| pachyvaginitis | Chronic vaginitis with thickening and induration of the vaginal walls. Origin: pachy-+ vagina + G. -itis, inflammation (05 Mar 2000) |
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| pachyvaginitis cystica | vaginitis emphysematosa |
| pacific islands | The islands of the pacific ocean divided into micronesia, melanesia, and polynesia (including new zealand). The collective name oceania includes the aforenamed islands, adding Australia, new zealand, and the malay archipelago (indonesia). (12 Dec 1998) |
| pacific states | The geographic designation for states bordering on or located in the pacific ocean. The states so designated are alaska, california, hawaii, oregon, and washington. (u.s. Geologic survey telephone communication) (12 Dec 1998) |
| pacing catheter | A cardiac catheter with one or more electrodes at its tip which can be used to artificially pace the heart. (05 Mar 2000) |
| Pacini | Filippo, Italian anatomist, 1812-1883. See: pacinian corpuscles, Vater-Pacini corpuscles. (05 Mar 2000) |
| Pacini, Fillippo | <person> Was an Anatomist and Histologist. Appointed Professor of Anatomy and Physiology in Pisa and later (1849) in Florence. Pacini's Corpuscles, Bodies - end organs of sensory nerves - corpusculum lamellosum. They are sometimes known as Pacini-Vater corpuscles, having previously been described by Abraham Vater (q.v.) in 1741. Lived: 1812-1883. B. Pistoja, Emilia, Italy, May 25th, 1812, d. Florence, Jul 9th, 1883. (05 Dec 1998) |
| pacinian | <anatomy> Of, pertaining to, or discovered by, Filippo Pacini, an Italian physician of the 19th century. Pacinian corpuscles, small oval bodies terminating some of the minute branches of the sensory nerves in the integument and other parts of the body. They are supposed to be tactile organs. Source: Websters Dictionary (01 Mar 1998) |
| pacinian corpuscles | Rapidly adapting mechanoreceptors found in subcutaneous tissue beneath both hairy and glabrous skin. Pacinian corpuscles contain an afferent nerve fibre surrounded by a capsule with multiple concentric layers. They have large receptive fields and are most sensitive to high-frequency stimuli, such as vibration. (12 Dec 1998) |
| pacinitis | Inflammation of the pacinian corpuscles. (05 Mar 2000) |
| pack | 1. A bundle made up and prepared to be carried; especially, a bundle to be carried on the back; a load for an animal; a bale, as of goods. 2. [Cf. Peck] A number or quantity equal to the contents of a pack; hence, a multitude; a burden. "A pack of sorrows." "A pack of blessings." "In England, by a pack of meal is meant 280 lbs.; of wool, 240 lbs." 3. A number or quantity of connected or similar things; as: A full set of playing cards; also, the assortment used in a particular game; as, a euchre pack. A number of hounds or dogs, hunting or kept together. A number of persons associated or leagued in a bad design or practice; a gang; as, a pack of thieves or knaves. A shook of cask staves. A bundle of sheet-iron plates for rolling simultaneously. 4. A large area of floating pieces of ice driven together more or less closely. 5. An envelope, or wrapping, of sheets used in hydropathic practice, called dry pack, wet pack, cold pack, etc, according to the method of treatment. 6. [Prob. The same word; but cf. AS. Pcan to deceive] A loose, lewd, or worthless person. See Baggage. Pack animal, an animal, as a horse, mule, etc, employed in carrying packs. Pack cloth, a coarse cloth, often duck, used in covering packs or bales. Pack horse. See Pack animal (above). Pack ice. See def. 4, above. Pack moth, a troop of pack animals. Origin: Akin to D. Pak, G. Pack, Dan. Pakke, Sw. Packa, Icel. Pakki, Gael. & Ir. Pac, Arm. Pak. Cf. Packet. 1. To make a pack of; to arrange closely and securely in a pack; hence, to place and arrange compactly as in a pack; to press into close order or narrow compass; as to pack goods in a box; to pack fish. "Strange materials packed up with wonderful art." (Addison) "Where . . . The bones Of all my buried ancestors are packed." (Shak) 2. To fill in the manner of a pack, that is, compactly and securely, as for transportation; hence, to fill closely or to repletion; to stow away within; to cause to be full; to crowd into; as, to pack a trunk; the play, or the audience, packs the theater. 3. To sort and arrange (the cards) in a pack so as to secure the game unfairly. "And mighty dukes pack cards for half a crown." (Pope) 4. Hence: To bring together or make up unfairly and fraudulently, in order to secure a certain result; as, to pack a jury or a causes. "The expected council was dwindling into . . . A packed assembly of Italian bishops." (Atterbury) 5. To contrive unfairly or fraudulently; to plot. " He lost life . . . Upon a nice point subtilely devised and packed by his enemies." (Fuller) 6. To load with a pack; hence, to load; to encumber; as, to pack a horse. "Our thighs packed with wax, our mouths with honey." (Shack) 7. To cause to go; to send away with baggage or belongings; especially, to send away peremptorily or suddenly; sometimes with off; as, to pack a boy off to school. "He . . . Must not die" "Till George be packed with post horse up to heaven." (Shak) 8. To transport in a pack, or in the manner of a pack (i. E, on the backs of men or beasts). 9. To envelop in a wet or dry sheet, within numerous coverings. See Pack. 10. <mechanics> To render impervious, as by filling or surrounding with suitable material, or to fit or adjust so as to move without giving passage to air, water, or steam; as, to pack a joint; to pack the piston of a steam engine. Origin: Akin to D. Pakken, G. Packen, Dan. Pakke, Sw. Packa, Icel. Pakka. See Pack. Source: Websters Dictionary (01 Mar 1998) |
| package insert | <pharmacology> A form containing the indications, side effects and other relevant information known about a drug that can be found on the inside of any prescription drug container. (09 Oct 1997) |
| packaging | <molecular biology, virology> Of a virus, the process by which the genetic material is encapsulated by the coat proteins. (18 Nov 1997) |
| packed cell volume | <haematology> Measurement of the proportion of the blood occupied by the red blood cells. Normal values are 40-54% in males, 35-47% in females. (13 Nov 1997) |
| packed human blood cells | Whole blood from which plasma has been removed; may be prepared any time during the dating period of the whole blood from which it is derived, but not later than six days after the blood has been drawn if separation of plasma and cell's is achieved by centrifugation. (05 Mar 2000) |
| pacchionian depressions |
(pac
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| paca |
(pa
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| pachydermatous |
(pachy
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| pachynema |
(pachy
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| Pacini's corpuscles |
(Pa
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| PAC | in a peaceable manner |
|---|---|
| PAC | actions taken by a government to defeat insurgency |
| PAC | the act of appeasing someone or causing someone to be more favorably inclined |
| PAC | a treaty to cease hostilities |
| PAC | someone opposed to violence as a means of settling disputes |
| PAC | device used for an infant to suck or bite on |
| PAC | someone who tries to bring peace |
| PAC | the belief that all international disputes can be settled by arbitration |
| PAC | the doctrine that all violence in unjustifiable |
| PAC | someone opposed to violence as a means of settling disputes |
| PAC | opposed to war |
| PAC | opposed to war |