online medical dictionary | definition of pg

<abbreviation>

<networking> The country code for Papua New Guinea.

(01 Apr 1999)

<abbreviation>

1. Prostaglandin.

2. Symbol for picogram.

3. Used as an abbreviation with numerical subscripts according to structure, often used for prostaglandins. Letters A, B, etc. indicate the nature of the cyclopentane ring (substituents, double bonds, orientation); numerical subscripts indicate the number of double bonds in the alkyl chains.

(05 Mar 2000)