(1) The responses to serotonin (5-HT) and noradrenaline (NA) were examined in isolated ischiatic artery preparations from normal and genetically dystrophic chickens.
(2) On outbred ratlings aged 21-31 days the influence was studied of the destruction of catecholaminergic (CA) system on the reactions of the neurones of the cortical somatosensory zone, elicited by the stimulation of the ischiatic nerve and modulation of these reactions after stimulation of the basal nuclei area (the source of the neocortex cholinergic innervation) and acetylcholine (ACh) microiontophoretic application.
(3) Based on own and literature data we have suggested that one cause for the damage to renal aldosterone receptors in reflex dystrophy under pathological stimulation from the focus of damage in ischiatic nerve as well as for their improved functioning in surgical or pharmacological (beta-adrenoceptor blockade) desympathization which discontinues this stimulation, may be change in cAMP content.
(4) Use of the arterial vessels for connecting the end of the cut ischiatic nerve, trophic ulcers, that usually take place after the nerve section, do not develop.
(5) Four essential rules must then be followed: an examination in standing position, proximal decompression tests, examination by one third segments and by thirds of each segment, analysis of the forgotten veins of the leg (soleus, gemellar) and thigh (profunda femoris, quadriceps, posterior ischiatic anastomotic flow) and of the deep muscular anastomoses.
(6) In 10% of fibers of the regenerating ischiatic nerve impulse activity begins to be registered in 20-30 days after the operation.
(7) The risk of intracranial hemorrhage tended to be higher with extractions of fetuses with the head at or above the ischiatic spines, particularly when there was concomitant intrapartum asphyxia.
(8) The coccygeus muscle originates from ischiatic spine and inserts on the last three sacral vertebrae and on the first four or five caudal vertebrae.
(9) In the "pendular" flap, the lower head of one of the greatest gluteal muscles is mobilized to cover a moderate loss of tissue in the ischiatic area.
(10) In 13 dogs, the ischiatic nerve was exposed surgically and retracted until the SEP deteriorated and disappeared, to determine the relationship between amount of tension on the nerve and the time to complete deterioration of the SEP. Sensory evoked potential waveforms, which consisted of two to five peaks, were stable throughout the anesthetic period.
(11) Cardiovascular responses (cardiac frequency, fH; mean arterial pressure, Pa; ischiatic arterial blood flow; Qi; ischiatic vascular resistance, Ri) to 1-norepinephrine (NE), acetylcholine (ACH), [Asp1, Val5]-angiotensin II (ANG II), and arginine vasotocin (AVT) were studied in conscious chickens (Gallus gallus) and Pekin ducks (Anas platyrhynchos).
(12) The uroperitoneum was initially believed to be attributable to ruptured bladder secondary to urolithiasis; however, catheter decompression of the bladder through an ischiatic urethrotomy did not resolve the uroperitoneum.
(13) The beta-adrenoceptor blockade with propranolol was accompanied by a decrease in renal nucleotide being more pronounced in animals with intact ischiatic nerve.
(14) Small intestine, ischiatic nerve and testis have been the most rich radiolabelled organs (+++).
(15) After destruction of the lateral part at T1-T2 level, a decrease in the systemic arterial pressure occurred after stimulation of the pressor zone of the vasomotor center and structures of the spinal cord at the levels of C5 and ischiatic nerve.
(16) In the experiment, performed on dogs ultrastructure of the ischiatic nerve allograft, preserved in liquid nitrogen (-196 degrees) has been studied.
(17) A table of the developmental rate of synostosing pubic-ischiatic synchondrosis is made on the basis of analysis of 305 pelvis roentgenograms of children from 2 till 14 years of age.
(18) The experiments on an isolated frog neuromuscular preparation gave evidence that an exposure to stable magnetic fields of 1000-4000 Oe did not influence the time parameters, amplitude and pattern of the action potentials of the gastrocnemius muscle induced by ischiatic nerve stimulation with single impulses.
(19) 3) Bleeding sites near greater ischiatic notches on angiogram were frequently seen without detectable fractures of posterior pelvic ring on plain X-ray films.
(20) Observations on four patients are reported because of their originality; the two first involved a rare type of pelvic fracture, one ischiatic, the other iliac.
Ischium
Definition:
(n.) The ventral and posterior of the three principal bones composing either half of the pelvis; seat bone; the huckle bone.
(n.) One of the pleurae of insects.
Example Sentences:
(1) For the sternum, humerus and ilium-ischium, however, ossification in A2 fetuses increased to the levels observed in the PF and C groups.
(2) A training system for the prevention of pressure sores has been designed to teach the paralytic person to relieve pressure intermittently from his ischium while sitting in a wheelchair.
(3) In patients with injury to the sacro-iliac joints or of the sacrum, the extent of the injury and the degree of pelvic instability was better shown by CT. All other bony lesions, such as fractures of the ilium, pubis, ischium or the symphysis could be diagnosed adequately by simple radiographs.
(4) The specific and complementary investigations revealed the absence of the left half of sacrum, coccyx, together with the left iliac bone, ischium and pubis.
(5) The press-fit component without screws demonstrated the greatest motion equaling 162 microns at the ilium, 97 microns at the publis, and 54 microns at the ischium.
(6) Sites of involvement included the pubis in three patients, the ilium in two patients, and the ischium in one patient.
(7) Increasing the protein content of the alcohol diet from 18% (Diet A1) to 25% (Diet A2) significantly increased ossification of the ulna, sternum, humerus and ilium-ischium.
(8) A training and monitoring system has been developed to train spinal cord injured patients to relieve pressure intermittently from ischium while sitting in wheelchairs.
(9) Surgical repair with reattachment of avulsed muscles to the ischium and proximal tendinous sheaths of the muscles restored function or corrected deformity.
(10) In older children in whom rigidity of the pubic symphysis did not permit a sufficient amount of acetabular tilt the acetabulum had to be isolated from the rest of the pelvis by a triple osteotomy which consisted of, in addition to the osteotomy of the ilium, osteotomies of the superior pubic ramus and the ischium or the inferior pubic ramus.
(11) Bicortical fixation was significantly greater in the superior ilium, posterior column, and ischium than in the anterior column or pubis.
(12) According to NOVOTNY, a correct sexing of pelves is possible on the basis of combination of 2 type-morphognostic characters and 4 morphometric ones of the pubis, the ischium, and the greater sciatic notch (incisura ischiadica major).
(13) The bony hemipelvis was resected in the subperiosteal plane, resulting in the removal of the iliac wing, ischium, and pubic rami.
(14) The results show that the main stressing of the bony pelvis occurs in the region of the acetabulum and the iliosacral joints, and that further points of loading are located in the lower region of the ischium-and this while standing on one leg, on the side of the supporting leg.
(15) The involved portions of the left pubis and left ischium presented as "cold" areas on the original bone scan with 99mTc-diphosphonate.
(16) A benign osteoblastoma of the anterior part of the pelvic ring was excised with the pubic rami ischium and lower part of the acetabulum.
(17) It is secondary to impairment of the internal pudendal nerve in its musculo-osteo-aponeurotic tunnel composed by the ischium and the obturator internus muscle (ischiorectal fossa or pudendal canal).
(18) Ischium and pubis remained unossified until the 20th day of gestation.
(19) A worst-case support condition was assumed in which bony contact with small areas of the ilium, ischium, and pubis was represented by three-point support.
(20) Conservative hemipelvectomy is the resection of the ischium, ilium and subjacent extremity.