| pectorodorsalis muscle | <anatomy> An anomalous muscle or tendinus slip that passes across the axilla from the pectoralis major to insert with the latissimus dorsi onto the humerus. Though to be a vestige of the panniculus carnosus muscle of lower mammals. Synonym: axillary arch muscle, axillary arch, pectorodorsal muscle. (05 Mar 2000) |
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| pectorophony | Synonym: pectoriloquy. Origin: L. Pectus, chest, + G. Phone, voice (05 Mar 2000) |
| pectose | <chemistry> An amorphous carbohydrate found in the vegetable kingdom, especially. In unripe fruits. It is associated with cellulose, and is converted into substances of the pectin group. Origin: Pectic + cellulose. Source: Websters Dictionary (01 Mar 1998) |
| pectosic | <chemistry> Of, pertaining to, resembling, or derived from, pectose; specifically, designating an acid supposed to constitute largely ordinary pectin or vegetable jelly. Source: Websters Dictionary (01 Mar 1998) |
| pectostraca | <zoology> A degenerate order of Crustacea, including the Rhizocephala and Cirripedia. Origin: NL, fr. Gr. Fixed + shell of a testacean. Source: Websters Dictionary (01 Mar 1998) |
| pectous | <chemistry> Of, pertaining to, or consisting of, pectose. Source: Websters Dictionary (01 Mar 1998) |
| pectus | Origin: L, the breast. <zoology> The breast of a bird. Source: Websters Dictionary (01 Mar 1998) |
| pectus carinatum | Pigeon-breasted. (12 Dec 1998) |
| pectus excavatum | Caved-in chest. Usually an unimportant isolated finding evident at birth. (Funnel chest can occasionally be part of a connective tissue disorder such as Marfan syndrome). (12 Dec 1998) |
| pectus recurvatum | Caved-in chest. Usually an unimportant isolated finding evident at birth. (Funnel chest can occasionally be part of a connective tissue disorder such as Marfan syndrome). (12 Dec 1998) |
| peculiar | 1. One's own; belonging solely or especially to an individual; not possessed by others; of private, personal, or characteristic possession and use; not owned in common or in participation. "And purify unto himself a peculiar people." (Titus II. 14) "Hymns . . . That Christianity hath peculiar unto itself." (Hooker) 2. Particular; individual; special; appropriate. "While each peculiar power forgoes his wonted seat." (Milton) "My fate is Juno's most peculiar care." (Dryden) 3. Unusual; singular; rare; strange; as, the sky had a peculiarappearance. Synonym: Peculiar, Special, Especial. Peculiar is from the Roman peculium, which was a thing emphatically and distinctively one's own, and hence was dear. The former sense always belongs to peculiar (as, a peculiar style, peculiar manners, etc), and usually so much of the latter as to involve feelings of interest; as, peculiar care, watchfulness, satisfaction, etc. Nothing of this kind belongs to special and especial. They mark simply the relation of species to genus, and denote that there is something in this case more than ordinary; as, a special act of Congress; especial pains, etc. "Beauty, which, either walking or asleep, Shot forth peculiar graces." (Milton) "For naught so vile that on the earth doth live, But to the earth some special good doth give." (Shak) Origin: L. Peculiaris, fr. Peculium private property, akin to pecunia money: cf. OF. Peculier. See Pecuniary. Source: Websters Dictionary (01 Mar 1998) |
| ped- | Foot, feet. Origin: L. Pes, foot (05 Mar 2000) |
| pedagogue | 1. A slave who led his master's children to school, and had the charge of them generally. 2. A teacher of children; one whose occupation is to teach the young; a schoolmaster. 3. One who by teaching has become formal, positive, or pedantic in his ways; one who has the manner of a schoolmaster; a pedant. Origin: F. Pedagogue, L. Paedagogus, Gr., a boy + to lead, guide; cf. Leading. See Page a servant, Agent. To play the pedagogue toward. Origin: Cf. L. Paedagogare to instruct. Source: Websters Dictionary (01 Mar 1998) |
| pedal | 1. <marine biology, zoology> Of or pertaining to the foot, or to feet, literally or figuratively; specifically, pertaining to the foot of a mollusk; as, the pedal ganglion. 2. Of or pertaining to a pedal; having pedals. <geometry> Pedal curve or surface, an organ which has pedals or a range of keys moved by the feet; that portion of a full organ which is played with the feet. Origin: L. Pedalis, fr. Pes, pedis, foot. See Foot, and cf. Pew. 1. <mechanics> A lever or key acted on by the foot, as in the pianoforte to raise the dampers, or in the organ to open and close certain pipes; a treadle, as in a lathe or a bicycle. 2. <geometry> A pedal curve or surface. Origin: Cf. F. Pedale, It. Pedale. See Pedal. Source: Websters Dictionary (01 Mar 1998) |
| pedal system | Efferent fibres connecting the forebrain with more caudal structures. (05 Mar 2000) |