What's the difference between distend and extend?

Distend


Definition:

  • (v. t.) To extend in some one direction; to lengthen out; to stretch.
  • (v. t.) To stretch out or extend in all directions; to dilate; to enlarge, as by elasticity of parts; to inflate so as to produce tension; to cause to swell; as, to distend a bladder, the stomach, etc.
  • (v. i.) To become expanded or inflated; to swell.

Example Sentences:

  • (1) The combination of an over-distended uterus caused by a multiple-fetus pregnancy with therapeutic bed-rest may cause mechanical ileus.
  • (2) The epididymis appeared distended but without any visible sperms.
  • (3) In a noncontracting in vitro preparation of combined right and left atria we demonstrated by electron microscopy that, at 37 degrees C, transition from zero pressure to a physiological distending pressure of 5.1 mm Hg rapidly rendered atrial endocardial endothelium permeable to the macromolecular probes horseradish peroxidase (HRP; M(r), approximately 40,000) and wheat germ agglutinin-HRP (M(r), approximately 70,000); each probe was introduced at the atrial cavitary endocardial surface.
  • (4) However, separation of the capsule from the bony glenoid can be detected if a joint effusion is present to adequately distend the joint.
  • (5) The surgical treatment was ligation of the distended vein immediately distal to the fistula in the hand, and fistula function was preserved.
  • (6) Eight 'normal' gallbladders and six distended gallbladders from patients with carcinomatous obstruction of the common bile duct were examined.
  • (7) Immediately after the perforation, the patient entered into vascular collapse and respiratory distress, with a distended abdomen.
  • (8) As the mosquito ingests blood, sensory information from the distending abdomen reaches the mid gut via the nerve cord, brain and stomatogastric system.
  • (9) Chains of low-amplitude contractions (repeated small deviations from base line) were detected before parturition was induced, and these were more common at distended parts of the uterus.
  • (10) The rate of acquisition increased as a function of the distending pressure.
  • (11) Contracted and distended bladders incubated in 0.01 M sodium bicarbonate were compared to identical preparations experimentally incubated in 5 mM thioglycolic acid.
  • (12) Amplitude, duration and magnitude (as measured by planimetry) of anal relaxation elicited by rectal distensions were related to rectal distending volume (P less than 0.001).
  • (13) The periosteal fibroblasts of OI35 contained grossly distended rough endoplasmic reticulum consistent with the 53% reduction in collagen secretion by cultured dermal fibroblasts.
  • (14) Many virus particles were observed within distended cisternae of the endoplasmic reticulum 22 h p.i., and matrices of viroplasm were found close to developing virus particles.
  • (15) In orbital surgery, distended and thinned extraocular muscles were precisely localized and preserved anatomically and functionally.
  • (16) An enlarged cervical lymph node contained many abnormal plasma cells, which were distended with immunoglobulin; this material appeared to be released into lymph spaces when the cells burst.
  • (17) Among 52 unit discharges observed, 36 (69.2%) showed that electro-acupuncturing "Zusanli" point abolished the inhibitory reaction induced by distending stomach.
  • (18) (n = 18) in the presence of a distended bladder and 7.0 cm.
  • (19) The pathogenesis involves the release of kinins, the triggering of neurogen reflex mechanisms by distending the jejunum, the massive flow of fluid in jejunal lumen, the loss of the reservoir function of the stomach, and, possibly, the pathologic release of gastrointestinal hormones.
  • (20) A controlled study is in progress to delineate the optimum distending airway pressures at specific inspired oxygen concentrations in order to reduce the incidence of alveolar rupture to a minimum.

Extend


Definition:

  • (v. t.) To stretch out; to prolong in space; to carry forward or continue in length; as, to extend a line in surveying; to extend a cord across the street.
  • (v. t.) To enlarge, as a surface or volume; to expand; to spread; to amplify; as, to extend metal plates by hammering or rolling them.
  • (v. t.) To enlarge; to widen; to carry out further; as, to extend the capacities, the sphere of usefulness, or commerce; to extend power or influence; to continue, as time; to lengthen; to prolong; as, to extend the time of payment or a season of trail.
  • (v. t.) To hold out or reach forth, as the arm or hand.
  • (v. t.) To bestow; to offer; to impart; to apply; as, to extend sympathy to the suffering.
  • (v. t.) To increase in quantity by weakening or adulterating additions; as, to extend liquors.
  • (v. t.) To value, as lands taken by a writ of extent in satisfaction of a debt; to assign by writ of extent.

Example Sentences:

  • (1) Therefore, these findings may extend the use of platelets as neuronal models.
  • (2) 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.
  • (3) Limited biopsic retroperitoneal lymphnode dissection subsequently extended following the result of the frozen section histology.
  • (4) Asthma is probably the commonest chronic disease in the United Kingdom, and its attendant morbidity extends outside the possible scope of the hospital sector.
  • (5) Doppler sample volume was extended to about 1.2 X 1.6 X 4.0 mm.
  • (6) Delta roc, which extends from base pairs 41883 to 43825, overlaps the nin5 deletion, which extend from base pairs 40501 to 43306.
  • (7) TNBS reacts to an extremely small extend with hemoglobin over the concentration range 0.4 to 4 mM whereas FDNB reacts with hemoglobin to a very large extent (50 fold more than TNBS).
  • (8) Four cDNAs extending into the 5'-noncoding region of the human von Willebrand factor cDNA have been characterized.
  • (9) This article, a review of factors controlling vasopressin (AVP) release in pregnancy, extends our contribution to a symposium in this journal published in 1987 (vol X, pp 270-275).
  • (10) The molecule may already in its native form have an extended conformation containing either free sulfhydryl groups or small S-S loops not affecting mobility in SDS-PAGE.
  • (11) Analysis of 156 records relating to patients at the age of 15 to 85 years with extended purulent peritonitis of the surgical and gynecological genesis (the toxic phase, VI category ASA) showed that combination of programmed sanitation laparotomy and intensive antibacterial therapy performed as short-term courses before, during and after the operation with an account of the information on the nature of the microbial associations and antibioticograms was an efficient procedure in treatment of severe peritonitis.
  • (12) The IL-8 isolated from each of these cell types is a mixture of two IL-8 polypeptides, one consisting of 72 amino acids (herein called [ser-IL-8]72) and the other 77 amino acids (an N-terminal extended form herein called [ala-IL-8]77).
  • (13) The follow-up period extended over 8 years to June 1978.
  • (14) Follow-up for half of the cases operated extended up to 2 years, the longest being up to 5 years, showed that 96% of the patients were satisfied.
  • (15) Lateral upper and lower lid lysis allows the needed extended period of healing.
  • (16) But still we have to fight for health benefits, we have to jump through loops … Why doesn’t the NFL offer free healthcare for life, especially for those suffering from brain injury?” The commissioner, however, was quick to remind Davis that benefits are agreed as part of the collective bargaining process held between the league and the players’ union, and said that they had been extended during the most recent round of negotiations.
  • (17) The third patient was using an extended-wear soft contact lens for correction of residual myopia.
  • (18) The horizontal portion of the intracavernous ICA as well as the whole aspect of the aneurysm could be exposed as a result of the extended opening of the cavernous roof anterior to the posterior clinoid process.
  • (19) After an introductory note on primary preventive intervention of breast cancer during adulthood, the author defends and extends a hypothesis that relates most of the known risk factors for this disease to the development of preneoplastic lesions in the breast.
  • (20) The pineal of certain lizards possesses a finger-like projection that extends toward the parietal eye.