| interatrial foramen secundum | A secondary opening appearing in the upper part of the septum primum in the sixth week of embryonic life, just prior to the closure of the interatrial foramen primum. Synonym: ostium secundum, secondary interatrial foramen. (05 Mar 2000) |
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| interatrial septum | The partition separating the upper chambers (the atria) of the heart. (12 Dec 1998) |
| interauricular | <anatomy> Between the auricles; as, the interauricular partition of the heart. Source: Websters Dictionary (01 Mar 1998) |
| interauricular arc | A line carried over the cranium from the centre of one external auditory meatus to that of the other. Synonym: interauricular arc. (05 Mar 2000) |
| interaxillary | <botany> Situated within or between the axils of leaves. Source: Websters Dictionary (01 Mar 1998) |
| interbody | Between the bodies of two adjacent vertebrae. (05 Mar 2000) |
| interbrachial | <zoology> Between the arms. Source: Websters Dictionary (01 Mar 1998) |
| interbrain | <anatomy> See Thalamencephalon. Source: Websters Dictionary (01 Mar 1998) |
| interbranchial | <zoology> Between the branchiae. Source: Websters Dictionary (01 Mar 1998) |
| interbreed | To breed by crossing different stocks of animals or plants. Source: Websters Dictionary (01 Mar 1998) |
| intercadence | The occurrence of an extra beat between the two regular pulse beats. Origin: inter-+ L. Cado, pr. P. Cadens (-ent-), to fall (05 Mar 2000) |
| intercadent | Irregular in rhythm; characterised by intercadence. (05 Mar 2000) |
| intercalary | 1. Inserted or introduced among others in the calendar; as, an intercalary month, day, etc.; now applied particularly to the odd day (Feb. 29) inserted in the calendar of leap year. See Bissextile. 2. Introduced or inserted among others; additional; supernumerary. "Intercalary spines." "This intercalary line . . . Is made the last of a triplet. <medicine>" (Beattie) Intercalary day, one on which no paroxysm of an intermittent disease occurs. Origin: L. Intercalaris, intercalarius: cf. F. Intercalaire. See Intercalate. Source: Websters Dictionary (01 Mar 1998) |
| intercalary neuron | A neuron interposed between and connecting two other neuron's. Synonym: intercalary neuron. (05 Mar 2000) |
| intercalary staphyloma | A scleral staphyloma occurring between the insertion of the ciliary body and the root of the iris. (05 Mar 2000) |