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32 Cards in this Set
- Front
- Back
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whats derived from ectoderm
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CNS, peripheral nervous system, sensory organs (placodes), surface epithelium
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whats derived from mesoderm
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somites---muscle, vertebral column
connective tissue, lymphatic tissues, blood cells |
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whats derived from endoderm
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epithelium of GI tract, lover, pancreas, thyroid, thymus
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comes from 1st arch
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malleus, incus
muscles of mastication facial artery V3 |
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comes from 2nd arch
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stapes, styloid, lesser horns of hyoid
muscles of facial expression, external carotid CN VII |
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comes from 3rd arch
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body of hyoid
stylopharyngeal muscle internal carotid CN IX |
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comes from 4th arch
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larynx
pharyngeal muscles CN X |
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what is derived from the first pharyngeal pouch
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tymapnic cavity
eustachian tube |
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what is derived from the second pharyngeal pouch
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palatine tonsil
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what is derived from the third pharyneal pouch
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ventral: thymus
dorsal: inferior!!! parathyroids |
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what is derived from the fourth pharyngeal pouch
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superior parathyroids
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what is dervied from the fifth pharyngeal pouch
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ultimobranchial body
------parafollicular C cells |
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wolff ducs (mesonephric) turns into
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epididymis
vas deferens |
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muller duct turns into
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fallopian tubes, uterus, vagian down to hymen
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what suppresses the muller duct
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MIF...released from Sertoli cells
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ureteric bud (metanephric duct) turns into
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trigonum bladder
ureter collecting tubules |
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allantois turns into
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urinary bladder, urachus
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what travels through the optic canal
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opthalmic artery
optic nerve |
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what travels through superior orbital fissure
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CN III, IV, V, VI
sympathetic nerves opthalmic veins |
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what travels through the foramen rotundum
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cranial nerve V (maxillary)
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what travels through foramen ovale
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CN V (mandibular)
accessory meningeal artery |
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what travels through foramen spinosum
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middle meningeal artery
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what nerve travels through foramen magnum
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accessory nerve
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what travels through jugular foramen
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cranial nerves IX, X, XI
IJ |
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what travels through internal auditory meatus
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CN VII, VIII
labyrinthine artery |
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what muscle pulls tongue out
in and up> down? |
genioglossus
styloglossus hyoglossus |
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anterior 2/3 of tongue gets taste from
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facial VII
(posterior is from glossopharyngeal |
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name three msucle innervated by recurrent laryngeal nerve
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post cricoarytenoid
lateral cricoarytenoid thyroarytenoid |
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the left reccurent nerve wraps around _____ whereas the right wraps around the ____
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left: aortic arch
right: right subclvian |
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musculotaneous nerve roots
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c5-6
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middle trunk C7 nerves of brachial plexus
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median nerve, axillary nerve, radial nerve
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ulnar nerve roots
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c8-t1
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