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Next after the thorax and in front comes the 'belly', and its root
the 'navel'. Underneath this root the bilateral part is the 'flank':
the undivided part below the navel, the 'abdomen', the extremity of
which is the region of the 'pubes'; above the navel the
'hypochondrium'; the cavity common to the hypochondrium and the
flank is the gut-cavity.

Serving as a brace girdle to the hinder parts is the pelvis,
and hence it gets its name (osphus), for it is symmetrical
(isophues) in appearance; of the fundament the part for resting on
is termed the 'rump', and the part whereon the thigh pivots is
termed the 'socket' (or acetabulum).