septal aperture:
"In adults, the trait was more common in left bones and in females. . . It is tentatively suggested that frequency of septal aperture may be an index of joint hypermobility in earlier populations."
mentions
gradual anterior curvature of sternal body.
extra lumbar vertebra: "About 10% of people have a 6th lumbar vertebrae, which in most cases goes unnoticed. This is a developmental anomaly and typically has very little effect on an individual’s health. It’s usually discovered when other health issues with the spine such as a lower back pain are being investigated."
"Whilst there are normally five lumbar vertebrae in the human spine, it’s estimated that around
10% of adults have a 6th lumbar vertebrae. This is often called a transitional vertebrae and shouldn’t cause any particular issues in a healthy person. It can, in rare circumstances, have some complications if the individual sustains an injury in this region of the spine."
"This 6th vertebrae is the lowest in the lumbar region and is found next to the tailbone, the fused area of the spine at the base or the midriff. It’s not something that suddenly appears or grows, but is there from birth."
"In some very rare cases, the L6 vertebrae can become fused with another vertebral bone at the top of the sacral region and this may cause
back pain."
"In some cases, the individual may experience reduced mobility because of the extra vertebrae. If the transitional vertebrae is fused in some way to the more rigid sacral bone, it could cause highly localised back pain. This is usually solved by injecting steroid medication."
"For individuals who have sustained a spinal cord injury in the lumbar region, there may be some complicating issues that arise if they have a 6th lumbar vertebrae."
"Block vertebrae occurs when one or more bones are fused together and is a condition which can cause loss of mobility and certain neurological problems."