What's the difference between extant and extend?

Extant


Definition:

  • (a.) Standing out or above any surface; protruded.
  • (a.) Still existing; not destroyed or lost; outstanding.
  • (a.) Publicly known; conspicuous.

Example Sentences:

  • (1) There is extant a population of subjects who have average or better than average interpretive reading skills as measured by standardized tests but who read slowly and inefficiently.
  • (2) For example, most large extant lizards are herbivorous.
  • (3) Whereas all extant vertical clingers and leapers share certain femoral traits (i.e., long femur, proximally restricted trochanters, ventrally raised patellar articular surface), Galagidae and Tarsiidae share features of the proximal femur (i.e., cylindrical head, large posterior expansion of articular surface onto the neck) that clearly distinguish them from the specialized leapers of the Malagasy Republic (Indriidae and Lepilemur).
  • (4) This method provides an improvement in sensitivity over extant spectrophotometric methods and circumvents limitations of assays using radioactive pyruvate.
  • (5) His data also indicate that the supraorbital region in extant humans cannot be accurately modeled as a beam.
  • (6) On the basis of morphophysiologic relationships in extant populations, it can be assumed that mean annual osteonal creation frequency, and mean annual Haversian bone formation rate can be reliably determined in extinct populations.
  • (7) The older listener performance measures were compared with extant data from 20 normally hearing young adult listeners (mean age = 22 years).
  • (8) These findings suggest that thyroxine-potentiated mitogenesis promotes greater numbers of new motor neurons to the LMC while, simultaneously, target removal delays the loss of extant cells.
  • (9) Jeletzkya douglassae Johnson and Richardson is described as the oldest known representative of an extant squid group.
  • (10) Photoperiod-mediated differential responsiveness to 6-MBOA indicates that female house mice can discriminate long from short days, and these results suggest that the physiological mechanisms for photoperiodic responsiveness remain extant in this species previously characterized as nonphotperiodic.
  • (11) We derive twelve postulates, eight relating to the earliest vertebrate skeletogenic and odontogenic tissues and four relating to the development of these tissues in extant vertebrates and extrapolate the developmental data back to the evolutionary origin of vertebrate skeletogenic and odontogenic tissues.
  • (12) The numbers and local sequence environments of the two types of substitution mutation plus additions and deletions have been obtained directly in this study from differences between a large number of extant primate gene and pseudogene sequences.
  • (13) BP), and both resemble humans most closely among extant hominoids.
  • (14) The count of publications on geometric-optical illusions and the bibliography of extant books on the topic are brought up to date.
  • (15) Molecular modelling studies could not identify structural features of the aphidicolin-dCTP "overlap" that is unique to dCTP, relative to the remaining dNTPs, and that is consistent with the extant structure-activity data.
  • (16) The digital unit is compatible with all the extant radiographic equipment in our department and automatically supplies two images, the first one resembling a conventional radiograph, the second one characterized by a broader exposure range that allows a clear visualization of soft tissues.
  • (17) These data come from extant hosts and from paleobiogeography.
  • (18) Similarly, we have detected Amerindian genes, such as LDHB--Gua and TFchi, in proportions that relate this population with the extant Ngawbé (Guaymí).
  • (19) The central nervous system location of neurochemicals that are widely distributed among extant animals may give us clues to changes that occurred in the brains of these animals during evolution.
  • (20) Today all patients are alive and 7 present no recurrences of HCC on US and CT scans; the follow-up period was 18 months for 3 patients and 12, 9, 6, and 3 months for the extant 4 patients, respectively.

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.