| interglobular space | One of a number of irregularly branched spaces near the periphery of the dentin of the crown of a tooth, through which pass the ramifications of the tubules; they are caused by failure of calcification of the dentin. Synonym: spatium interglobulare, interglobular space of Owen. (05 Mar 2000) |
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| interglobular space of Owen | One of a number of irregularly branched spaces near the periphery of the dentin of the crown of a tooth, through which pass the ramifications of the tubules; they are caused by failure of calcification of the dentin. Synonym: spatium interglobulare, interglobular space of Owen. (05 Mar 2000) |
| intermembrane space | <cell biology> Region between the two membranes of mitochondria and chloroplasts. On the endosymbiont hypothesis, this space would represent the original phagosome. (18 Nov 1997) |
| interocclusal rest space | The vertical distance between the opposing occlusal surfaces, assuming rest relation unless otherwise designated. Synonym: interocclusal rest space. Synonym: freeway space. (05 Mar 2000) |
| interpleural space | <anatomy> The space in the thoracic cavity behind the sternum and in between the two pleural sacs (containing the lungs). (27 Sep 1997) |
| interproximal space | The space between adjacent teeth in a dental arch; it is divided into the embrasure occlusal to the contact area, and the septal space gingival to the contact area. (05 Mar 2000) |
| interradicular space | The space between the roots of multirooted teeth. (05 Mar 2000) |
| interseptovalvular space | The interval in the developing embryonic heart between the septum primum and the left valve of the sinus venosus. (05 Mar 2000) |
| intervaginal space of optic nerve | <anatomy, nerve> The spaces within the internal sheath of the optic nerve, between the arachnoidal and pial layers, filled with cerebrospinal fluid and continuous with the subarachnoid space. Synonym: spatia intervaginalia nervi optici, intersheath spaces of optic nerve, Schwalbe's spaces. (05 Mar 2000) |
| intraretinal space | The potential cleft between the pigmented and neural layers of the retina; it represents the cavity of the embryonic optic vesicle; retinal detachment occurs by the opening of this space. (05 Mar 2000) |
| object space | <microscopy> A space within which an object could be imaged by the lens. (05 Aug 1998) |
| orthodontic space closure | Therapeutic closure of spaces caused by the extraction of teeth, the congenital absence of teeth, or the excessive space between teeth. (12 Dec 1998) |
| Tarin's space | A dilation of the subarachnoid space in front of the pons, where the arachnoid membrane stretches across between the two temporal lobes over the base of the diencephalon. See: interpeduncular fossa. Synonym: cisterna interpeduncularis, basal cistern, cisterna basalis, cisterna cruralis, Tarin's space. (05 Mar 2000) |
| Tenon's space | The space between the fascial sheath of the eyeball and the sclera. Synonym: spatium episclerale, interfascial space, spatium interfasciale, spatium intervaginale bulbi oculi, Tenon's space. (05 Mar 2000) |
| thenar space | The more medial of the central palmar spaces, bounded medially by the hypothenar compartment; related distally to the synovial tendon sheaths of digits 3 and 4 and proximally to the common flexor sheath. Synonym: medial midpalmar space, middle palmar space. (05 Mar 2000) |