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the cavity anterior to the diaphragm which is subdivided into two two pleural cavities
the thin layer of mesodermal epithelium that encloses each of the abdominal organs
a thin layer of mesodermal epithelium that covers the inner surface of the body wall
specialized circular muscle that regulates the passage of material from the stomach into the small intestine.
the junction between the small and large intestine that regulates passage of materials into the large intestine8
the ductus arteriosus ceases to function after birth and gradually degenerates to form this fibrous cord
the temporary opening in which blood passes from the right atrium into the left atrium. located in the median wall of the heart.
the former site of the foramen ovale. appears as an oval depression in the medial wall of the heart of the adult pig
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