What's the difference between isthmus and straight?

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.

Straight


Definition:

  • (a.) A variant of Strait, a.
  • (superl.) Right, in a mathematical sense; passing from one point to another by the nearest course; direct; not deviating or crooked; as, a straight line or course; a straight piece of timber.
  • (superl.) Approximately straight; not much curved; as, straight ribs are such as pass from the base of a leaf to the apex, with a small curve.
  • (superl.) Composed of cards which constitute a regular sequence, as the ace, king, queen, jack, and ten-spot; as, a straight hand; a straight flush.
  • (superl.) Conforming to justice and rectitude; not deviating from truth or fairness; upright; as, straight dealing.
  • (superl.) Unmixed; undiluted; as, to take liquor straight.
  • (superl.) Making no exceptions or deviations in one's support of the organization and candidates of a political party; as, a straight Republican; a straight Democrat; also, containing the names of all the regularly nominated candidates of a party and no others; as, a straight ballot.
  • (adv.) In a straight manner; directly; rightly; forthwith; immediately; as, the arrow went straight to the mark.
  • (n.) A hand of five cards in consecutive order as to value; a sequence. When they are of one suit, it is calles straight flush.
  • (v. t.) To straighten.

Example Sentences:

  • (1) In contrast to L2 and L3 in L1 the mid gut runs down in a straight line without any looping.
  • (2) It was so difficult to keep a straight face when I was filming a sauna scene with Roy Barraclough, who played the mayor of Blackpool.
  • (3) The region of the tentorium and straight sinus can occasionally give rise to a vermiform appearance (the "AVM artifact").
  • (4) In testing the contribution of the long, curved stem to the torsional stability of uncemented prostheses by comparing it with other stems, the long, curved stem was the most stable, followed by a shorter straight stem, and a short, proximally curved stem.
  • (5) Every time I have seen him since – you stand up straight and it’s: ‘Hi, boss.
  • (6) Both sets of experiments revealed a straight linear relationship between the dose of VC and the % foci area induced.
  • (7) Despite a few initial concerns about the technology and how it would fit into their daily routines, staff really see the benefit and find it rewarding to see the messages and be able to respond straight away.
  • (8) The results may be due to stronger social reinstatement tendencies in females than in males: Higher levels of social motivation facilitate behavioral performance when the task is easy (straight runway) and inhibit it when the task is difficult (V-shaped runway).
  • (9) The contrast threshold for line orientation was studied using two lines with the same orientation under three different experimental conditions (series): (1) the two lines were presented in the same part of the receptive field; (2) they were along the same straight line and separated by 14' visual angle; (3) they were parallel and displaced at 4' of visual angle.
  • (10) Only eye position proved statistically significant; straight-ahead eye position induced more bias than did fixation of the visual stimulus.
  • (11) Ultrastructural examination of a tumor with a typical cribriform pattern showed spaces of two types; the more frequent type was bounded by cells with straight plasma membranes and contained filamentous and basement-membrane-like material, and the less frequent type was surrounded by cells with numerous microvilli and contained nonfilamentous homogeneous material.
  • (12) The first problem facing Calderdale is sheep-rustling Happy Valley – filmed around Hebden Bridge, with its beautiful stone houses straight off the pages of the Guardian’s Lets Move To – may be filled with rolling hills and verdant pastures, but the reality of rural issues are harsh.
  • (13) Atlético Madrid maintained their faint hopes of catching Barcelona by recording a fourth straight league win, comfortably beating Deportivo la Coruña 3-0 with goals by the midfielder Saúl Ñíguez, top scorer Antoine Griezmann and Argentinian forward Ángel Correa.
  • (14) The chemotactic receptor-transducer proteins of Escherichia coli are responsible for directing the swimming behavior of cells by signaling for either straight swimming or tumbling in response to chemostimuli.
  • (15) These observations suggest that the inner dynein arms in Chlamydomonas axonemes are aligned not in a single straight row, but in a staggered row or two discrete rows.
  • (16) Following a run which included eight straight draws in the Premier League and a 3-0 defeat at Tottenham last Wednesday, Mubarak had reached the conclusion that Hughes and his coaching staff were not realising the potential of the players City had assembled.
  • (17) When plotted against [Ca]o on a double log scale, the above relation yielded a straight line with a slope of 1.0.
  • (18) The torque versus rotation curves can be divided into two straight regions and two transition zones.
  • (19) Its middle, straight portion (between 2.30 and 3.30 microns sarcomere spacings) extrapolated to zero tension at 3.49 microns sarcomere length.
  • (20) New observations include: (1) In 15 nm cross sections that show single 14.5 nm levels: (a) The flared X structure characteristic of rigor is replaced by a straight-X figure in which the crossbridge density is aligned along the myosin-actin plane, rather than skewed across it as in rigor.