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38 Cards in this Set
- Front
- Back
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3 rd week
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early features of the face dev. start to appear (pharnygeal arches,frontal prominences,buccopharyngeal membrane)
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4 th week
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Buccopharyngeal membrane start to rupture forming the stomodeum,nasal pits and nasal processes dev.
enlarging max. process and moving forward |
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5th week
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two medial nasal process and max processes fuse forming lip. nasal pits deepen to open in oral cavity
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6 th week
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medial nasal processes grow backwards forming intermaxillary globule(primary palate)
max. processes grow horizontally forming epithelialy covered palate shelves (secondary palate) signs of tooth dev. start to appear |
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7-11 wk
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primary and secondary palates start to fuse in an anterior - posterior direction
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Derivative of pharyngeal fold I
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external auditory meatus
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What are the aortic arch derivative for Arch I
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maxillary artery
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Aortic arch derivative for arch II
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hyoid
stapedia artery |
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aortic arch derivative for arch III
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internal carotid artery
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aortic arch derivative for arch IV
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right subclavian artery,aorta
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Nerve supply to arch I
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trigeminal ( CN V)
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nerve supply to arch II
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facial
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nerve supply to arch III
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glossopharyngeal
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nerve supply to arch IV
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vagus
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muscles to arch I
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muscles of mastication
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muscles to arch II
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muscles of facial expression
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muscles to arch III
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stylopharyngeus muscles
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muscles to arch IV
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pharyngeal and laryngeal musculature
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skeletal derivatives of arch I
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malleus,incus,sphenomandibular ligaments,meckel cartilage
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skeletal derivatives of arch II
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stapes,styloid process,stylohyoid ligament,part of hyoid cartilage
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skeletal derivatives of arch IV
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laryngeal cartilage
thyroid,cricoid,arytenoid,corniculate and cuneiform |
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skeletal derivatives of arch III
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lower body of hyoid,greater cornu
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Derivatives of pharyngeal pouch to arch I
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tympanic cavity of middle ear and eustachian tube
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derivatives of pouch to arch II
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palatine tonsils
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derivatives of pouch to arch III
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inferior parathyroid gland
thymus |
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derivatives of pouch to arch IV
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superior parathyroid gland,
ultimobrachial body(c-cells) |
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What arch forms anterior 2/3 of toungue
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arch I
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What arch forms the posterior 1/3 of the tongue
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arches III and IV
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Muscles of tongue are formed from ?
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occipital somites that have hypoglossal innvervation
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What nerves innervate anterior 2/3 of tongue ?
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V and VII
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What nerves innervate posterior 1/3 of tongue?
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IX
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What nerve innervate the epiglottis?
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X
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Circumvillate is innervated by ?
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IX
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fgfr1
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pfeiffer syndrome
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fgfr2
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Aper syndrome
crouzon syndrome |
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fgfr3
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Achondroplasis
Craniosynostosis |
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twist
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saethre chotzen
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gli 3
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Greig Cephalopolysyndactyle
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