All Words Glossary

Glossary of Anatomy Terms
beginning with letter P
Browse the Anatomy Glossary

palatal Tweet Definition of palatal Like Definition of palatal on Facebook
  1. (phonetics) articulated at the hard palate
  2. (dentistry) Of an upper tooth, on the side facing the palate.
palate Tweet Definition of palate Like Definition of palate on Facebook
  1. (Anatomy) The roof of the mouth; the uraniscus.
  2. The sense of taste.
pallium Tweet Definition of pallium Like Definition of pallium on Facebook
noun (pl=pallia, pl2=palliums)
  1. A woollen vestment conferred on archbishops by the Pope.
  2. (historic) A large cloak worn by Greek philosophers and teachers.
  3. (zoology) The mantle of a mollusc.
  4. (meteorology) A sheet of cloud covering the whole sky, especially nimbostratus.
  5. (anatomy) The cerebral cortex.
papilla Tweet Definition of papilla Like Definition of papilla on Facebook
noun (papillae)
  1. (anatomy) A nipple-like anatomical structure.
parathyroid Tweet Definition of parathyroid Like Definition of parathyroid on Facebook
noun (pluralparathyroids)
  1. The parathyroid gland.
  2. A parathyroid hormone.
  1. Situated near the thyroid gland.
  2. Pertaining to the parathyroid glands or their extracts.
paries Tweet Definition of paries Like Definition of paries on Facebook
noun (parieties)
  1. The wall of any cavity in the body.
parietal Tweet Definition of parietal Like Definition of parietal on Facebook
  1. Of or pertaining to the wall of a body part, organ or cavity.
  2. Of or pertaining to the parietal bones
Hydrochloric acid is secreted by the parietal cells of the gastric glands, located on the wall of the fundus of the stomach
parietal bone Tweet Definition of parietal bone Like Definition of parietal bone on Facebook
  1. Either of two bones that together form the sides and top of the skull.
parietal lobe Tweet Definition of parietal lobe Like Definition of parietal lobe on Facebook
  1. (anatomy) One of the four major divisions of the cerebrum of the brain.
pate Tweet Definition of pate Like Definition of pate on Facebook
noun (pluralpates)
  1. The top of the head.
He had a shiny, bald .
patella Tweet Definition of patella Like Definition of patella on Facebook
noun (pl=patellae or patellas)
  1. The sesamoid bone of the knee; the kneecap.
paunch Tweet Definition of paunch Like Definition of paunch on Facebook
  1. The stomach or abdomen of a human or animal, especially a large, protruding one.
paunchy Tweet Definition of paunchy Like Definition of paunchy on Facebook
adjective (paunchier, paunchiest)
  1. Having a paunch; having a prominent stomach; potbellied.
He exercised every day to avoid becoming in his old age.
pectoral Tweet Definition of pectoral Like Definition of pectoral on Facebook
  1. (Armor) Protective armor for a horse's breast.
  • 1786: The Poitrinal, Pectoral, or Breast Plate was formed of plates of metal rivetted together, which covered the breast and shoulders of the horse, it was commonly adorned with foliage, or other ornaments engraved or embossed. — Francis Grose, A Treatise on Ancient Armour and Weapons, page 30.
    1. (Armor) A covering or protecting for the breast.
    2. (ecclesiastical) A breastplate, esp. that worn by the Jewish high person.
    3. (ecclesiastical) A clasp or a cross worn on the breast.
    4. A medicine for diseases of the chest organs, especially the lungs.
  1. Of or pertaining to the breast, or chest; as, the pectoral muscles.
  2. Relating to, or good for, diseases of the chest or lungs; as, a pectoral remedy.
  3. (zoology) Having the breast conspicuously colored; as, the pectoral sandpiper.
pedal Tweet Definition of pedal Like Definition of pedal on Facebook
  1. A lever operated by one's foot that is used to control a machine or mechanism, such as a bicycle or piano
verb (pedals, pedalling (UK) or pedaling {US), pedalled (UK) or pedaled {US))
  1. To operate a pedal attached to a wheel in a continuous circular motion.
  2. To operate a bicycle.
  1. Of or relating to the foot.
pedate Tweet Definition of pedate Like Definition of pedate on Facebook
  1. having the characteristics of a foot
  1. (anatomy) having feet
  2. (botany) (of a leaf) having deeplu divided lobes
    • Rhymes: Rhymes:English:-eɪt, -eɪt
pelvic Tweet Definition of pelvic Like Definition of pelvic on Facebook
  1. Of, pertaining to, or in the region of, the pelvis; as, pelvic cellulitis.
pericardial Tweet Definition of pericardial Like Definition of pericardial on Facebook
  1. (cardiology) Of, or relating to the pericardium.
  2. surrounding, Surrounding or next to the heart.
pericardium Tweet Definition of pericardium Like Definition of pericardium on Facebook
noun (pericardia)
  1. (context, anatomy, cardiology) A serous membrane that surrounds the heart allowing it to contract.
perineum Tweet Definition of perineum Like Definition of perineum on Facebook
noun (perinea)
  1. (anatomy) The region between the genital area and the anus in both sexes
peripheral Tweet Definition of peripheral Like Definition of peripheral on Facebook
noun (plural:peripherals)
  1. (computing) a device, such as a printer or scanner, connected to a computer
adjective (comparative:more peripheral, superlative:most peripheral)
  1. on the periphery or boundary
  2. beside the point
  3. unimportant
  4. auxiliary
periphery Tweet Definition of periphery Like Definition of periphery on Facebook
noun (peripheries)
  1. The outside boundary or surface of something.
  2. An administrative division of Greece.
peritoneum Tweet Definition of peritoneum Like Definition of peritoneum on Facebook
noun (pl2=peritonea)
  1. (anatomy) In mammals, the serous membrane lining the cavity of the abdomen and that is folded over the viscera.
  2. (zoology) In animals, the membrane lining the coelom cavity.
peroneal Tweet Definition of peroneal Like Definition of peroneal on Facebook
  1. A type of nerve branching off the sciatic nerve, which supplies movement and sensation to the lower leg, foot and toes.
petrous Tweet Definition of petrous Like Definition of petrous on Facebook
  1. Resembling rock or stone in its hardness
  2. Of the dense portion of the temporal bone that protects the inner ear.
phalanges Tweet Definition of phalanges Like Definition of phalanges on Facebook
  1. (plural of, phalanx)
phallic Tweet Definition of phallic Like Definition of phallic on Facebook
  1. Having to do with the penis.
The Washington Monument is widely considered a symbol.
phallus Tweet Definition of phallus Like Definition of phallus on Facebook
noun (pl=phalli, pl2=phalluses)
  1. A penis, especially when erect.
  2. A representation of an erect penis symbolising fertility or potency.
pharyngeal Tweet Definition of pharyngeal Like Definition of pharyngeal on Facebook
  1. Of or pertaining to the pharynx
  2. (phonetics) articulated with the pharynx
pharynx Tweet Definition of pharynx Like Definition of pharynx on Facebook
noun (pluralpharynges or pharynxes)
  1. (anatomy) The part of the alimentary canal that extends from the mouth and nasal cavities to the larynx, where it becomes continuous with the esophagus.
philtrum Tweet Definition of philtrum Like Definition of philtrum on Facebook
noun (philtra)
  1. The shallow groove running down the center of the outer surface of the upper lip.
phlebology Tweet Definition of phlebology Like Definition of phlebology on Facebook
  1. (medicine) The study of veins and their diseases etc
pineal Tweet Definition of pineal Like Definition of pineal on Facebook
noun (pluralpineals)
  1. The pineal gland.
  1. In the shape of a pine cone.
  2. Pertaining to the pineal gland.
pineal gland Tweet Definition of pineal gland Like Definition of pineal gland on Facebook
  1. (anatomy) A small, pinecone-shaped endocrine gland found near the centre of the brain that produces melatonin.
pit Tweet Definition of pit Like Definition of pit on Facebook
  1. A hole in the ground.
  2. A seed inside a fruit; a stone or pip (Eng.) inside a fruit.
  3. A shell in a drupe containing a seed.
  4. Area at the auto racetrack used for refueling and repairing the cars during a race
  5. (music) A section of the marching band containing mallet percussion instruments and other large percussion instruments too large to march, such as the tam tam. Also, the area on the sidelines where these instruments are placed.
  6. A mine
verb (pit, t, ed)
  1. (transitive) To bring into opposition, as in "to pit one's wits against someone".
  2. (transitive) To make pits in.
Exposure to acid rain pitted the metal.
  1. (transitive) To remove the stone from a stone fruit or the shell from a drupe.
One must a peach to make it ready for a pie.
  1. (context, intransitive, motor racing) To return to the pits during a race for refuelling, tyre changes, repairs etc.
pituitary Tweet Definition of pituitary Like Definition of pituitary on Facebook
noun (pluralpituitaries)
  1. The pituitary gland.
  2. (medicine) An extract from the pituitary gland.
  1. Of or relating to the pituitary gland.
pituitary body Tweet Definition of pituitary body Like Definition of pituitary body on Facebook
  1. The controlling gland of the endocrine system; located at the base of the brain.
pituitary gland Tweet Definition of pituitary gland Like Definition of pituitary gland on Facebook
  1. (anatomy) An endocrine gland, about the size of a pea, that sits in a small, bony cavity at the base of the brain whose secretions control the other endocrine glands and influence growth, metabolism, and maturation.
pleural Tweet Definition of pleural Like Definition of pleural on Facebook
  1. of, relating to, or affecting the pleura, or the sides of the thoraxO
plexus Tweet Definition of plexus Like Definition of plexus on Facebook
noun (plural or plexuses)
  1. A network or interwoven mass, especially (anatomy) of nerves, blood vessels, or lymphatic vessels.
  • 1934: I have the sensation of being immersed in the very of life, focal from whatever place, position or attitude I take my stance. " Henry Miller, Tropic of Cancer
pocket Tweet Definition of pocket Like Definition of pocket on Facebook
  1. A bag stitched to an item of clothing, used for carrying small items.
  2. (context, sports, billiards, snooker, pool) A net or similar struture at each corner, and halfway along the edge, of a billiard table into which balls are to be struck.
  3. An enclosed volume of one substance surrounded by another.
The drilling expedition discovered a pocket of natural gas.
  1. An area of land surrounded by a loop of a river (Australian English)
  2. (aussie-rules) The area of the field to the side of the goal posts (four pockets in total on the field, one to each side of the goals at each end of the ground). The pocket is only a roughly defined area, extending from the behind post, at an angle, to perhaps about 30 metres out.
  1. To put (something) into a pocket.
  2. (context, sports, billiards, snooker, pool) To cause a ball to go into one of the pockets of the table.
  3. (slang) To take and keep (especially money) that is not one's own.
adjective (no (compar) or (superl))
  1. Of a size suitable for putting into a pocket.
pocket dictionary
poll Tweet Definition of poll Like Definition of poll on Facebook
  1. An election or a survey of a particular group.
The student council had a to see what people want served in the cafeteria.
The network hub polled the department's computers to determine which ones could still respond.
  1. a place voters cast ballots
The polls close at 8 p.m.
  1. Hair
    • 1883: w:Robert Louis Stevenson, Robert Louis Stevenson, w:Treasure Island, Treasure Island
    • : ...the doctor, as if to hear better, had taken off his powdered wig, and sat there, looking very strange indeed with his own close-cropped black .
  1. (transitive) To solicit mock votes from (a person or group).
pollex Tweet Definition of pollex Like Definition of pollex on Facebook
  1. The first, or preaxial, digit of the fore limb, corresponding to the hallux in the hind limb; the thumb. In birds, the pollex is the joint which bears the bastard wing.
polydactyl Tweet Definition of polydactyl Like Definition of polydactyl on Facebook
  1. variant spelling of polydactylous.
popliteal Tweet Definition of popliteal Like Definition of popliteal on Facebook
  1. (anatomy) of the area behind the knee.
posterior Tweet Definition of posterior Like Definition of posterior on Facebook
  1. (euphemism) The buttocks.
  1. Located behind, or towards the rear of an object.
  2. (anatomy) The caudal end of the body in quadrupeds, and the dorsal end in bipeds.
  3. (botany) Next to, or facing the main stem or axis.
  4. Following in order or in time.
postnasal Tweet Definition of postnasal Like Definition of postnasal on Facebook
  1. of, pertaining to, or located near the posterior of the nasal cavity
prepuce Tweet Definition of prepuce Like Definition of prepuce on Facebook
  1. (anatomy) the foreskin, or retractable fold of tissue covering the tip of the penis
  • 1922: Jehovah, collector of prepuces, is no more. " James Joyce, Ulysses
1985: But there are a fair number of halfway Jews " you know, those who want God without having to have their prepuces torn off to get him. " Anthony Burgess, Kingdom of the Wicked
  1. (anatomy) the corresponding part of the clitoris
pronate Tweet Definition of pronate Like Definition of pronate on Facebook
verb (pronat, ing)
  1. (transitive) To turn or rotate one"s hand so that the palm faces down or back.
  2. (intransitive) To become pronated.
  3. (intransitive) To twist the foot so that if walking the weight would be borne on the inner edge of the foot.
prostate Tweet Definition of prostate Like Definition of prostate on Facebook
noun (pluralprostates)
  1. The prostate gland.
  1. Of or relating to the prostate gland.
prostate gland Tweet Definition of prostate gland Like Definition of prostate gland on Facebook
  1. (anatomy) A gland in male mammals surrounding the urethra just below the urinary bladder that controls the release of urine from the bladder and produces a secretion that is the fluid part of semen.
prostatic utricle Tweet Definition of prostatic utricle Like Definition of prostatic utricle on Facebook
  1. (anatomy) a small pouch in the prostate opening that is homologous to the uterus
protract Tweet Definition of protract Like Definition of protract on Facebook
  1. To draw out; to extend, especially in duration.
No one wanted Nicolettte at the discussion, as she would the debate long beyond any reasonable limit with her tedious and tangential arguments.
  1. To use a protractor.
protractor Tweet Definition of protractor Like Definition of protractor on Facebook
  1. a circular or semicircular tool for measuring angles
proximal Tweet Definition of proximal Like Definition of proximal on Facebook
  1. Closest to point of attachment or observation
pubes Tweet Definition of pubes Like Definition of pubes on Facebook
  1. (slang) pubic hair
  2. (plural of, pubis)
pubic Tweet Definition of pubic Like Definition of pubic on Facebook
  1. of, or relating to the area of the body adjacent to the pubis or the pubes
pubic symphysis Tweet Definition of pubic symphysis Like Definition of pubic symphysis on Facebook
  1. (anatomy) A cartilaginous joint between the two bones of the pubis.
pubis Tweet Definition of pubis Like Definition of pubis on Facebook
noun (plural pubes)
  1. the pubic bone; the part of the hipbone forming the front arch of the pelvis
pudendum Tweet Definition of pudendum Like Definition of pudendum on Facebook
noun (pluralpudenda)
  1. (anatomy) The external genital organs in humans, especially of a woman. Usually used in the plural.
pug Tweet Definition of pug Like Definition of pug on Facebook
  1. A small dog of an ancient breed originating in China, having a snub nose, wrinkled face, squarish body, short smooth hair, and curled tail.
pulmonary Tweet Definition of pulmonary Like Definition of pulmonary on Facebook
  1. Pertaining to, having, or affecting the lungs.
pulmonary vein Tweet Definition of pulmonary vein Like Definition of pulmonary vein on Facebook
  1. (anatomy): In tetrapods, the vein that returns blood to the heart after it has circulated through the lungs.
pylorus Tweet Definition of pylorus Like Definition of pylorus on Facebook
noun (pluralpylori)
  1. (anatomy) The opening in a vertebrate, including humans, at the lower end of the stomach that opens into the duodenum.
  2. A muscular or myovascular structure that controls the opening of an orifice or lumen of an organ.

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