All articles starting with P

Palomar Observatory

Palomar Observatory is a Caltech-operated astronomical observatory on Palomar Mountain in southern California, home to the 200-inch Hale Telescope, the world's largest telescope from 1948 to 1993.

Palomar Observatory Sky Survey

The Palomar Observatory Sky Survey (POSS) is a photographic survey of the northern sky made with the 48-inch Oschin Schmidt telescope at Palomar Observatory, begun in 1949 and completed in 1958.

Palomar Technologies is a privately held American manufacturer of automated die attach, wire bonding, and vacuum reflow systems for microelectronic packaging, based in Carlsbad, California, with origins in Hughes Aircraft.

Palomar Transient Factory

The Palomar Transient Factory (PTF) was an automated optical sky survey at Caltech's Palomar Observatory, running from 2009 until 2017, that found supernovae and other transient sources.

Palomino

Palomino: a golden-coated horse color with white or flaxen mane and tail, produced by one cream allele (N/Cr) on a chestnut base; not a breed, recorded by PHBA and the Palomino Horse Association.

Palomo

Palomo, a 4,860-m glaciated stratovolcano in O'Higgins Region, central Chile (GVP 357022), built within double calderas; no known historical eruptions, middle-late Pleistocene age, lahar hazards.

Palonosetron

Palonosetron (Aloxi, RS 25259-197) is a second-generation 5-HT3 receptor antagonist antiemetic given as a single IV dose (0.25 mg CINV, 0.075 mg PONV), distinguished by a ~40-hour half-life and allosteric receptor binding.

Palopo

Palopo (Kota Palopo) is an autonomous city in South Sulawesi, Indonesia, created from Luwu Regency by Law 11/2002; 247.52 km², nine districts, about 201,000 people, trade- and service-dominated economy.

Palos de la Frontera

Palos de la Frontera is a town in Huelva province, Andalusia, Spain, called the Cradle of the Discovery of America because Columbus's 1492 first voyage sailed from its port; also known for La Rábida monastery and the Huelva chemical pole.

Palos Verdes Estates, California

A wealthy planned city in Los Angeles County, Palos Verdes Estates was designed by the Olmsted Brothers in the 1910s, incorporated in 1939, and features exclusive community living.

Palos Verdes Peninsula

Palos Verdes Peninsula, a coastal landform in Los Angeles County, California, home to the actively moving Portuguese Bend Landslide, the Palos Verdes Fault, and Olmsted-designed suburban communities and protected nature preserves.

Palouse

The Palouse: rolling loess-hill farming region of eastern Washington, northern Idaho, and northeastern Oregon, drained by the Palouse River; major dryland wheat and lentil area with severe winter soil erosion.

Palouse Falls

Palouse Falls is a 198-foot waterfall on the Palouse River in southeastern Washington, made Washington's official state waterfall in 2014 and formed by the Ice Age Missoula floods.

Palovarotene

Palovarotene (Sohonos) is a selective RAR-gamma retinoid agonist, the first FDA-approved drug (2023) for fibrodysplasia ossificans progressiva, reducing new heterotopic ossification via SMAD1/5/8 inhibition; first approved in Canada in 2022, refused by EMA.

Palpal bulb

Palpal bulb (palpal organ, genital bulb, bulbus): the male spider copulatory organ at the tip of each pedipalp, containing the spermophor; species-specific shape fits the female epigynum like a lock and key, and it was long thought nerveless until neurons were found in 2015.

Palpatine

Sheev Palpatine, also Darth Sidious, is the Star Wars saga's central villain: a Naboo senator and secret Sith Lord who becomes Supreme Chancellor, then Emperor, and returns in The Rise of Skywalker.

Palpation

Palpation is the physical examination technique of feeling the body with fingers or hands, one of four exam methods (inspection, palpation, percussion, auscultation), used for pulses, swelling, temperature, tenderness, and guiding diagnosis and treatment.

Palpitations

Palpitations: awareness of an abnormal, rapid, or irregular heartbeat, felt as fluttering or pounding in the chest or neck. A symptom, not a diagnosis; causes include arrhythmias, anxiety, thyroid disease, and drugs; evaluated with 12-lead ECG and ambulatory monitoring.