Vertebral formulae, the combination of regional numbers of vertebrae making up the bony spine, vary across vertebrates and within hominoid primates. Reconstructing the ancestral vertebral formulae throughout hominoid evolution has proved a challenge due to limited fossil evidence and disagreement among ...
numbers of different vertebrae 7 cervical12 thoracic5 lumbar5 fused sacral4 fused coccygeal33 total vertebrae The size of the vertebral body ___ as the column descends increases The vertebral body is roughly cylindrical and is covered by a thin layer of ___ bone. compact The inner part of ...
That third vert could be a Kemkemia, I've looked at it before but other than the location of the spine the other features are different and we only have the one in the holotype to compare against. However would lean more toward croc than theropod, LordTrilobite Editing Members 4.9k Locat...
Millions of Americans are affected by spine diseases, with approximately 40 percent of all spinal fusion surgery performed for cervical spinal fusion. Some 230,000 patients are candidates for spinal fusion, with the numbers of potential patients increasing by 2 to 3 percent each year as the nation...
Figure 3. Graphs displaying relative buckling and relative safety factor for a simplified azhdarchid cervical vertebra modeled with varying numbers of trabeculae (A) Relative increase of buckling load proportional factor (LPF) versus number of trabeculae (average values and standard deviation). (B) Sa...
The denuded part of the tail soon dries up and falls off or is bitten off by the mouse. The loss o... JN Layne - 《Journal of Mammalogy》 被引量: 21发表: 1972年 Spine and pelvis fractures in axial Z-acceleration Axial compressive spine loading may occur through impact with the pelvis...
the first descriptions of xenarthrans, intermediate vertebral conditions remain unknown in the fossil record, and uncertainty remains regarding the development of the involved articulations. We used developmental and morphological techniques to provide a novel developmental perspective on the evolution of xen...
spinal column,spine,vertebral column,rachis,backbone,back-theseriesofvertebraeformingtheaxisoftheskeletonandprotectingthespinalcord;"thefallbrokehisback" cervical vertebra,neck bone-oneof 7vertebraeinthehumanspinelocatedintheneckregion dorsal vertebra,thoracic vertebra-oneof 12vertebraeinthehumanvertebralcolumn;...
The average number of abdominal vertebrae turns out to be the lowest in fish with low fecundity. A group of low-fecundity fish is also identified when comparing the average relative fecundity in females with different numbers of vertebrae in the spine. Individuals with 17 abdominal vertebrae have...
LSTV was found in 25.1% of the cohort. It is important to ascertain atypical vertebrae variations rather than the absolute number of vertebrae because variants such as 7C11T6L and 7C13T4L may still have typical numbers of vertebrae in total. However, due to the differences in the number ...