What's the difference between border and isthmus?

Border


Definition:

  • (n.) The outer part or edge of anything, as of a garment, a garden, etc.; margin; verge; brink.
  • (n.) A boundary; a frontier of a state or of the settled part of a country; a frontier district.
  • (n.) A strip or stripe arranged along or near the edge of something, as an ornament or finish.
  • (n.) A narrow flower bed.
  • (v. i.) To touch at the edge or boundary; to be contiguous or adjacent; -- with on or upon as, Connecticut borders on Massachusetts.
  • (v. i.) To approach; to come near to; to verge.
  • (v. t.) To make a border for; to furnish with a border, as for ornament; as, to border a garment or a garden.
  • (v. t.) To be, or to have, contiguous to; to touch, or be touched, as by a border; to be, or to have, near the limits or boundary; as, the region borders a forest, or is bordered on the north by a forest.
  • (v. t.) To confine within bounds; to limit.

Example Sentences:

  • (1) Unfortunately, due to confidentiality clauses that have been imposed on us by the Department of Immigration and Border Protection, we are unable to provide our full names and … titles … However, we believe the evidence that will be submitted will validate the statements that we are making in this submission.” The submission detailed specific allegations – including names and dates – of sexual abuse of child detainees, violence and bullying of children, suicide attempts by children and medical neglect.
  • (2) He is also the foremost theorist of the Tijuana-San Diego border in terms of what happens when the urban culture of the developing world collides with that of the developed world.
  • (3) These results indicate that both the renal brush-border and basolateral membranes possess the Na(+)-dependent dicarboxylate transport system with very similar properties but with different substrate affinity and transport capacity.
  • (4) A full-scale war is unlikely but there is clear concern in Seoul about the more realistic threat of a small-scale attack on the South Korean military or a group of islands near the countries' disputed maritime border in the Yellow Sea.
  • (5) A tall young Border Police officer stopped me, his rifle cradled in his arms.
  • (6) The patient, a 12 year-old boy, showed a soft white yellowish mycotic excrescence with clear borders which had followed the introduction of a small piece of straw into the cornea.
  • (7) Nearly four months into the conflict, rebels control large parts of eastern Libya , the coastal city of Misrata, and a string of towns in the western mountains, near the border with Tunisia.
  • (8) Results of detailed studies on tissue reactions to Cysticercus bovis in the heart of cattle, together with a comparison of findings in animals with spontaneous and experimental infection, and an evaluation of tissue reactions in relation to the location, morphology and morphogenesis of C. bovis provided evidence for the fact that in general, the response of the heart to the presence of C. bovis was an inflammatory reaction characterized by the origin of a pseudoepithelial border and a zone of granulation tissue.
  • (9) Formation of the functional contour plaster bandage within the limits of the foot along the border of the fissure of the ankle joint with preservation of the contours of the ankles 4-8 weeks after the treatment was started in accordance with the severity of the fractures of the ankles in 95 patients both without (6) and with (89) dislocation of the bone fragments allowed to achieve the bone consolidation of the ankle fragments with recovery of the supportive ability of the extremity in 85 (89.5%) of the patients, after 6-8 weeks (7.2%) in the patients without displacement and after 10-13 weeks (11.3%) with displacement of the bone fragments of the ankles.
  • (10) However, in the normal and border zones of the verapamil group the mitochondria are smaller when compared with the respective zones in the two other groups, but increases relatively more in size in the border and ischaemic zones.
  • (11) But when, less than two weeks out from the election, voters were asked to name the issues most important to them in the campaign, they nominated unemployment, inflation and economic management, rather than immigration and border control.
  • (12) Comparison of germline and translocation clones demonstrated that breakage of chromosome 1 had occurred at the border of a tandem repeat of Alu sequences.
  • (13) Subcortical leukomalacia occurs in this triangle as well as in border zones between the major cerebral arteries.
  • (14) The cells are predominantly monopolar, tightly packed, and are flattened at the outer border of the ring.
  • (15) Thus, multiparae had very thick border zones composed predominantly of large nodules and, additionally, of vacuolated cells and fibrous tissue.
  • (16) Local and international media and watchdog organisations such as the World Association of Newspapers , Committee to Protect Journalists and Reporters Without Borders have issued statements strongly condemning the prison sentence.
  • (17) All inhibitors had no effect on L-Ala uptake into brush-border membrane vesicles in presence of Na+ gradient.
  • (18) Most of the subjects' mandibular movements did not improve to the point of making reproducible border movements on a pantograph.
  • (19) These changes were accomplished by an increase in sagittal condylar growth and by bone resorption at the posterior part of the mandibular lower border.
  • (20) But no one was sure, and in this information vacuum the virus reached nearby towns and crossed borders.

Isthmus


Definition:

  • (n.) A neck or narrow slip of land by which two continents are connected, or by which a peninsula is united to the mainland; as, the Isthmus of Panama; the Isthmus of Suez, etc.

Example Sentences:

  • (1) To explore relations between preload, afterload, and stroke volume (SV) in the fetal left ventricle, we instrumented 126-129 days gestation fetal lambs with ascending aortic electromagnetic flow transducers, vascular catheters, and inflatable occluders around the aortic isthmus (n = 8) or descending aorta (n = 7).
  • (2) Resection of the peritracheal segments of the thyroid gland with the isthmus extirpation was performed.
  • (3) Detection of PGE2-specific binding in the oviductal isthmus on Day 2 and Day 5 indicates that the oviduct is responsive to PGE2 when it is capable of transporting equine embryos.
  • (4) In control tissues there was a significant variation in vascularity according to geographic location in the following order of magnitude: fundus greater than corpus greater than cornua greater than isthmus.
  • (5) Inaccurate IFS diagnosis of depth of myometrial invasion can occur when tumor involves the uterine isthmus or cornua and when tumor invades areas of adenomyosis.
  • (6) Marginal overhang was the prevailing type of failure (17%), recurrent caries occurred at 12% of the restorations, unacceptable proximal contact at 10%, unacceptable marginal adaptation at 8% and isthmus fractures at 2%.
  • (7) Toral neurons project to the secondary visceral nucleus of the isthmus and to the central and anterior thalamic nuclei of the dorsal thalamus.
  • (8) However, of the four children with a residual gradient greater than 20 mm Hg, two were the youngest in the study, and in two the aorta was inadvertently dilated with a balloon 4 to 5 mm smaller than the isthmus diameter.
  • (9) Ventilatory conditions, or the existence of soft tissue density, were evaluated by HRCT at such locations as the supratubal recess, mesotympanum, anterior and posterior parts of the tympanic isthmus, epitympanum, and mastoid antrum.
  • (10) Ganglion cells innervating the posterior canal were located in the caudal part of the inferior ganglion, while those cells innervating the saccule were located in the rostral part of the inferior ganglion, scattered in the superior ganglion, and concentrated at the junction (isthmus) between the two.
  • (11) Examination of the characteristics of the EP reveals that there is a significantly higher proportion located in the isthmus in the group of patients without an IUD, whereas the fimbrial location is more frequent among patients with an IUD.
  • (12) In addition, labelled cells were found in the torus semicircularis, in and around the nucleus isthmus pars parvocellularis.
  • (13) Ova were consistently recovered from the ampulla 24 hours after ovulation, from both the ampulla and isthmus at 48 hours, and from the uterus 72 hours after ovulation.
  • (14) Some metric parameters (height and width, sizes of the isthmus the an angle between the corns) are given with the purpose of greater precision of roentgenological interpretation.
  • (15) A biopsy was taken from the mucosa of the intramural part, isthmus, and ampulla in each tube.
  • (16) End diastolic flow velocity just beneath the aortic isthmus was measured within 72 hours of cardiac catheterisation by pulsed Doppler echocardiography in 30 controls and 61 patients with aortic regurgitation.
  • (17) Microsurgical anastomosis restored electrical continuity between anastomosed segments in both the ampulla and isthmus.
  • (18) One of them was located at mid-descending thoracic aorta and another was aortic isthmus.
  • (19) Coitus induced ovulation produced a characteristic oviductal motility pattern consisting of (i) initial relaxation of both isthmus and ampulla (4-12 h) followed by (ii) increased isthmic motility in the face of a continually relaxed ampulla (36-48 h), and finally phase (iii) leading to restitution of both ampullary and isthmic motility to the base-line at 72-96 h. Estimation of ova positions indicated the presence of fertilized eggs in the ampulla and ampullo-isthmic junction at 48 h and the ova could come to the end of the isthmic segment only at 72 h or after.
  • (20) By their nature, intracoronal restorations provide resistance to nonaxial dislodging forces, and features such as the occlusal isthmus and proximal boxes and grooves will obviously also increase this resistance.