What's the difference between burrow and den?

Burrow


Definition:

  • (n.) An incorporated town. See 1st Borough.
  • (n.) A shelter; esp. a hole in the ground made by certain animals, as rabbits, for shelter and habitation.
  • (n.) A heap or heaps of rubbish or refuse.
  • (n.) A mound. See 3d Barrow, and Camp, n., 5.
  • (v. i.) To excavate a hole to lodge in, as in the earth; to lodge in a hole excavated in the earth, as conies or rabbits.
  • (v. i.) To lodge, or take refuge, in any deep or concealed place; to hide.

Example Sentences:

  • (1) However, a Defra report in 2005 concluded that gassing "cannot be reliably expected to kill all the animals in a complex burrow system".
  • (2) Because ammocoetes are burrowing filter feeders, this startle behavior results in rapid withdrawal of the head into the burrow.
  • (3) Building techniques are minutely reported; burrow construction simplifies defence and allows re-use by succeeding generations.
  • (4) Burrows had resigned as governor of Bank of Ireland, leaving the lender in dire straits, with big losses and mounting debt threatening its very survival.
  • (5) C.subimmaculatus was closely associated with a particular substrate and the presence of burrowing crabs.
  • (6) The latest comes from Cambridge University, where Malcolm Burrows and Gregory Sutton have found that some insects have "gears" – in principle, much like those in cars.
  • (7) What it says is that their moral code is lacking any kind of compass we can endorse,” said Sharan Burrow, the Ituc general secretary.
  • (8) A broadening and an anterior elongation of the head-foot produced a wedge to facilitate burrowing.
  • (9) Chronic exposure of nestlings to the hypercapnia and hypoxia within burrows seems to significantly alter their ventilatory response to these respiratory stimuli.
  • (10) As the silt cleared, we found ourselves on a flat plain of yellow-tinged mud, inscribed with pits, burrows and tracks by species that eke out their existence on the detritus that settles from above.
  • (11) Mycobacterium leprae is found in armadillo burrows in Louisiana, U.S.A., and ocular abrasions may be the portal of entry for these organisms in wild armadillos.
  • (12) The burrows of R. opimus were the main shelters and breeding places of the sandflies, but infection was not transmitted equally in all burrows.It was known that the distribution of sandflies within the burrows was influenced by the humidity in the different parts of the burrow and a survey showed that the highest rate of infection of gerbils occurred in the burrows in those areas with the highest subsoil moisture content.Studies of the prevalence of zoonotic cutaneous leishmaniasis among people in the settlements of the Murghab oasis showed that the years with the highest infection rate were also years with slightly higher rainfall and lower air temperatures in this area.
  • (13) I found myself skirting the wood’s perimeter, a no-go zone of the past for us, and came next to a gravel-pocked face mined by rabbits with one of the burrows crowned with the skull of an ancestor.
  • (14) C. californiensis, when placed in simulated burrow conditions, regulates the PO2 very loosely in its immediate microhabitat, using its pleopods.
  • (15) The results of our physiological analysis in the burrowing owl (Speotyto cunicularia) also reveal a tilted horopter in this terrestrial avian species.
  • (16) Chris Burrows, chairman of the Greater Manchester branch of the Police Federation, said: "We are already suffering massive cuts in the police budget.
  • (17) It is expedient to consider the relations revealed between the burrow biocenosis components in investigation of plague enzootic aspects and development of new biological insecticides for control of the infection carriers.
  • (18) The mole rat (Spalax ehrenbergi) burrows throughout its life in subterranean tunnels.
  • (19) Burrow's shortness inevitably made him the butt of a thousand jokes.
  • (20) Like many of the millions who burrowed underground to extract diamonds, gold and other minerals, Gura came a long way from home in search of a working wage.

Den


Definition:

  • (n.) A small cavern or hollow place in the side of a hill, or among rocks; esp., a cave used by a wild beast for shelter or concealment; as, a lion's den; a den of robbers.
  • (n.) A squalid place of resort; a wretched dwelling place; a haunt; as, a den of vice.
  • (n.) Any snug or close retreat where one goes to be alone.
  • (n.) A narrow glen; a ravine; a dell.
  • (v. i.) To live in, or as in, a den.

Example Sentences:

  • (1) Fractures which occur near the base of the dens have a low propensity to unite spontaneously.
  • (2) Significantly higher levels of c-myc gene expression were observed in tissues of HCC of the DEN group and in neoplastic nodules of the DEN-DES groups than in the DES and DEN-C group.
  • (3) The antibody response against flaviviruses tick-borne encephalitis (TBE), Kyasanur Forest disease (KFD), Murray Valley encephalitis (MVE), West Nile fever (WNF), Japanese B encephalitis (JE), dengue 2 (DEN-2), and yellow fever (YF) was studied in humans after administration of an inactivated TBE virus vaccine.
  • (4) ENU, in contrast with DEN, also resulted in a significant staining of nonparenchymal cells.
  • (5) A systematic study including morphologic, histologic, pathologic aspects of dens evaginatus was carried out and data were compared with those given in previous reports pertaining to dens evaginatus in other Asian countries.
  • (6) The data reflect differences in the behaviour of GR and AR in the atrophic BCLA and suggest a relative increase in sensitivity to glucocorticoids compared to androgens in the DEN muscle.
  • (7) We have now characterized in vivo Th-cell priming activity of one of these peptides (MVE 17, amino acids 356 to 376) and an analogous peptide derived from the E-glycoprotein sequence of the dengue (DEN) 2, Jamaica strain (DEN 17, amino acids 352 to 368).
  • (8) Particularly so, as Lord Denning put it "...without morality there can be no law."
  • (9) Rheumatoid arthritis, which produces anterior displacement of the atlas over the dens to more than 10 mm, neurologic symptoms, or untreatable pain must be stabilized by means of C1-C2 fusion.
  • (10) Most DEN virus strains, representing all 4 serotypes isolated from various parts of the tropics, were identical either visually of spectrophotometrically when infected cell culture fluids were used as sources of antigen.
  • (11) In the Mahale Mountains National Park of Tanzania, a group of about 33 chimpanzees were observed to surround a leopard den containing a mother and at least one cub and to drag out and kill the cub.
  • (12) A series of temperature-sensitive (ts) mutants of dengue virus type 2 (DEN-2, TH-36 isolate) were induced by treatment with 5-azacytidine.
  • (13) produces more potential foci of tumour growth than in the normal liver and (2) that the repeated doses of CCl4 leading to repeated phases of regeneration, after the dose of DEN, provide a promoting stimulus.
  • (14) The shelf life of the solid phase presensitized with monoclonal antibodies was 4 mth at -15 degrees C. DEN prototype viruses were still identified after storage at -15 degrees C for 1 yr or at room temperature for 1 mth.
  • (15) O6EG levels in DNA of Clara cell-enriched populations were found to be higher than O6EG levels in DNA of alveolar type II cell-enriched populations and macrophages following acute DEN treatment.
  • (16) The fiber orientation is dependent on the height of dens axis, mostly in the cranial caudal direction.
  • (17) At earlier stages of the neoplastic process (11 or 16 weeks after the second DEN dose), most adenomas were well-differentiated lesions with no atypia or focal grade 1 or 2 atypia.
  • (18) This technique is best applied in nontraumatic cases in which the dens is not seen clearly on the "open mouth view".
  • (19) This treatment raised the number of adenosine-5'-triphosphatase (ATPase)-deficient foci up to 5-fold, that of gamma-glutamyltranspeptidase (GGTase) and glycogen-positive foci 13- and 10-fold, respectively, after 12 weeks; 25 mg caused no effect compared to DEN-treated controls.
  • (20) The system consists of a) single carcinogenic dose of diethylnitrosamine (DEN), b) short-term dietary exposure to 2-acetylaminofluorene (2-AAF) sufficient to suppress growth of virtually all normal hepatocytes, and c) partial hepatectomy (PH) to actuate rapid growth of DEN-altered hepatocytes not suppressed by 2-AAF.

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