(a.) Of or pertaining to longitude or length; as, longitudinal distance.
(a.) Extending in length; in the direction of the length; running lengthwise, as distinguished from transverse; as, the longitudinal diameter of a body.
(n.) A railway sleeper lying parallel with the rail.
Example Sentences:
(1) The inhibition was not seen in longitudinal muscle without myenteric plexus.
(2) For consistent identification of the normal pancreas, preliminary longitudinal scanning at, or near, the mid-line and subsequent oblique scanning in the long axis are necessary prerequisites in delineating the anatomic outline of the pancreas.
(3) This longitudinal study compares the accuracy of self-assessments of 22 students across four examinations during their first 2 years of medical school.
(4) Bone age has been analyzed mixed-longitudinally in a subsample of 370 patients (660 observations) and showed a slight retardation at all ages between 6 and 13 yr. Development of pubic hair of 91 subjects analyzed cross-sectionally was definitely retarded when compared to adequate reference data.
(5) Normally, the small longitudinal (arterioles to venules) gradient of microvascular and perimicrovascular pressures is not a major concern, but in nonuniform disease processes, such as microembolism, longitudinal inhomogeneity, and parallel inhomogeneity are dominant.
(6) In the longitudinal direction, however, spatial resolution of under slice thickness could not be obtained.
(7) A longitudinal study of iron deficiency and of psychomotor development was carried out in 147 children followed between the ages of 10 months and 4 years in 2 well-baby out-patient clinics in Paris area.
(8) Based on the findings of our recent longitudinal study on the abnormalities of the dentition in cleidocranial dysplasia (CCD), a hypothesis has been proposed, which makes it possible to predict time of onset of formation of supernumerary teeth and their location in the jaws.
(9) There were 407 participants enrolled in the Baltimore Longitudinal Study of Aging.
(10) Numerous slender sarcotubules, originating from the A-band side terminal cisternae, extend obliquely or longitudinally and form oval or irregular shaped networks of various sizes in front of the A-band, then become continuous with the tiny mesh (fenestrated collar) in front of the H-band.
(11) Recordings were made from secondary vestibular axons in the medial longitudinal fasciculus (MLF) of barbiturate-anesthetized squirrel monkeys.
(12) Two other patients were subjected to a longitudinal follow-up.
(13) A peculiar emphasis is given to the microarchitecture and functional significance of longitudinal muscle columns as a prevalent structural component of branch pads.
(14) The relationship between intraluminal pressure and volume was determined in the cervical tracheal segments positioned firstly under normal longitudinal tension and secondly in hyperextension.
(15) Steep longitudinal and transverse gradients of glycogen are known to exist in the organ of Corti of the guinea pig, with preferential accumulation in the outer hair cells of the apical turns.
(16) To perform this technique, it is necessary to expose only a longitudinal segment on the anterior aspect of the aneurysm to permit a ventriculotomy parallel to the anterior descending coronary artery 4-5 cm away.
(17) The effect of p-nitrophenylphosphate (p-NPP) on the release of acetylcholine evoked by drugs and ionic environments known to inhibit Na+, K+-ATPase was studied in isolated cortical slices of rat brain and longitudinal muscle strip of guinea-pig ileum.
(18) A patient with hypertensive heart disease, in whom atrial premature beats with a decrease in the amplitude and widening of his bundle potential, prolongation of the H-V interval, and right bundle branch block pattern suggested intrahisian longitudinal dissociation, is described.
(19) 'Vertical' sections are plane sections longitudinal to a fixed (but arbitrary) axial direction.
(20) In 10th district of Budapest a longitudinal, epidemiological examination was started in 1975 with the aim of analysis of the objective factors influencing the population screening and determination of possibilities of screening effectiveness.
Transverse
Definition:
(a.) Lying or being across, or in a crosswise direction; athwart; -- often opposed to longitudinal.
(n.) Anything that is transverse or athwart.
(n.) The longer, or transverse, axis of an ellipse.
(v. t.) To overturn; to change.
(v. t.) To change from prose into verse, or from verse into prose.
Example Sentences:
(1) At day 7 MD occupy about 14% area of posterior retina in transverse sections in Campbell rats versus 7% in normal animals.
(2) The myocardium was assumed to be composed of a nonlinear viscoelastic, inhomogeneous, anisotropic (transversely isotropic) and incompressible material operating under adiabatic and isothermal conditions.
(3) The relapse was 80% in the sagittal plane, 70% in the transverse plane, and 12% in the vertical plane.
(4) The perinatal development of the levator ani (LA) muscle in male and female rats was investigated by measuring the total number of muscle units (MU) (i.e., mononucleate cells, clustered or independent myotubes, and muscle fibers) in transverse semithin sections of the entire muscle and the MU cross-sectional area in 22-day-old fetuses (F22), 1-day-old (D1 = day of birth), 3-day-old (D3), and 6-day-old (D6) newborns.
(5) The operational meaning of all the resulting theorems is that when any of them appear to be refuted experimentally, the presence of more than one parallel transport pathway (that is, of membrane heterogeneity transverse to the direction of transport) can be inferred and analyzed.
(6) In order to study cerebrospinal fluid (CSF) absorption across the dural sinus wall, the effect of CSF pressure (recorded from the cisterna magna) on dural venous pressure (recorded from the transverse sinus) was investigated in groups of rats at 2, 10, 20, and 31 days after birth and in adulthood.
(7) An A-to-T transversion, which substitutes asparagine16 with isoleucine (N16I), was identified.
(8) Subsequently, due to the rotation of the original polar axis in one hemisphere, the third cleavage plane through one half of the egg is transverse to the third cleavage plane through the other half.
(9) 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.
(10) Steep longitudinal and transverse gradients of glycogen are known to exist in the organ of Corti of the guinea pig, with preferential accumulation in the outer hair cells of the apical turns.
(11) Cytochrome oxidase histochemistry revealed patchy patterns of the enzyme activity in transverse sections through the caudal part of the ventral subnucleus of the principal sensory trigeminal nucleus, interpolar spinal trigeminal nucleus, and layer IV of the caudal spinal trigeminal nucleus in the cat.
(12) The gastrocolic response of monkeys to feeding is most prominent in the right and transverse colon in both duration and frequency of contractions.
(13) Hypertension consequent upon increasing brain edema, and intercerebral pressure gradient which is the cause of transverse dislocation diminish with the use of a method which provides for hydrodynamic equilibrium.
(14) The backbone dynamics of Ca(2+)-saturated recombinant Drosophila calmodulin has been studied by 15N longitudinal and transverse relaxation experiments, combined with 15N(1H) NOE measurements.
(15) It should also be contemplated, as an alternative to elective cesarean section for a transverse lie or breech presentation of the second fetus.
(16) In a third, a GC----TA transversion has created a BstEII (GGTNACC) site.
(17) We found that the Na-Ca exchanger is distributed throughout all membranes in contact with the extracellular space, including the sarcolemma, the transverse tubules (T-tubules), and the intercalated disks.
(18) In the rotatory and transverse gallop (examples of the in-phase form of locomotion) the coupling is asymmetrical: on one side it is comparable to pacing (forelimb flexion precedes hindlimb extension), and on the other side to trotting (forelimb flexion follows extension).
(19) The isointensity bands in the ischemic area on T2-weighted images showed the spared transverse fibers originating from the contralateral pontine nuclei, and this may explain the cause of the unilateral ataxia.
(20) Transverse imaging is important when comparison is made with CT.