13. indirect inguinal hernia most common hernia. Most common in young. Direct hernia is most common in elderly. In adults 65% are indirect hernia, in 55% on right side
22. Potential space in medial portion of femoral sheath 1.25 cm long 1.25 cm wide Femoral ring covered by septum crurale (above) Saphenous opening covered by cribriform fascia (below)
30. Saphena varex: positive cough impulse make them similar, fluid thrill, hum on auscultation, disappearance when supine and presence of varicose veins differentiates it from femoral hernia