| Development of THYROID GLAND |
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| Written by Administrator | |||||||||
| Friday, 11 December 2009 08:38 | |||||||||
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Œ Median, ectodermal, down growth from the 1st and 2nd pharyngeal pouches which form thyroglossal duct. The down growth stops below the cricoid cartilage where it divides into two lobes connecting together by isthmus. The whole thyroglossal duct disappears except small part at the junction with left lobe and the isthmus which form pyramidal lobe Ž The 4th branchial pouch form small lateral parts of each lobe. SOURCE: Prof. AYMAN SALEM'S BOOK Copyright: (Vascular Society of Egypt ) & (Medical Educational web) Not to be reproduced without permission of Vascular Society of Egypt
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