Term
Initial progenitor of all musculoskeletal tissues |
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Definition
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Term
embryonic tissue precursor for vertebrae and ribs |
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Definition
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Term
embryonic tissue Precursor of sternum |
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Definition
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Term
embryonic tissue Precursor of skull |
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Definition
either paraxial mesoderm (head mesoderm and occipital somites) or Neural Crest (ectoderm) |
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Term
embryonic tissue Precursor of appendicular skeleton |
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Definition
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Term
embryonic tissue precursor for skeletal muscle |
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Definition
Myotome tissue (epaxial and hypaxial) of somites and paraxial mesoderm of head |
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Term
embryonic tissue precursor for smooth muscle |
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Definition
Mostly splanchnic mesoderm, but some somatic mesoderm. |
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Term
embryonic tissue precursor for cardiac muscle |
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Definition
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Term
Where are all skeletal muscle precursors are derived from |
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Definition
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Definition
encodes transcription factors that tell a cell to become an osteoblast and form bone |
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Term
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Definition
Tells cell to become chondroblast and form cartilage |
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Term
where is the centrum of the forming vertebrae derived from? |
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Definition
loose portion of the PERINOTOCHORDAL sheath |
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Term
where are the neural arches of the forming vertebrae derived from? |
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Definition
Dense portion of the lateral scleratome |
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Term
where is the intervertebral disc of the forming vertebrae derived from? |
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Definition
compact portion of perinotochordal sheath |
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Term
What does the remaining notochord form |
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Definition
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Term
where is the intersegmental artery and spinal nerve of the forming vertebrae derived from? |
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Definition
the loose part of the lateral scleratome |
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Term
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Definition
junction of cartilage between centrum of vertebrae and neural arches. allows for vertebrae to grow longitudinally. closes at 3-6 years of age |
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Term
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Definition
Rare, recessive. several fused cervical vertebrae. short neck and low nuchal hair line. Other problems |
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Term
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Definition
Lumbar vertebrae fused with sacrum |
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Term
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Definition
sacral vertebrae are unfused like the lumbar vertebrae. Has a negative effect on the stability of the spine |
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Term
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Definition
many vertebrae have unfused processes |
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Term
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Definition
series of conditions where one or few vertebrae have unfused processes. SB occulta is mildest form |
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Term
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Definition
piece of bone that throws off alignment of spine. May be do to failure of some primary ossification centers |
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Term
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Definition
abnormal lateral curve of spine. 7X more common in females |
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Term
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Definition
undecended scapula. remainas at around C4-T2. affects movement of shoulder |
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Term
Which skull bones ossify intramembraneously? |
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Definition
Calvaria, facial bones, jaw |
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Term
Which skull bones ossify endochondrially |
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Definition
chondrocranium, ossicles, styloid processes |
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Term
Dysraphic defect of skull |
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Definition
absence or opening between calvaria bones |
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Term
Closure of posterior and anteriorlateral fontanelles |
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Definition
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Term
Closure of anterior fontanelle |
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Definition
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Term
Closure of the posteriorlateral fontanelle |
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Definition
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Term
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Definition
sutures close prematurely. Results in skull asymmetry. Skull grows in parallel with suture |
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Term
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Definition
severe form of craniosynostosis. Skull grows in three directions |
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Term
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Definition
small calvaria, normal face size. brain defect |
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Term
Craniovertebral Junction defects |
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Definition
involve bone fusions (like occipitalization of atlas) and/or loose ligaments. associated with torticollis, short neck, low nuchal hair line, and restricted movement of head and neck |
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Term
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Definition
Autosomal dominant. Spider-like, elongated digits. Aortic, eye, and spine abnormalities |
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Term
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Definition
dominant. type I collagen defect |
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Term
Precursor for vascular smooth muscle |
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Definition
Local mesoderm (any mesoderm from surrounding area) and in parts of the head and neck, from neural crest mesenchyme |
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