naso-oral
| free-central | A placentation in which the ovules are borne on a free-standing central placenta within the ovary. (09 Oct 1997) |
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| free electron | <radiobiology> An electron not bound to an atom, molecule, or other particle via electromagnetic forces. (09 Oct 1997) |
| free electrophoresis | Electrophoresis of substances placed in a solution in a U-shaped tube. (05 Mar 2000) |
| free energy | A thermodynamic term used to describe the energy that may be extracted from a system at constant temperature and pressure. In biological systems the most important relationship is: _G = RTln(Keq), where Keq is an equilibrium constant. (18 Nov 1997) |
| free field | A field (three-dimensional space) in a homogeneous, isotropic medium free from boundaries; in practice, a field in which boundary effects are negligible. (05 Mar 2000) |
| free flap | Island flap in which the donor vessels are severed proximally, the flap is transported as a free object to the recipient area, and the flap is revascularised by anastomosing its supplying vessels to vessels there. (05 Mar 2000) |
| free-floating anxiety | In psychoanalysis, a pervasive unrealistic expectation unattached to a clearly formulated concept or object of fear; observed particularly in anxiety neurosis and may be seen in some cases of latent schizophrenia. (05 Mar 2000) |
| free gingiva | That portion of the gingiva that surrounds the tooth and is not directly attached to the tooth surface; the outer wall of the gingival sulcus. (05 Mar 2000) |
| free graft | A graft transplanted without its normal attachments, or a pedicle, from one site to another. (05 Mar 2000) |
| free-hand knife | A manually operated knife or blade usually used to take split-thickness skin grafts; e.g., Blair-Brown knife, Humby knife, Theirsh knife. (05 Mar 2000) |
| free-hearted | Open; frank; unreserved; liberal; generous; as, free-hearted mirth. Free"-heartedly, Free"-heartedness. Source: Websters Dictionary (01 Mar 1998) |
| free induction decay | In magnetic resonance imaging, the decay curve that is detected by the radiofrequency coil after the application of an excitation pulse, without additional pulses (free). (05 Mar 2000) |
| free macrophage | An actively motile macrophage typically found in sites of inflammation. (05 Mar 2000) |
| free mandibular movements | Any mandibular movement's made without tooth interference, any uninhibited movement's of the mandible. (05 Mar 2000) |
| free margin | Unattached edge of a sturcture, often opposite the attached edge. See: free border of nail, free border of ovary. Synonym: margo liber, free margin. (05 Mar 2000) |