Definitions
from The Century Dictionary.
- noun Any vertebra in front of the sacrals, generally used in the plural.
- Preceding the sacrum in the spinal column; situated in front of the sacral vertebræ, as a vertebra; lumbar.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective anatomy Situated in front of the
sacrum
Etymologies
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Examples
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The procedure is called a presacral neurectomy, and it involves the cutting of nerve fibers that lead directly to your uterus and pelvis.
Getting Pregnant Niels H. Lauersen 2000
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Posterior presacral vertebrae are extremely robust and possess fused ribs and the last presacral vertebra has been fused to the sacrum, a character that may be taxonomically useful.
A detailed description of Desmatosuchus ReBecca Foster 2008
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Posterior presacral vertebrae are extremely robust and possess fused ribs and the last presacral vertebra has been fused to the sacrum, a character that may be taxonomically useful.
Archive 2008-05-01 ReBecca Foster 2008
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The cut goes into the "presacral space," a cavity in the pelvis that is generally empty except for fat.
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It retains some features present in extinct Cretaceous birds that are lacking in modern birds e.g., it has non-heterocoelous presacral vertebrae, but in general has many derived features.
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Spongy somphospondylus presacral vertebrae; dorsal ribs plank-like with pneumatic cavities; iliac preacetabular process semicircular; scapular glenoid fossa bevelled medially
PLoS ONE Alerts: New Articles Scott A. Hocknull et al. 2009
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They have only six presacral vertebrae (eight is the typical number for toads), and of these the first two are fused (both characters are also seen in
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