| Palade granule | <cell biology> A small particulate organelle found in prokaryotes and eukaryotes and also within mitochondria and chloroplasts, but differing in size and composition. Made of two subunits, each being an RNA protein complex. Ribosomes are responsible for the translation of mRNA which may occur in the cytoplasm (see polyribosomes) or on rough endoplasmic reticulum. Origin: Gr. Soma = body (18 Nov 1997) |
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| Palade pathway | <cell biology> The routing of proteins from the site of their synthesis to the final cellular or secreted position. Several different pathways are known and others suspected. Glycosylation of the proteins may provide specific address labels for the proteins. (18 Nov 1997) |
| Palade, George | <person> Roumanian-U.S. Cell biologist and Nobel laureate, *1912. See: Palade granule, Weibel-Palade bodies. (05 Mar 2000) |
| palaeographer | Etc. See Paleographer, Paleographic, etc. Source: Websters Dictionary (01 Mar 1998) |
| palaeographic | Etc. See Paleographer, Paleographic, etc. Source: Websters Dictionary (01 Mar 1998) |
| palaetiologist | One versed in palaetiology. Source: Websters Dictionary (01 Mar 1998) |
| palaetiology | <study> The science which explains, by the law of causation, the past condition and changes of the earth. Palaetiolog"ical. Origin: Palaeo- + aetiology. Source: Websters Dictionary (01 Mar 1998) |
| palama | Origin: NL, fr. Gr. The palm. <zoology> A membrane extending between the toes of a bird, and uniting them more or less closely together. Source: Websters Dictionary (01 Mar 1998) |
| palamedeae | <ornithology> An order, or suborder, including the kamichi, and allied South American birds; called also screamers. In many anatomical characters they are allied to the Anseres, but they externally resemble the wading birds. Source: Websters Dictionary (01 Mar 1998) |
| palanquin | An inclosed carriage or litter, commonly about eight feet long, four feet wide, and four feet high, borne on the shoulders of men by means of two projecting poles, used in India, China, etc, for the conveyance of a single person from place to place. Alternative forms: palankeen. Origin: F. Palanquin, Pg. Palanquim, Javan. Palangki, OJavan. Palangkan, through Prakrit fr. Skr. Paryaka, palyaka, bed, couch; pari around (akin to E. Pref. Peri-) + aka a hook, flank, probably akin to E. Angle fishing tackle. Cf. Palkee. Source: Websters Dictionary (01 Mar 1998) |
| palapteryx | <paleontology> A large extinct ostrichlike bird of New Zealand. Origin: Paleo- + apteryx. Source: Websters Dictionary (01 Mar 1998) |
| palatal | Relating to the palate or the palate bone. Synonym: palatine. (05 Mar 2000) |
| palatal abscess | A lateral periodontal abscess associated with the lingual surface of a maxillary tooth, an alveolar abscess that has eroded the cortical plate, allowing extension into the palatal soft tissues. (05 Mar 2000) |
| palatal bar | A major connector which crosses the palate and unites two or more parts of a maxillary removable partial denture. (05 Mar 2000) |
| palatal expander | <dentistry> A device used to make your jaw wider (08 Jan 1998) |