(n.) A small opening, perforation, or orifice; a fenestra.
Example Sentences:
(1) The complete facetectomy (36 observations) exposes the foramen well but has a little risk of destabilisation.
(2) At surgery, upon incision of the paravertebral muscle fascia, viscous pale fluid was encountered emanating from a foramen in the thoracic lamina.
(3) Progressive narrowing of the bulboventricular foramen is documented in four patients with single ventricle.
(4) CT brain scans showed an enlarged foramen magnum in the mother and daughter but magnetic resonance imaging (MRI) showed no brainstem abnormality in either.
(5) Since fractures of the foramen triosseum are usually not surgically repairable, they can be stabilized with coaptation splints.
(6) Furthermore, the long axis of the right and left atria was measured from the center of the apposed atrioventricular valve leaflets to the posterior atrial wall, and the sizes of the atrial chambers were defined using their widths at the prospective broadest points through the area of foramen ovale.
(7) The septum primum, as the valve of the foramen ovale, has been previously described as a mobile, echogenic line or dot in the left atrium.
(8) The authors described a fluoroscopic method of guiding percutaneous needle penetration of the foramen ovale.
(9) The average thickness of the corpus callosum at the level of the foramen of Monro was 6 mm in normal subjects and was reduced below 6 mm in 16 of the hydrocephalus patients.
(10) Hydrocephalus and valvular impaction of the cerebellum in the foramen magnum were demonstrated.
(11) With systole there is downward (caudal) flow of CSF in the aqueduct of Sylvius, the foramen of Magendie, the basal cisterns and the dorsal and ventral subarachnoid spaces while during diastole, upward (cranial) flow of CSF in these same structures is seen.
(12) The cecal foramen pointer was invented for a Sistrunk median cervical cyst operation.
(13) Enlargement in an adjacent conjugating foramen forms a tumour which may narrow the spinal canal (1 case diagnosed by CAT) or erode the vertebral body, so compromising the spinal support.
(14) The earliest perfect ring-shaped formation of the foramen ovale is observed in the 7th fetal month and the latest in 3 years after birth.
(15) Arterial oxygen tension was lower in patients with a patent foramen ovale (mean 55 [SD 14] vs 62 [16] mm Hg, p = 0.038).
(16) Body weight was not correlated with foramen magnum area in 25 specimens of savannah sparrow, Ammodramus sandwichensis.
(17) The common tumors originating in the jugular foramen are chemodectoma and schwannoma.
(18) They are determined primarily by (a) the pulpal response of an immature tooth to trauma, and (b) the mechanical difficulties encountered when attempts are made to obturate the root canal of a tooth with a widely patent apical foramen.
(19) Successful penetration of the foramen was achieved in 39 of 46 injections on cadavers and in six injections on five patients.
(20) A patient with symptomatic oscillopsia without downbeat nystagmus, who was diagnosed by magnetic resonance imaging to have displaced cerebellar tonsils below the foramen magnum, is presented here.
Intercrural
Definition:
(a.) Between crura; -- applied especially to the interneural plates in the vertebral column of many cartilaginous fishes.
Example Sentences:
(1) A comfortable gap between the wall of the artery and the sides of the intercrural foramen is maintained that most likely facilitates the attenuation of potentially disruptive low-frequency vibrations produced by the arterial pressure pulse.
(2) They were identified both deep in the intercrural sulcus, and in the posterior superior fissure.
(3) Distal urethral mobilization and incision of the intercrural septum provided adequate urethral length for tension-free anastomosis.
(4) In about half the cases the abuse consisted of vaginal penetration or intercrural rubbing.
(5) In 13 infants with indwelling umbilical artery catheter and normal angiographic findings in both legs, blood-pressure differences were similarly low in a majority of the infants, but in three of these intercrural differences of 15-20 mmHg were found.
(6) Rostrally, this discontinuity between vermis and hemisphere occupies a position corresponding to the intercrural sulcus of the ansiform lobule of other mammals.
(7) A majority of gay men, believe it or not, do not engage in anal sex; fellatio, mutual masturbation, frot, intercrural sex, are the choice activities of most of them – me included.
(8) Beyond a certain body size, the stapedial artery can no longer function as the sole supplier to its original territory because the diameter of its stem is limited by the size of the intercrural foramen of the stapes, which exhibits strong negative allometry.
(9) Histological examination has revealed that the response areas extend longitudinally from the dorsal surface of crus II to the ventral surface of crus I in the intercrural sulcus, and from the rostral surface of crus I to the caudal surface of lobulus simplex in the posterior superior fissure.
(10) Intercrural systolic blood-pressure differences did not exceed 10 mmHg in 22 healthy infants who were term, pre-term or small for their gestational age (three); as measured simultaneously in both legs with 3-cm wide thigh cuffs and mercury-in-silastic strain gauges around the calves.
(11) Resting and submaximal arterial leg blood-flow, measured with venous occlusion plethysmography, showed larger intercrural differences than blood-pressure, and did not add further information.
(12) A subdivision into the simple lobule (VI and HVI), ansiform and paramedian lobule (HVII) and vermal lobule VII is proposed for this region, which accounts for the position of this cortexless area in the intercrural sulcus.