- pleuroperitoneal rib
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a rib lying just outside of the body cavity, articulating with the parapophysis of the vertebrae and protecting the viscera. Also called ventral rib
Dictionary of ichthyology. 2009.
Dictionary of ichthyology. 2009.
pleural rib — pleuroperitoneal rib … Dictionary of ichthyology
rib — one of a series of long, thin bony rods articulating with the apophyses of the vertebrae and supporting the trunk musculature. The ventral ends are free. They consist of two types: the dorsal, epipleural or true ribs which arise from the… … Dictionary of ichthyology
ventral rib — one of the ribs surrounding and protecting the viscera and articulating with the parapophyses of the vertebrae. Also called pleural or pleuroperitoneal ribs … Dictionary of ichthyology
Thoracic diaphragm — diaphragm Respiratory system Latin diaphragma Artery Pericardiacophrenic artery … Wikipedia
Hiatus — An opening, as in the diaphragm. When there is an unusually wide opening in the diaphragm, there can be a hiatus (or hiatal) hernia. In Latin an hiatus is an opening, gaping mouth, or chasm. It is derived from the verb hiare meaning to gape or… … Medical dictionary
membrane — 1. A thin sheet or layer of pliable tissue, serving as a covering or envelope of a part, as the lining of a cavity, as a partition or septum, or to connect two structures. SYN: membrana [TA]. 2. SYN: biomembrane. [L. membrana, a skin or m … Medical dictionary
triangle — In anatomy and surgery, a three sided area with arbitrary or natural boundaries. SEE ALSO: trigonum, region. [L. triangulum, fr. tri , three, + angulus, angle] anal t. [TA] the posterior portion of the perineal region through which the … Medical dictionary
Diaphragmatic rupture — Classification and external resources An X ray showing the spleen in the left lower portion of the chest cavity (X and arrow) after a diaphragmatic tear … Wikipedia
Foramen — A natural opening. Although a foramen is usually through bone, it can be an opening through other types of tissue, as with the foramen ovale. * * * An aperture or perforation through a bone or a membranous structure. SYN: trema (1). [L. an… … Medical dictionary
Hernia — A general term referring to a protrusion of a tissue through the wall of the cavity in which it is normally contained. More specifically, a hernia often refers to an opening or weakness in the muscular structure of the wall of the abdomen. This… … Medical dictionary