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Is the neural tube and neural crest cells of endodermal origin?
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Where do Preganglionic neurons develop from?
Neural crest cells
What is formed from neural crest cells?
central nervous system, spinal cord
What happens to neural crest cells?
the produce sexual cells, while the metosis dies because of doing it
Where are melanocyte cells derived from?
Melanocytes are derived from a structure in the human embryo called the neural crest.
Parts of skeletal system and their function?
The musculoskeletal system consists of skeletal muscle, bone, and cartilage and is mainly mesoderm in origin with some neural crest contribution.
The iliac crest is the origin of?
both halves of the pelvis.
What is the origin on the iliac crest and the insertion on rib 12?
Quadratus lumborum
Is the adrenal medulla a misplaced sympathetic ganglion?
The adrenal medulla has many similarities with post-ganglionic sympathetic neurons, they release catecholamine because medullary cells are derived from the neural crest and, as such, are simply modified neurons. The adrenal gland releases epinephrine, norepinephrine and dopamine in response to neural not hormonal signals just like postganglionic neurons. The most significant different between adrenal medulla cells and true postganglionic sympathetic neurons is the absence of axons. The neurotrasmitter has become a hormone and is released into the blood.
Has the origin on the iliac crest and the insertion on rib 12 and l1 to l4 vertebra?
Quadratus lumborum
Why doesn't Crest put Made in the USA on their toothpaste tube?
Because it is no longer produced in the USA. It must mark the origin of its manufacture.
What is the origin of the word crestfallen?
It relates to the days of jousting, when the losing protagonist was knocked from his horse, along with his shield or 'crest' hence, crestfallen.
Origin and insertion of rectus abs?
Rectus abdominisOrigin: Pubic crest and pubic symphysis.Insertion: Cartilage of 5th to 7th ribs and xyphoid process.
