| synchondrosis spheno-occipitalis | Cartilaginous union between the body of the sphenoid and the basilar portion of the occipital; it fuses by the twentieth year; incorrectly called spheno-occipital suture. Synonym: synchondrosis spheno-occipitalis, spheno-occipital joint, spheno-occipital suture. (05 Mar 2000) |
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| synchondrosis sphenoethmoidalis | Cartilaginous union between the body of the sphenoid and the posterior part of the ethmoidal labyrinth. Synonym: synchondrosis sphenoethmoidalis. (05 Mar 2000) |
| synchondrosis sphenopetrosa | Sphenopetrous synchondrosis, fibrocartilage filling the sphenopetrosal fissure. Synonym: synchondrosis sphenopetrosa. (05 Mar 2000) |
| synchondrosis xiphosternalis | The cartilaginous union between the xiphoid process and the body of the sternum. Synonym: synchondrosis xiphosternalis. (05 Mar 2000) |
| synchondrotomy | <surgery> Symphyseotomy. Origin: Gr. Union by cartilage + to cut. Source: Websters Dictionary (01 Mar 1998) |
| synchorial | Relating to fused chorions as are found in multiple-foetus pregnancies. Origin: syn-+ chorion (05 Mar 2000) |
| synchronia | Synonym: synchronism. 2. Origin, development, involution, or functioning of tissues or organs at the usual time for such an event. Compare: heterochronia. Origin: syn-+ G. Chronos, time (05 Mar 2000) |
| synchronic | From the Greek syn-, together + chronos, time = together in time. A synchronic study is a study done all together at one point in time rather than longitudinally over the course of time. (12 Dec 1998) |
| synchronic study | <epidemiology> A study in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a representative sample at one particular time. This contrasts with longitudinal studies which are followed over a period of time. Synonym: horizontal study. (18 Jul 2002) |
| synchronised intermittent mandatory ventilation | Intermittent mandatory ventilation spontaneously initiated by the patient, to increase tidal volume, and subsequently synchronised with patient's respiratory cycle. Synonym: synchronised intermittent mandatory ventilation. (05 Mar 2000) |
| synchronism | Occurrence of two or more events at the same time; the condition of being simultaneous. Synonym: synchronia. Origin: syn-+ G. Chronos, time (05 Mar 2000) |
| synchronize | 1. To assign to the same date or period of time; as, to synchronize two events of Greek and Roman history. "Josephus synchronizes Nisan with the Egyptian Pharmus." 2. To cause to agree in time; as, to synchronize the movements of different machines; to synchronize clocks. Source: Websters Dictionary (01 Mar 1998) |
| synchronology | <study> Contemporaneous chronology. Origin: Pref. Syn- + Gr. Time. Source: Websters Dictionary (01 Mar 1998) |
| synchronous | Occurring simultaneously. Synonym: homochronous. Origin: G. Synchronos (05 Mar 2000) |
| synchronous cell population | <cell culture> A culture of cells that all divide in synchrony. Particularly useful for certain studies of the cell cycle, cells can be made synchronous by depriving them of essential molecules, which are then restored. Synchronisation breaks down after a few cycles, however, as individual cells have unique division rates. (19 Jan 1998) |