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The original edition had 15,000 words and each successive edition has been larger, [3] with the most recent edition (the eighth) containing 443,000 words. [6] The book is updated regularly and each edition is heralded as a gauge to contemporary terms; but each edition keeps true to the original classifications established by Roget. [2]
Spinal column, also known as the backbone; Dendritic spine, a small membranous protrusion from a neuron's dendrite; Thorns, spines, and prickles, needle-like structures in plants; Spine (zoology), needle-like structures in animals; SPINE (molecular biology) (strep–protein interaction experiment), a method for the detection of protein interactions
The skeletal muscles of the body typically come in seven different general shapes. This figure shows the human body with the major muscle groups labeled. The gross anatomy of a muscle is the most important indicator of its role in the body. One particularly important aspect of gross anatomy of muscles is pennation or lack thereof. In most ...
Only skeletal and smooth muscles are part of the musculoskeletal system and only the muscles can move the body. Cardiac muscles are found in the heart and are used only to circulate blood; like the smooth muscles, these muscles are not under conscious control. Skeletal muscles are attached to bones and arranged in opposing groups around joints. [8]
Coccydynia occurs in the lowest part of the spine, the coccyx, which is believed to be a vestigial tail, or in other words the "tail bone". The name coccyx is derived from the Greek word for 'cuckoo' due to its beak-like appearance.
In the gonad of the invertebrate nematode Caenorhabditis elegans, a rachis is the central cell-free core or axis of the gonadal arm of both adult males and hermaphrodites where the germ cells have achieved pachytene and are attached to the walls of the gonadal tube. The rachis is filled with cytoplasm.
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SMA is a category of spinal disease that in linked with genetic disorders. More specifically, it is caused by an autosomal recessive disorder due to a homozygous mutation of a motor neuron gene. [3] There are different types of SMA. Type 0 is diagnosed to newborns who have muscle weakness, and little to no "fetal movements."