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Index to letter P

pachy-

Thick.

paedo-

Child; relating to children.

-pagus

Conjoined twins.

palaeo-

Ancient.

palato-

Palate.

palin-

Again.

pan-

All-inclusive.

pancreato-

The pancreas.

papillo-

A papilla.

papulo-

A papule.

para-1

Beside; adjacent to.

para-2

Protection; parachuting.

parieto-

Body cavity; hollow structure.

-parous

Bearing; producing.

partheno-

Without fertilization.

patho-

Disease.

-pathy

Disease or disorder; treatment of disease.

patri-

Father.

-ped

Having feet of a given type or number.

pedi-

Foot.

-pedia

Compendium of information.

pedo-1

Soil or soil types.

pelvi-

The pelvis.

pene-

Almost; nearly.

-penia

Deficiency in a component of the blood.

penta-

Five; having five.

per-

Through; all over; completely.

peri-

Round; about.

pero-

Deformity.

-person

Gender-neutral alternative to ‘man’ in compounds.

peta-

In units of measurement, a factor of 1015.

-petal

Seeking; moving towards.

petro-

Rocks; petroleum.

-pexy

Surgical operation for fixing an organ in position.

phaco-

Lens of the eye; lens shaped.

phaeo-

Dusky.

phago-

Feeding, eating.

-phagy

Feeding or subsisting on a specified food.

phallo-

Penis.

-phane

Having a given appearance.

phanero-

Visible.

pharmaco-

Drugs, medicines.

pharyngo-

Pharynx.

-phasia

Speech disorder.

pheno-

Benzene compounds; showing.

-phile

Lover of or enthusiast for; having an affinity with a given thing.

philo-

Liking for a specified thing.

phlebo-

A vein.

-phobia

Extreme or irrational fear or dislike.

-phone

Sound.

phono-

Sound.

-phore

An agent, bearer, or producer of a specified thing.

phospho-

Phosphorus; light.

photo-

Light; photography.

-phrenia

Mental disorder.

phyco-

Seaweeds and algae.

-phyll

Leaf.

phyllo-

Leaf.

phylo-

Race; group.

-phyre

Porphyritic rocks.

physico-

Physical; physical and …

physio-

Nature; physiology.

physo-

Air or gas.

-phyte

A plant or plant-like organism.

phyto-

A plant.

pico-

In units of measurement, a factor of 10-12.

picro-

Bitter tasting; picric acid.

piezo-

Pressure.

pilo-

Hair.

pinni-

Wings, fins, or feathers.

pisci-

Fish.

-pithecus

Genera of fossil apes.

placo-

A plate.

plagio-

Oblique.

plano-

Level or flat.

-plasm

Growth or development; living substance; tissue.

plasmo-

Plasma or plasm.

-plasty

Reconstructive surgery.

platino-

Platinum.

platy-

Broad or flat.

-plegia

Paralysis.

pleo-

More.

pleuro-

The pleurae; the side of the body.

-plex

Having a given number of parts or units.

-ploid

The number of sets of chromosomes in a cell.

-ploitation

Commercial exploitation in film and other media.

plumbo-

Lead.

pluri-

Several.

pneumo-

The lungs; air or gas; spirit.

-pnoea

Breath, respiration.

-pod

Foot or feet.

podo-

Foot.

-poiesis

Production, formation.

poikilo-

Variegated; variable.

polio-

Tissue in the nervous system; grey matter.

-polis

A city.

politico-

Politically; political and …

poly-

Many, much.

porno-

Pornography.

poro-

A pore.

post-

After in time or order.

postero-

Posterior.

-praxia

Action; practice.

pre-

Prior to; before; earlier; in front of.

presby-

Elder; aging or old age.

preter-

More than.

pro-1

Favour or support; forwards, out, or away; substitute or deputy.

pro-2

Before in time, place, order, etc.

procto-

Anus or rectum.

prop-

A three-carbon chain of atoms.

proso-

Towards, forward, anterior.

prosopo-

Face; person.

proteo-

Protein.

proto-

Original or first; primitive or ancestral.

pseudo-

False; imitative.

psilo-

Bare, smooth.

psycho-

The mind; psychology.

-ptera

Winged animals.

pterido-

A fern.

ptero-

A wing.

pterygo-

Wing-like.

ptyalo-

Saliva; salivary gland.

pur-

Forwards, out, or away.

pycno-

Compact; dense.

pyelo-

The pelvis of the kidney.

pygo-

The buttocks.

pyloro-

The pylorus.

pyo-

Pus.

pyro-

Fire.

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