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27 Cards in this Set
- Front
- Back
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trigenimal n comes from what arch?
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pharyngeal arch 1
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facial n comes from what arch?
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pharyngeal arch 2
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glossopharyngeal n comes from what arch?
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pharyngeal arch 3
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vagus n comes from what arch?
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pharyngeal arch 4 and 6
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what pharyngeal arches form while the neuropore is still open?
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pharyngeal arch 1 and 2
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what are the derivatives of the mandiubular and maxillary parts?
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pharyngeal arch 2
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What is the embryological derivative of the anterior pituitary?
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Rathke's pouch
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What is the stomadeum?
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the beginnings of the mouth, it is left behind after the buccopharyngeal plate folds into the tube
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What is the derivative of the anterior 2/3 of the tongue?
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mandibular part of the 1st banchial arch
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What is the derivative of the posterior 1/3 of the tongue?
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3rd branchial arch
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Arytenoid swellings come from what pharyngeal arch?
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6th
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What does Meckel's cartilage form?
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malleus, incus, sphenomandibular ligament, lower jaw
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how does the sphenomandibular ligament form?
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from meckel's cartilage (1st pharyngeal arch) via endochondral ossification
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how does the lower jaw form?
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from meckel's cartilage (1st pharyngeal arch) via intramembranous ossification
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what form's from reichert's cartilage?
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stapes, styoid process, stylohyoid ligament and lesser horn of the hyoid
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what muscle derivatives come from the third phrayngeal arch?
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stylopharyngeus muscle
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what are the aortic derivatives of the 3rd phayrngeal arch?
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carotid arteries
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what are the aortic derivatives of the 4th pharyngeal arch?
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left: aortic arch right: right subclavian
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what are the aortic derivatives of the 6th aortic arch?
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pulmonary arteries
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what are the derivatives of the 1st pharyngeal groove?
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external auditory meatus
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what are the muscular derivatives of the 4th arch?
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cricothyroid mm and muscles of the pharynx
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what are the muscular derivatives of the 6th arch?
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intrinsic muscles of the larynx
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What are the derivatives of the 1st pharyngeal pouch?
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middle ear canal and auditory tube
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what are the 2nd pharyngeal pouch derivatives
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palatine tonsils
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What are the 3rd pharyngeal pouch derivatives?
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parathyroid and thymus
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what are the derivatives of the 4th pharyngeal pouch?
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parathyroid and c-cells of thyroid
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pharyngeal arch cartilage develops from what embryonic tissue?
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neural crest
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