(n.) A small constellation north of Aquila; the Arrow.
(n.) The keystone of an arch.
(n.) The distance from a point in a curve to the chord; also, the versed sine of an arc; -- so called from its resemblance to an arrow resting on the bow and string.
(n.) The larger of the two otoliths, or ear bones, found in most fishes.
(n.) A genus of transparent, free-swimming marine worms having lateral and caudal fins, and capable of swimming rapidly. It is the type of the class Chaetognatha.
Example Sentences:
(1) In addition, we report a new type of photoreceptive cell in mesopelagic Sagitta zetesios, in which two receptoral processes emerge from single cells, in contrast to one in all the other species of Sagitta.
(2) The presumed photoreceptive region of the arrow-worms of the species Sagitta crassa and Spadella schizoptera consists of perforated lamellae which are unique as the photoreceptive structure.
(3) The sagittae of tire- and barrel-form toric surfaces differ off the principal meridians, as is shown by a numerical example.
(4) The exact equation for sagitta of spherical surfaces is generalized to toric surfaces which include spherical and cylindrical surfaces as special cases.
(5) The experience gathered in the correction of sagittal mandibular over- and under-development allows to make the following conclusions:--In the choice of osteotomy it is necessary that careful consideration be given not only to the proportions of the body and ramus of the mandible, but also to the angular interrelationships of mandibular bones.--Osteotomies in the body of the mandible are indicated especially in those cases where it is only necessary for parallel shifts to be made in the sagittal plane.--Osteotomies performed in the region of the angle of the mandible and the ramus of the mandible (Obwegeser-Dal Pont) enable both longitudinal compensation or adjustment in the sagitta.
(6) Generalized equations are derived for sagitta and lens thickness for surfaces of any form.
(7) The value of the second fundamental form is approximately double the sagitta.
(8) The gerbils' fleas are more abundant on D. sagitta than on the other species.
(9) Under study was the histological structure of the adrenal of the gopher Spermophilopsis leptodactylus L., jerboa Dipus sagitta Pall.
(10) A survey of the eye structure in 10 species of Sagitta (phylum Chaetognatha) which differ in habitat was carried out: 5 epipelagic, 4 mesopelagic and 1 bathypelagic species.
(11) A general routine exists for estimating dioptric power from any number of measurements of sagitta, lens thickness, meridional curvature or power, and prismatic effect.
(12) A method published elsewhere for estimating dioptric power from meridional measurements is generalized here to allow for measurements of sagitta, lens thickness, and prismatic effect as well.
(13) The histology of the Chaetognath's trunk is largely based upon works of Hertwig (1880) and Burfield (1927) and is revised here essentially on ultrastructural basis, in a study on Sagitta setosa.
(14) The existence of a visual pigment in this region was demonstrated by a histofluorescent technique using Spadella schizoptera, whose presumed photoreceptive region was much larger than in Sagitta crassa.
(15) 2) From the hemodynamic change, the progression of rapid increase of cerebral blood volume with increase of blood volume in the superior sagitta sinus during cerebral vasoparesis under intracranial hypertension is presumed.
(16) In four species, the sagitta exhibited a multifluted anterior part and a tapered posterior part; in Corydoras aeneus, however, the fluted part was absent, and a vertical component extended dorsally to terminate near the opening of the transverse canal.
Sagittal
Definition:
(a.) Of or pertaining to an arrow; resembling an arrow; furnished with an arrowlike appendage.
(a.) Of or pertaining to the sagittal suture; in the region of the sagittal suture; rabdoidal; as, the sagittal furrow, or groove, on the inner surface of the roof of the skull.
(a.) In the mesial plane; mesial; as, a sagittal section of an animal.
Example Sentences:
(1) The relapse was 80% in the sagittal plane, 70% in the transverse plane, and 12% in the vertical plane.
(2) The normal anatomical position of the point of junction of the superficial cerebral veins with the superior sagittal and transverse sinuses of the rat was studied with an analytical mathematical method.
(3) These changes were accomplished by an increase in sagittal condylar growth and by bone resorption at the posterior part of the mandibular lower border.
(4) At the end of treatment the sagittal jaw relationship was significantly improved.
(5) The organization of the afferent and efferent connections of the sagittal Zones A and B of the cerebellar cortex of the rat have been studied using wheat-germ agglutinin conjugated to horseradish peroxidase as a tracer.
(6) The symptoms were thought to be due to transient impairment of blood flow in the superior sagittal sinus.
(7) Study 1 assessed the effects of roentgenogram quality, raters, and seven measurement methods on the consistency and accuracy of evaluating translations in the sagittal plane.
(8) Correlation with high-resolution computed tomography in two patients indicated that this opacity represented a sagittal orientation of the anterior minor fissure, with resultant inferomedial curving of the right upper lobe of the lung along the right border of the heart.
(9) We conclude that during acute moderate hypoxemia reduction in CVR can occur independently from increases in brain ECF, cisternal CSF, and arterial and sagittal venous blood [H+] and PCO2.
(10) Considerable spontaneous correction of deformity can be expected in the younger child (under age 10 years), but one should be aware that sagittal plane and rotational malalignment of the metatarsal heads may cause significant problems.
(11) The malformations over the surface drain into the superior sagittal sinus.
(12) Changes in cerebral oxygen consumption were obtained from mean blood flow values of coronal slices and the cerebral arteriovenous (sagittal sinus) oxygen content difference.
(13) ), a new cyclic AMP phosphodiesterase inhibitor, increased femoral, renal, coronary, carotid, vertebral and sagittal blood flows in anesthetized dogs.
(14) Sagittal images were produced with the transducer's face directed craniad, placed parallel to the left lateral abdominal wall, and pushed under the costal arch.
(15) Variations in scapular position induced by patient positioning change the relationship of the planes to the shoulder anatomy and make reproducibility of sagittal and coronal planes difficult.
(16) All other movements in the frontal, horizontal, and sagittal plane can be disregarded or are the result of this movement.
(17) The sagittal distribution of N18 was studied in a patient with a thalamic lesion and an oblique distribution with the maximum region between Cz and nasion was demonstrated.
(18) Spin echo sequences were performed in the coronal and sagittal planes at 0, 24, 48, and 72 h after intra-articular injection of papain to obtain T1, proton density, and T2-weighted images.
(19) We describe a 42-year-old woman who developed superior sagittal and left transverse sinus thrombosis associated with prolonged epsilon-aminocaproic acid therapy for menorrhagia.
(20) Twenty-three adult female rhesus monkeys underwent advancement of the mandible by the sagittal split ramus osteotomy.