A crotch can be any region or an object, where a trunk splits into two or more limbs. This can include branching regions of trees, buildings, diagrams, animals, etc. In particular the crotch is the region of the human body between the legs where they join the torso. It is the area containing the genitals. As such, it is considered one of the intimate parts.

Bark inclusion can occur at the crotch of a tree. When the bark of touching limbs of the tree is within the tree it is called bark inclusion.

Lower limb anatomy | Sexual anatomy

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