| Pg | nasopharyngeal electrode placement in electroencephalography; gastric pressure; pogonion; pregnancy,... |
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| NPT | Nasopharyngeal temperature |
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| UCNT | Undifferentiated carcinoma of nasopharyngeal type |
| roof of tympanum | The roof of the middle ear, formed by the thinned anterior surface of the petrous portion of the temporal bone. Its anterior edge is inserted into the petrosquamous fissure so that it can be seen as a wedge of bone subdividing that fissure into a squamo tympanic and a petrotympanic fissure. Synonym: roof of tympanum. (05 Mar 2000) |
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| roof plate | The thin layer of the embryonic neural tube connecting the alar plate's dorsally. Synonym: dorsal plate of neural tube. (05 Mar 2000) |