cap


cap
1. Any anatomic structure that resembles a c. or cover. 2. A protective covering for an incomplete tooth. 3. Colloquialism for restoration of the coronal part of a natural tooth by means of an artificial crown. 4. The nucleotide structure found at the 5′-terminus of many eukaryotic messenger RNA s, consisting of a 7-methylguanosine connected, via its 5′-hydroxyl group, by a triphosphate group to the 5′-hydroxyl group of the first nucleoside encoded by the DNA; usually symbolized as m7G5′ppp5′N, where N is nucleoside number 1 in the transcribed mRNA and is often itself methylated; the c. is added posttranscriptionally.
- acrosomal c. a collapsed membranous vesicle that covers the anterior part of the nucleus of the spermatozoon, derived from the acrosomal granule; the carbohydrate-rich substance of the c. is associated with hydrolytic enzymes that aid in sperm penetration of the zona pellucida of the ovum. SYN: head c..
- apical c. a curved shadow at the apex of one or both hemithoraces on chest x-ray; caused by pleural and pulmonary fibrosis or, on the left, by blood from a traumatic rupture of the aorta.
- cervical c. a contraceptive diaphragm that fits over the cervix uteri.
- chin c. an extraoral appliance designed to exert an upward and backward force on the mandible by applying pressure to the chin, thereby preventing forward growth.
- cradle c. colloquialism for seborrheic dermatitis of the scalp of the newborn, a red, waxy scaling seen in the third to fourth week.
- dental caps deciduous cheek teeth in the horse which remain attached to erupting permanent teeth.
- duodenal c. the first portion of the duodenum, as seen in a radiograph or by fluoroscopy. SYN: duodenal bulb.
- enamel c. the enamel covering the crown of a tooth.
- head c. SYN: acrosomal c..
- metanephric c. the concentrated mass of mesodermal cells about the metanephric bud in a young embryo; the cells of the c. form the uriniferous tubules of the permanent kidney. SYN: metanephric blastema.
- phrygian c. in cholecystography, an incomplete septum or a fold in the gallbladder, the shape of which suggests the liberty c. of the French Revolution.
- pyloric c. obsolete term for duodenal c..
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camptodactyly-arthropathy-pericarditis [syndrome]; Canada Assistance Plan; capsule; captopril; Caribbean Association of Pharmacists; catabolite gene activator protein; cell attachment protein; cellular acetate propionate; cellulose acetate phthalate; central apical part; chloramphenicol; chronic alcoholic pancreatitis; clinical access program; College of American Pathologists; community-acquired pneumonia; complement-activated plasma; compound action potential; coupled atrial pacing; cyclophosphamide, Adriamycin, and Platinol [cisplatin]; cystine aminopeptidase

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cap abbr
1) capacity
2) capsule
cap 'kap n, often attrib
1) a natural cover or top: as
a) PILEUS
b) PATELLA, KNEECAP
2) something that serves as a cover or protection esp. for a tip, knob, or end (as of a tooth)
3) Brit CERVICAL CAP
4) a cluster of molecules or chemical groups bound to one end or a region of a cell, virus, or molecule <the cell surface receptors were redistributed into \caps>
cap vb, capped; cap·ping vt
1) to invest (a student nurse) with a cap as an indication of completion of a probationary period of study
2) to cover (a diseased or exposed part of a tooth) with a protective substance
3) to form a chemical cap on <the capped end of a messenger RNA> vi to form or produce a chemical cap

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n.
a covering or a cover-like part. The duodenal cap is the superior part of the duodenum as seen on X-ray after a barium meal.

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College of American Pathologists; catabolite (gene) activator protein.

Medical dictionary. 2011.

Synonyms:

Look at other dictionaries:

  • cap — cap …   Dictionnaire des rimes

  • cap — cap·no·di·a·ce·ae; cap·no·di·um; cap·pa; cap·pagh; cap·pa·ri·da·ce·ae; cap·pa·ris; cap·pe·len·ite; cap·pel·let·ti; cap·pie; cap·po; cap·py; cap·ra; cap·ral·de·hyde; cap·rate; cap·ric; cap·ri·cor·nis; cap·ri·dae; cap·ri·fi·cate; cap·ri·fi·ca·tion; …   English syllables

  • cap — [ kap ] n. m. • XIIIe; mot provenç. « tête », lat. caput I ♦ Vx Tête. ⇒ chef. Mod. Loc. De pied en cap [ dəpjetɑ̃kap ] :des pieds à la tête. ⇒ 1. complètement. Armés de pied en cap. II ♦ 1 ♦ (1387) Pointe de terre qui s avance d …   Encyclopédie Universelle

  • Cap — (k[a^]p), n. [OE. cappe, AS. c[ae]ppe, cap, cape, hood, fr. LL, cappa, capa; perhaps of Iberian origin, as Isidorus of Seville mentions it first: Capa, quia quasi totum capiat hominem; it. capitis ornamentum. See 3d {Cape}, and cf. 1st {Cope}.] 1 …   The Collaborative International Dictionary of English

  • CAP-10 — Vue …   Wikipédia en Français

  • Cap 10 — Vue de l avion Type Avion de voltige Motorisation Moteur Lyc …   Wikipédia en Français

  • cap — Cap, m. N est pas naif Francois, Car le Francois dit chef, ce que le Gascon dit Cap, Et l Espagnol Cabo, et l Italien Capo, tous quatre issans du Latin Caput. Et combien qu envers le Gascon ce mot signifie aussi teste, ce neantmoins le Francois n …   Thresor de la langue françoyse

  • Cap — als Abkürzung steht für: Calender Access Protocol, Übermittlungsprotokoll für Kalenderdaten zwischen beliebigen Groupwareservern. CAMEL Application Part: Transportprotokoll aus der Familie des Signalling System 7 für CAMEL Anwendungen in… …   Deutsch Wikipedia

  • CAP — als Abkürzung steht für: CAP (Automobilhersteller), ehemaliger belgischer Automobilhersteller CAP (Markt), eine Supermarktkette betrieben von behinderten/benachteiligten Menschen CAP Customer Advantage Program GmbH, verantwortlich für HappyDigits …   Deutsch Wikipedia

  • Cap 24 — logo de Cap 24 Création 20 mars 2008 Disparition Octobre 2010 Slogan « La chaîne capitale » Langue …   Wikipédia en Français

  • cap — cap1 [kap] n. [ME cappe < OE cæppe & ML cappa < LL cappa, a cape, hooded cloak] 1. any closefitting head covering, brimless or with only a front visor, and made of wool, cotton, etc., as a baseball cap or overseas cap, or of muslin or lace …   English World dictionary


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