subcostal muscle

sub·cos·tal mus·cle

[TA]
one of several inconstant muscles of the posterolateral thoracic wall having the same direction as the internal intercostal muscles but extending across (that is, deep to) one or more ribs.

sub·cos·tal mus·cle

(sŭb-kos'tăl mŭs'ĕl) [TA]
One of a number of inconstant muscles of the posterolateral thoracic wall having the same direction as the internal intercostal muscles but extending across (deep to) one or more ribs.
Synonym(s): musculus subcostalis [TA] .
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References in periodicals archive ?
The disadvantages of known surgical approaches to the kidney include dissection of intercostal and subcostal muscles, damaging of surrounding nerves, paresis and relaxation of the abdominal muscles, its functional failure.