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11 Cards in this Set

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pericardium
membranous sac enclosing the heart
perigee
nearest point to the earth in the orbit of a satellite
perihelion
nearest point to the sun in the orbit of a planet or comet
perimeter
the whole outer boundary or measurement of a surface or figure
periodontics
branch of dentistry dealing with diseases of the bone and gum tissues supporting the teeth
peripheral
1. on the periphery; outside or away from the central part, as in peripheral vision
2. only slightly connected with what is essential; merely incidental
periphrastic
expressed in a roundabout way
periscope
instrument permitting those in a submarine a view of the surface
peristalsis
wavelike contraction of the walls of the intestines which propels contents onward
peristyle
1. row of columns around a building or court
2. the space so enclosed
peritonitis
inflammation of the peritoneum