What's the difference between ischium and pelvis?

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.

Pelvis


Definition:

  • (n.) The pelvic arch, or the pelvic arch together with the sacrum. See Pelvic arch, under Pelvic, and Sacrum.
  • (n.) The calyx of a crinoid.

Example Sentences:

  • (1) Prompt diagnosis, in which timely diagnostic laparoscopy and ultrasound evaluation of the pelvis may be helpful, provides the opportunity for prompt laparotomy with untwisting of the torsion and stabilization of the adnexa by suture and cystectomy, if possible, extirpation if not.
  • (2) In the case of unilateral blockade at the groin or pelvis, the grafts connect the lymphatics of the thigh of the affected leg with lymphatics in the contralateral healthy groin.
  • (3) A total of 400 patients with radiation injuries of the organs of the small pelvis were examined.
  • (4) The authors' experience suggests the following as the optimal follow-up: a) CT examination over a 6-month postoperative period; b) yearly CT examinations and urography over 4 postoperative years; c) yearly US examination over the first 2 years after surgery, to depict renal pelvis dilatation.
  • (5) Extraperitoneal hemorrhage, associated with a fracture of the pelvis, is a major cause of death in pedestrian accidents.
  • (6) Some patients received postoperative external beam irradiation (2000 cGy whole pelvis and an additional 3000 cGy to the parametria, with a midline stepwedge) when deep myometrial invasion was present.
  • (7) This is a correlative study of normal anatomy of the lumbosacral spine and pelvis demonstrated by SPECT and radiography in order to assure that morphologic detail resulting from SPECT is recognized and matched with radiographic landmarks in the same area.
  • (8) However, only three patients (3%) failed in the pelvis alone.
  • (9) Metastatic involvement of the pelvis, and in particular the acetabulum, is a common finding among patients with metastatic osseous disease.
  • (10) A patient with malignant hypertension and acute renal failure underwent percutaneous renal biopsy which resulted in the creation of an arteriovenous fistula that communicated with the renal pelvis.
  • (11) A woman in labor and not wearing a seat belt sustained multiple fractures of the pelvis and femur while in an automobile accident.
  • (12) The durect judgment of the function of the floor of the pelvis is only possible by the electromyogram.
  • (13) Contrast media in magnetic resonance imaging (MRI) of the abdomen and pelvis are applied for various purposes; different substances and forms of application must be distinguished.
  • (14) Two groups of subjects were studied: a first group of 20 healthy volunteers to define NMR semeiology of male pelvis and a second group of 40 patients with mainly tumoral lesions of vesicles or prostate.
  • (15) In all series of experiments multidimensional statistical analysis allowed one to reveal the effect conducive to a relative decrease in the blood content in the brain, myocardium, lungs, liver and to its increase in some abdominal organs, skin, muscle and bone tissues of the extremities, abdomen and pelvis.
  • (16) In 25 patients, small cell lung cancer was staged prospectively with both conventional staging and a magnetic resonance (MR) imaging protocol that included 1.5-T MR imaging of the pelvis, abdomen, spine, and brain.
  • (17) Studies carried out on the phantom have shown how reliable transverse diameter measurements of the pelvis are when carried out by X-Ray scanning pelvimetry compared with conventional X-Ray pelvimetry.
  • (18) Approximately 10-20 ml fluid were withdrawn from the renal pelvis for cytology and culture.
  • (19) Using chi 2 analysis, we found that failure of external version was significantly associated with obesity, descent of the breech into the pelvis, decreased fluid, and fetal back positioned posteriorly.
  • (20) For the renal pelvis the results show 6 X 10(-5) M thiphenamil, 10(-3) M oxybutynin, and 5 X 10(-6) M verapamil resulted in a 50% inhibition of the phasic contractions.

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