| collum tali | A constriction separating the head, or anterior portion, from the body of the talus. Synonym: collum tali. (05 Mar 2000) |
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| collum vesicae biliaris | The narrow portion between the body of the gallbladder and beginning of the cystic duct. Synonym: collum vesicae biliaris, collum vesicae felleae. (05 Mar 2000) |
| collum vesicae felleae | An alternate term for neck of gallbladder. (05 Mar 2000) |