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pelvis

Line breaks: pel¦vis
Pronunciation: /ˈpɛlvɪs
 
/

Definition of pelvis in English:

noun (plural pelvises or pelves /-viːz/)

1The large bony frame near the base of the spine to which the hindlimbs or legs are attached in humans and many other vertebrates.
Example sentences
  • He lived only ten weeks after his diagnosis, the disease having already metastasized to his spine and bony pelvis, femur, skull, and tibia.
  • Since the two iliac bones are bound strongly together at the centre front, the bony pelvis (sacrum and iliac bones) can only be tilted as a whole by movement at the hip joints and by bending the spine.
  • Laterally, anteriorly and posteriorly the pelvis is bony and significant support is provided through ligaments.
1.1The part of the abdomen including or enclosed by the pelvis.
Example sentences
  • They are usually found in groups in different places throughout the body, including the neck, armpit, chest, abdomen, pelvis, and groin.
  • Several surgical procedures of the head, neck, chest, abdomen, pelvis, back, and limbs are described.
  • A computed tomographic scan of the abdomen and the pelvis showed subtle lymph node enlargement in the retroperitoneum.
2 (also renal pelvis) The broadened top part of the ureter into which the kidney tubules drain.
Example sentences
  • The nephrectomy specimen revealed a dilated renal pelvis and ureter.
  • Abdominal magnetic resonance imaging and computed tomography identified a large mass in the left kidney and numerous obstructing blood clots in the left renal pelvis, left ureter, and urinary bladder.
  • An atypical hydronephrotic type may have isolated ureteral atresia with multiple cysts communicating with a dilated renal pelvis with dysplastic renal tissue forming trabeculae between the cysts.

Origin

early 17th century: from Latin, literally 'basin'.

Definition of pelvis in:

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