Pharyngeal Pouches - PHARYNGEAL POUCHES 1. Begin to develop...

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PHARYNGEAL POUCHES 1. Begin to develop in 4 th week of development as neural crest cells? Pharyngeal arches 2. Mesodermal bars that appear in developing neck of fetus are called? Pharyngeal or bronchial arches 3. First pharyngeal arch? Mandibular arch 4. Maxillary prominence gives rise to? Maxilla bone (upper jaw), zygomatic bone, squamous part of temporal bone 5. 1 st arch plays a major role in? development of the face 6. Cartilage of first arch is? Meckel’s cartilage 7. Nerve of 1 st arch? Mandibular nerve (branch trigeminal) 8. Skeletal elements developed from 1 st arch? Mandible, incus, malleus 9. Ligaments? Sphenomandibular ligament, anterior ligament of malleus 10. Muscles developed from 1 st arch? 4 muscles of mastication (masseter, temporalis, lateral pterygoid and medial pterygoid), anterior belly digastrics, mylohyoid, tensor tympani, tensor veli palatini 11. Second pharyngeal arch? Hyoid arch 12. Cartilage of 2
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Pharyngeal Pouches - PHARYNGEAL POUCHES 1. Begin to develop...

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