PG

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picogram

 (pg) [pi´ko-gram]
one trillionth (10−12) of a gram.

prostaglandin

 [pros″tah-glan´din]
any of a group of naturally occurring, chemically related, long-chain hydroxy fatty acids that stimulate contractility of the uterine and other smooth muscle and have the ability to lower blood pressure, regulate acid secretion of the stomach, regulate body temperature and platelet aggregation, and control inflammation and vascular permeability. They also affect the action of certain hormones. First found in semen, they have since been found in cells throughout the body and in menstrual fluid. There are nine types, designated by the letters A to I, the degree of saturation of the side chain of each being designated by subscripts 1, 2, and 3.

Prostaglandins are used clinically to control postpartum hemorrhage, to temporarily manage patent ductus arteriosus, and to treat impotence in men; prostaglandin injections into the amniotic sac, an in-hospital procedure, have been used as an abortion technique in pregnancies after the 16th week. About 30 minutes after an injection of prostaglandin F, contractions begin, and abortion takes place within 19 to 20 hours.

PG

Abbreviation for prostaglandin; phosphatidylglycerol; protegrin.

pg

Symbol for picogram.

pg

picogram.

PG

abbreviation for prostaglandin.

PG

1. Postgraduate.
2. Prostaglandin, see there.
3. Proteoglycan.

pg

Abbreviation for picogram.

PG

prostaglandin.

pg

picogram.
References in periodicals archive ?
Figure 1 shows a histogram comparing the propensity scores between PG and P0-13 as well as between PG-13 and R movies.
PG-13 for intense sequences of violence and action, some sexual content, language and drug references.
In the PG-13 rating category, the only area of adult content on the rise was violence," he said.
She said that parents should rely on PG-13 and R ratings as guidelines for what's appropriate for children to see.
For parents concerned with children playing discs that may not be suitable for their age, PC Theater features parental controls to limit certain film ratings (G, PG, PG-13 etc.
Walk the Line" is rated PG-13 (PG in Canada), has a running time of 135 minutes and is closed captioned for the hearing impaired.
Billy Bob Thornton brings his droll charm to the Buttermaker role, basically playing a PG-13 version of his ``Bad Santa'' character.
movies also shows nearly 80 percent of PG-13 films and 50 percent of G- and PG-rated movies are still littered with smoking.
It used to be that teens and many adults only wanted to see PG-13 or R-rated movies and that G was for little kids.
The IGN "Editors' Choice" Awards for January are: Publisher Title Rating* Buena Vista Alice in Wonderland (Masterpiece Edition) G MGM Rain Man (Special Edition) R Palm Pictures Director's Series, Vol 3 -- (The Work of Director Michel Gondry) NR Paramount Pictures Star Trek VI: The Undiscovered Country (Special Collector's Edition) PG-13 Sony Pictures Entertainment Once Upon a Time In Mexico R Universal Pictures Seabiscuit (Special Edition) PG-13 * NR = Not Rated; PG-13 = Parental Guidance Suggested Under 13; R = Restricted
There is also a massive amount of cussing - not unusual for a Jackson movie but pretty excessive for one rated PG-13.
November and December winners: Publisher Title Rating* 20th Century Fox Alien Quadrilogy R MGM Escape from New York: R Special Edition New Line Hone Lord of the Rings: The PG-13 Entertainment Two Towers (Special Extended Edition) Mondo Media Happy Tree Friends NR New Line Home Freddy vs.