| register | 1. A written account or entry; an official or formal enumeration, description, or record; a memorial record; a list or roll; a schedule. "As you have one eye upon my follies, . . . Turn another into the register of your own." (Shak) 2. A record containing a list and description of the merchant vessels belonging to a port or customs district. A certificate issued by the collector of customs of a port or district to the owner of a vessel, containing the description of a vessel, its name, ownership, and other material facts. It is kept on board the vessel, to be used as an evidence of nationality or as a muniment of title. 3. [Cf. LL. Registrarius. Cf. Regisrar] One who registers or records; a registrar; a recorder; especially, a public officer charged with the duty of recording certain transactions or events; as, a register of deeds. 4. That which registers or records. Specifically: The part of a telegraphic apparatus which records automatically the message received. A machine for registering automatically the number of persons passing through a gateway, fares taken, etc.; a telltale. 5. A lid, stopper, or sliding plate, in a furnace, stove, etc, for regulating the admission of air to the fuel; also, an arrangement containing dampers or shutters, as in the floor or wall of a room or passage, or in a chimney, for admitting or excluding heated air, or for regulating ventilation. 6. The inner part of the mold in which types are cast. The correspondence of pages, columns, or lines on the opposite or reverse sides of the sheet. The correspondence or adjustment of the several impressions in a design which is printed in parts, as in chromolithographic printing, or in the manufacture of paper hangings. See Register. 7. The compass of a voice or instrument; a specified portion of the compass of a voice, or a series of vocal tones of a given compass; as, the upper, middle, or lower register; the soprano register; the tenor register. In respect to the vocal tones, the thick register properly extends below from the F on the lower space of the treble staff. The thin register extends an octave above this. The small register is above the thin. The voice in the thick register is called the chest voice; in the thin, the head voice. Falsetto is a kind off voice, of a thin, shrull quality, made by using the mechanism of the upper thin register for tones below the proper limit on the scale. A stop or set of pipes in an organ. Parish register, A book in which are recorded the births, baptisms, marriages, deaths, and burials in a parish. Synonym: List, catalogue, roll, record, archives, chronicle, annals. See List. Origin: OE. Registre, F. Registre, LL. Registrum,regestum, L. Regesta, pl, fr. Regerere, regestum, to carry back, to register; pref. Re- re- + gerere to carry. See Jest, and cf. Regest. Source: Websters Dictionary (01 Mar 1998) |
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| half register | <molecular biology> A misalignment between two identical sets of repeating units of nucleotides within two copies of the same chromosome (one set of repeating units per copy of the chromosome), where repeating unit A from one set is inappropriately aligned with repeating unit B on the other set, so that ABABAB on one set would be aligned with BABABA on the other set instead of the correct ABABAB with ABABAB. (13 Nov 1997) |
| absorber head | Portion of a rebreathing anaesthesia circuit that contains carbon dioxide absorbent; often referred to as a canister. (05 Mar 2000) |
| anterior ligament of head of fibula | A ligament uniting the anterior part of the head of the fibula to the tibia. Synonym: ligamentum capitis fibulae anterius. (05 Mar 2000) |
| anterior rectus muscle of head | <anatomy, muscle> Origin, transverse process and lateral mass of atlas; insertion, basilar process of occipital bone; action, turns and inclines head forward; nerve supply, ventral primary ramus of first and second cervical spinal nerve. Synonym: musculus rectus capitis anterior, anterior rectus muscle of head, musculus rectus capitis anticus minor. (05 Mar 2000) |
| apex of head of fibula | The pointed upper end of the fibular head to which is attached the arcuate popliteal ligament and part of the biceps femoris tendon. Synonym: apex capitis fibulae, styloid process of fibula. (05 Mar 2000) |
| articular pit of head of radius | The depression on the top (superior surface) of the head of the radius for articulation with the capitulum of the humerus. Synonym: fovea articularis capitis radii, articular pit of head of radius. (05 Mar 2000) |
| articular surface of head of fibula | The flat circular surface on the head of the fibula for articulation with the corresponding facet on the lateral condyle of the tibia. Synonym: facies articularis capitis fibulae. (05 Mar 2000) |
| articular surface of head of rib | An articular surface on the head of a rib that articulates with the body of a vertebra. Synonym: facies articularis capitis costae. (05 Mar 2000) |
| big-head | 1. In horses, usually denotes osteodystrophia fibrosa. 2. Gas gangrene infection of tissues of the head, caused by Clostridium novyi in sheep, usually young rams with head wounds. 3. Photosensitization in sheep. 4. An acute disease of young rams caused by the Clostridium novyi, C. Sordellii or, rarely, C. Chauvoei and characterised by a nongaseous, nonhemorrhagic, edematous swelling of the head and neck. (05 Mar 2000) |
| bulldog head | The broad head with high vault occurring in achondroplasia. (05 Mar 2000) |
| radial head | The name applied to a head of origin of a muscle arising from the radius. Nomina Anatomica no longer lists any muscles as having radial heads, although formerly a radial head was listed for the flexor digitorum superficialis muscle Synonym: caput radiale. (05 Mar 2000) |
| radial head subluxation | Subluxation of the radial head within the elbow joint is also referred to as nursemaid's elbow. This orthopaedic condition is seen commonly in toddlers who may be lifted up by outstretched arms. Instability of the radial head leads to subluxation. The child with nursemaid's usually has their arm in hanging in extension at their side and any attempted movement of the elbow joint is met with pain. (27 Sep 1997) |
| radiate ligament of head of rib | The radiate, stellate, or anterior costovertebral ligament connecting the head of each rib to the bodies of the two vertebrae with which it articulates. Synonym: ligamentum capitis costae radiatum, ligamentum radiatum, radiate ligament, stellate ligament. (05 Mar 2000) |
| regions of head | The topographical division of the cranium in relation to the bones of the cranial vault; the regions include frontal, parietal, occipital, and temporal. Synonym: regiones capitis. (05 Mar 2000) |