Gall-stones and diseases of the bile-ducts . r to distinguish the neck of the gall- 70 DISEASES OF THE BILE-DUCTS bladder from the cystic duct ; but in diseasedconditions when a stone is impacted in this duct theparts behind are often so dilated that it is impossibleto draw a dividing line between the duct and the. Fig. 27.—Gall-bladder with gall-stone impacted in the cysticduct. The small body on the gall-bladder is an accessoryliver. gall-bladder. In normal conditions the cystic ductmeasures in transverse diameter 3 mm., and itslumen is irregularly encroached upon by the foldof its mucous me
Gall-stones and diseases of the bile-ducts . r to distinguish the neck of the gall- 70 DISEASES OF THE BILE-DUCTS bladder from the cystic duct ; but in diseasedconditions when a stone is impacted in this duct theparts behind are often so dilated that it is impossibleto draw a dividing line between the duct and the. Fig. 27.—Gall-bladder with gall-stone impacted in the cysticduct. The small body on the gall-bladder is an accessoryliver. gall-bladder. In normal conditions the cystic ductmeasures in transverse diameter 3 mm., and itslumen is irregularly encroached upon by the foldof its mucous membrane, known as the valves ofHeister. No very accurate statements can be made GALL-STONES IN CYSTIC DUCT 71 in regard to the size of concretions which are ableto pass along this duct, and I have, on several
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