costal margin

(redirected from Costal margins)

costal margin

[TA]
that portion of the inferior aperture of the thorax formed by the articulated cartilages of the seventh to tenth (that is, false) ribs.
Synonym(s): arcus costalis [TA], costal arch ☆ , arcus costarum

costal margin

The lower (abdominal) border of the front of the rib cage formed by the costal cartilages of ribs 7 to 10.
See also: margin
References in periodicals archive ?
No exanthema was noted, the liver was palpable 1 cm under the costal margins, and the spleen was not enlarged.
DIAGNOSIS: Pinophylus is distinguished from other conifer inhabiting genera of Phylini by the distinctive sexual dimorphism, with the costal margins of the hemelytra elongate and parallel-sided in the male and shorter and subovoid in the female; the brownish black dorsum with inconspicuous dark simple setae; the pretarsus with the base of the claw expanded and the pulvillus small; and the endosoma composed of two straps with a subapical secondary gonopore.
The liver and spleen were palpable 10 cm and 11 cm below the costal margins, respectively.
She also had mild jaundice and marked hepatosplenomegaly, which caused abdominal distension; the liver was firmly enlarged 10 cm below the right costal margin, and the spleen was palpated 11 cm below the left margin.
Liver and spleen were palpable 4 cm and 2 cm below the costal margins, respectively.
The physical examination revealed a jaundiced boy with hepatosplenomegaly, palpable 8 cm and 6 cm below the costal margins, respectively.
Distinguished from Schuhistes leckkersingia by the presence of a golden partial to complete fascia on the anterior half of the hemelytra, the straighter costal margins of the hemelytra in the males, the smaller size and C-shape of the vesica, and the narrow more-or-less parallel-sided apex of the phallotheca.
STRUCTURE: Wings with straighter costal margins than in Schuhistes leckkersingia; brachypterous, with reduced cuneus and membrane.
Her liver and spleen were palpable 4 cm and 5 cm below their respective costal margins.