What's the difference between defecation and excretion?

Defecation


Definition:

  • (n.) The act of separating from impurities, as lees or dregs; purification.
  • (n.) The act or process of voiding excrement.

Example Sentences:

  • (1) Stool weights, defecation frequencies, and transit times in this group are much closer to those of westernized whites than to rural blacks.
  • (2) Some 300 million women and girls are forced to defecate outside, exposed not only to the risks of disease and bacterial infection, but also harassment and assault by men.
  • (3) Giant migrating contractions associated with defecation were initiated by the highest dose of vasopressin.
  • (4) Gastrointestinal transit time, frequency of defecation, stool weight, and stool consistency were studied in 12 subjects who were each given fiber supplements containing wheat bran, psyllium gum, a combination of wheat bran and psyllium gum, or a low-fiber control for 2 weeks.
  • (5) The authors review the literature and their personal experience about the systematic exploration of defecation disorders by anorectal manometry and colpocystodefecography.
  • (6) A corresponding improvement in handwashing practices before preparing food was noted, although no improvement was observed for defecation and waste disposal practices.
  • (7) No significant differences were noted between taurine and control groups, either before or after taurine administration or before or after the step-change in inhibition demand, with respect to defecation in the test chamber, daily fluid consumption, body weight or total responses.
  • (8) and duration of bloodmeal, defecation and first fed of each stage) had a negative influence.
  • (9) Records from 20 patients on whom defecography and electromyography were performed simultaneously because of defecation disorders were analyzed.
  • (10) In the open field PCA groups showed hypoactivity and increased defecation up to 30 days after drug administration.
  • (11) We already knew that water provision alone couldn’t break the cycle of faecal-oral disease transmission because open defecation, poor hygiene, and poorly built latrines are the main sources of faecal contamination in the environment and water, and the real reasons why diarrhoeal diseases persist despite advances in water provision.
  • (12) Capsaicin-sensitive afferents may be involved in the initiation of certain forms of reflex defecation, although capsaicin-resistant mechanisms are capable of activating the normal excretory function.
  • (13) The effect of subdiaphragmatic vagotomy on food intake and defecation was studied in guinea pigs.
  • (14) During 5 days of reflex training the rats of both strains retained a high level of defecation until the end of the test that pointed at the emotional strain unceasing in spite of the automatization of the reflex.
  • (15) Almost half of India's 1.25 billion people currently defecate in the open.
  • (16) This study shows that abnormal defecation dynamics and the severity of constipation are predictors for persistence of chronic constipation and encopresis.
  • (17) Static anal manometry has proved itself a reliable, reproducible and objective assessment of sphincter function in the investigation of disorders of defecation and continence.
  • (18) The present experiment investigated the opposite effects of synthetic alpha-MSH and Melatonin on acquisition and extinction of a passive avoidance response (PAR) and on emotionality, as indexed by defecation, in the PA box.
  • (19) Five to 10 min after the drug administration, the camels at both dosages showed lacrimation, salivation, trembling, restlessness, frequent urination and defecation, followed by diarrhea.
  • (20) The effect of eating on defecation behaviour was investigated in four 20-30 kg pigs.

Excretion


Definition:

  • (n.) The act of excreting.
  • (n.) That which is excreted; excrement.

Example Sentences:

  • (1) The urinary excretion of PGF2 alpha was not affected by atenolol.
  • (2) Correction for within-person variation in urinary excretion increased this partial correlation coefficient between intake and excretion to 0.59 (95% CI = 0.03 to 0.87).
  • (3) Increased dietary protein intake led to increased MDA per nephron, increased urinary excretion of MDA, and increased MDA per milligram protein in subtotally nephrectomized animals, and markedly increased the glutathione redox ratio.
  • (4) Irrespective of the type of arthropathy, synovial fluid dialysable hydroxyproline levels correlate with urinary hydroxyproline excretion.
  • (5) A quantitative comparison of tissue distribution and excretion of an orally administered sublethal dose of [3H]diacetoxyscirpenol (anguidine) was made in rats and mice 90 min, 24 hr, and 7 days after treatment.
  • (6) Neither the plasma prolactin level nor urinary excretion of aldosterone and ADHshowed any consistent change throughout the dive.
  • (7) Sodium intake affects K excretion, increases in intake resulting in a higher rate of K excretion.
  • (8) Approximately 90% of the patients have a lambda light chain myeloma protein and almost all patients excrete Bence-Jones protein.
  • (9) Excretion of inactive kallikrein again correlated with urine flow rate but the regression relationship between the two variables was different for water-load-induced and frusemide-induced diuresis.
  • (10) YM infused at 0.01 pmol.kg-1.min-1 did not cause any changes in urinary flow rate or Na excretion.
  • (11) The amount of water, creatinine, electrolytes, proteins, and enzymes were higher during the day (up to three fold, p always less than 0.05), while equal amounts of amino acids were excreted in the day and the night period.
  • (12) GFR, urinary pH and glucose excretion were not affected by R(-)-ibuprofen.
  • (13) Both SAA and non-SAA enhanced ammonium excretion but only non-SAA enhanced organic anion excretion, an indicator of incomplete oxidation of organic acids.
  • (14) Infusion of 1 unit of 25-HCC per hour for 6 hours induced an antiphosphaturia only when administered with 0.2 units of PTH per hour, while neither agent alone changed phosphate excretion.
  • (15) The second agent in contrast caused elevated cell and enzyme excretion, increasing throughout the period of administration.
  • (16) Additionally, cats excreted the taurine conjugate of hydratropic acid.
  • (17) A study was conducted to determine the usefulness of self-screening of blood pressure in families as part of a school health care programme, and to study the relationship between BP and sodium excretion in school children.
  • (18) Urinalysis revealed a low pH, increased ketones and bilirubin excretion, dark yellowish change in color, the appearance of "leaflet-shaped" crystals and increased red blood cells and epithelial cells in the urinary sediment, increased water intake, decreased specific gravity and decreased sodium, potassium and chloride in the urine.
  • (19) There were significant differences in the mean erythrocyte transketolase activity of the thiaminase excreting poor animals and the thiaminase free normal animals.
  • (20) Diarrhea and excretion of vibrios lasted longer in animals consuming less protein.