiration


Definition:

  • (n.) The act of expiring
  • (n.) The act or process of breathing out, or forcing air from the lungs through the nose or mouth; as, respiration consists of inspiration and expiration; -- opposed to inspiration.
  • (n.) Emission of volatile matter; exhalation.
  • (n.) The last emission of breath; death.
  • (n.) A coming to a close; cessation; extinction; termination; end.
  • (n.) That which is expired; matter breathed forth; that which is produced by breathing out, as a sound.

Example Sentences:

  • (1) Carbon dioxide (CO2) levels, volumes, and temperatures of expired gas were measured from the tracheal and esophageal tubes.
  • (2) But RWE admitted it had often only been able to retain customers with expired contracts by offering them new deals with more favourable conditions.
  • (3) The prospectus revealed he has an agreement with Dorsey to vote his shares, which expires when the company goes public in November.
  • (4) The phenylalanine model allows the rapid assessment of whole body and muscle protein turnover from plasma samples alone, obviating the need for measurement of expired air CO2 production or enrichment.
  • (5) In a newspaper interview last month, Shapps said the BBC needed to tackle what he said was a culture of secrecy, waste and unbalanced reporting if it hoped to retain the full £3.6bn raised by the licence fee after the current Royal Charter expires in 2016.
  • (6) Aryl hydrocarbon hydroxylase (AHH) inducibility, carbon monoxide in expired air (CO), serum gammaglutamyl-transferase (GGT), and total cholesterol were compared in equal-sized, age-matched samples of healthy middle-aged males born in 1921, 1934-1936, and 1946 attending the ongoing preventive medical population program in Malmö.
  • (7) The feces contained less than 3% of the dose and the expired 14CO2 and cage wash accounted for less than 0.2 and 1% of the dose, respectively.
  • (8) As a result, it was stated that about a half of the preparations studied do not meet the requirements of USP XXI as for as the content of the active substance is concerned, which suggests that the expiration date is shorter by 6 to 12 months.
  • (9) Under cyclic uptake conditions alveolar gases follow an oscillating time course, because gas concentrations tend to increase during inspiration and to decrease during expiration.
  • (10) Radioactive CO2 was detected in expired air after the administration of 25-hydroxy-[26,27-14C] vitamin d3 to vitamin D-deficient hypocalcemic rats; 14co2 was also detected after the administration of 1,25-dihydroxy-[26,27-14C] vitamin D3 to rats raised on the same diet.
  • (11) Approximately 12% and 40% of radioactivity administered was excreted in the urine and feces respectively during the first 24 hours, however, the excretion of radioactivity by expiration was not determined.
  • (12) Twenty-two afferent fibers were activated during the three inspiratory efforts with occlusions applied at end-expiration, when the upper airway was subjected to negative pressure (-1.93, -2.16 and -2.22 kPa at the 1st, 2nd and 3rd effort, respectively).
  • (13) The relationship between mean pulmonary artery pressure (PAP) and alveolar pressures, at varying tidal volumes and opposing variable pressure to expiratory flow, was studied in 14 healthy dogs at the end of inspiration and at the end of expiration.
  • (14) Arterial blood and expired gas samples were taken from 20 patients before operation and on the first day after upper abdominal surgery.
  • (15) Following exposure to white spirit vapour, the effect of the expired solvent on evidential breath alcohol equipment was investigated under controlled exposure chamber conditions and in a simulated painting exercise.
  • (16) Maximal expiratory flow-volume (MEFV) curves similar to those obtained in most dogs and in some humans could be produced: a peak followed by a gently sloping plateau ending in a knee, where flow suddenly fell to a much smaller value approaching zero rather slowly over the last 25 to 50% of the expired vital capacity.
  • (17) As predicted by their static response, the activity of these receptors decreases during inspiration and increases during expiration and therefore it is out of phase with the discharge of the other airway stretch receptors.
  • (18) "Unless and until vulnerabilities are addressed effectively, and all people enjoy the opportunity to share in human development progress, development advances will be neither equitable nor sustainable," Clark said, noting that protection for vulnerable people should be included in the sustainable development goals, which will replace the millennium development goals when they expire next year.
  • (19) Expired gas was collected during exercise to measure oxygen consumption.
  • (20) Expired carbon dioxide (CO2), the most sensitive index, displayed an inverted U-shaped concentration-effect curve, which increased at 100 ppm (the TLV) and decreased at 4500 ppm toluene.