div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: uomustansiriyaheduiq02_23_42_AMpdf · Congenital preauricular sinus Acquired Pilonidal Sinus Dermal sinus tracts are remnants of incomplete neural tube closure Embryologically src=https:reader031fdocumentsinreader031viewer20220129145cda98d788c99332588b6529html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: uomustansiriyaheduiq02_23_42_AMpdf · Congenital preauricular sinus Acquired Pilonidal Sinus Dermal sinus tracts are remnants of incomplete neural tube closure Embryologically src=https:reader031fdocumentsinreader031viewer20220129145cda98d788c99332588b6529html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: uomustansiriyaheduiq02_23_42_AMpdf · Congenital preauricular sinus Acquired Pilonidal Sinus Dermal sinus tracts are remnants of incomplete neural tube closure Embryologically src=https:reader031fdocumentsinreader031viewer20220129145cda98d788c99332588b6529html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: uomustansiriyaheduiq02_23_42_AMpdf · Congenital preauricular sinus Acquired Pilonidal Sinus Dermal sinus tracts are remnants of incomplete neural tube closure Embryologically src=https:reader031fdocumentsinreader031viewer20220129145cda98d788c99332588b6529html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: uomustansiriyaheduiq02_23_42_AMpdf · Congenital preauricular sinus Acquired Pilonidal Sinus Dermal sinus tracts are remnants of incomplete neural tube closure Embryologically...