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of or pertaining to the spine, the vertebra: Greek σφόνδῠλος / σπόνδυλος (sphóndulos, spóndulos), the spine spondylitis: squamos(o)-denoting something as "full of scales" or "scaly" Latin squāmōsus, full of scales, scaly squamous cell-stalsis: contraction Greek στέλλω (stéllō), I dispatch, place, set peristalsis ...
The vertebral column, also known as the spinal column, spine or backbone, is the core part of the axial skeleton in vertebrate animals.The vertebral column is the defining and eponymous characteristic of the vertebrate endoskeleton, where the notochord (an elastic collagen-wrapped glycoprotein rod) found in all chordates has been replaced by a segmented series of mineralized irregular bones ...
Anatomical terminology. [edit on Wikidata] The spinal cord is a long, thin, tubular structure made up of nervous tissue that extends from the medulla oblongata in the lower brainstem to the lumbar region of the vertebral column (backbone) of vertebrate animals. The center of the spinal cord is hollow and contains a structure called the central ...
Gross features. Bones are commonly described with the terms head, neck, shaft, body and base. The head of a bone usually refers to the distal end of the bone. The shaft refers to the elongated sections of long bone, and the neck the segment between the head and shaft (or body). The end of the long bone opposite to the head is known as the base.
Ankylosing spondylitis (AS) is a type of arthritis from the disease spectrum of axial spondyloarthritis. [ 5 ] It is characterized by long-term inflammation of the joints of the spine, typically where the spine joins the pelvis. [ 2 ] With AS, eye and bowel problems—as well as back pain—may occur. [ 2 ]
A section of the human vertebral column, showing multiple vertebrae in a left posterolateral view. Each vertebra (pl.: vertebrae) is an irregular bone with a complex structure composed of bone and some hyaline cartilage, that make up the vertebral column or spine, of vertebrates. The proportions of the vertebrae differ according to their spinal ...
It consists of 5 bones, from the top down, L1, L2, L3, L4 and L5. The lumbar vertebrae are located between the thoracic vertebrae and pelvis. They form the lower part of the human back in humans, and the tail end of the back in quadrupeds. In humans, there are five lumbar vertebrae. The term is used to describe the anatomy of humans and ...
Multiple people opened fire Saturday night in a bustling area of Birmingham, Alabama, killing four people and injuring 17 others. Police had not made any arrests as of Sunday evening.