| filial | 1. Of or pertaining to a son or daughter; becoming to a child in relation to his parents; as, filial obedience. 2. Bearing the relation of a child. "And thus the filial Godhead answering spoke." (Milton) Origin: L. Filialis, fr. Filius son, filia daughter; akin to e. Female, feminine. Cf. Fitz. Source: Websters Dictionary (01 Mar 1998) |
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| filial generation | The offspring of a genetically specified mating: first filial generation (symbol F1), the offspring of parents of contrasting genotypes; second filial generation (F2), the offspring of two F1 individuals; third filial generation (F3), fourth filial generation (F4), etc., the offspring in succeeding generation's of continued inbreeding of F1 descendents. (05 Mar 2000) |
| filicic | <chemistry> Pertaining to, or derived from, ferns; as, filicic acid. Origin: L. Filix, -icis, a fern. Source: Websters Dictionary (01 Mar 1998) |
| filiciform | Shaped like a fern or like the parts of a fern leaf. Origin: L. Filix, -icis, fern: cf. F. Filiciforme. Source: Websters Dictionary (01 Mar 1998) |
| filicoid | <botany> Fernlike, either in form or in the nature of the method of reproduction. Origin: L. Filix, -icis, fern: cf. F. Filicoiide. <botany> A fernlike plant. Source: Websters Dictionary (01 Mar 1998) |
| filiform | Thread-like. (09 Oct 1997) |
| filiform adnatum | Congenital adhesion of the upper and lower eyelid by bands of tissue. Synonym: filiform adnatum. Origin: ankylo-+ G. Blepharon, eyelid (05 Mar 2000) |
| filiform bougie | A very slender bougie usually used for gentle exploration of strictures or sinus tracts of small diameter where false passages can be encountered or created; the entering end can consist of either a straight or spiral tip, and the trailing end usually consists of a threaded cylinder into which the screw tip of a following bougie can be inserted. (05 Mar 2000) |
| filiform nucleus | A triangular group of large magnocellular neurons in the periventricular zone of the anterior half of the hypothalamus. The cells of the nucleus are similar to those of the supraoptic nucleus; the axons of about 20% of their number join in the formation of the supraopticohypophysial tract and are functionally associated with the posterior lobe of the hypophysis; they project fibres to the brainstem nuclei (dorsal motor nucleus and solitary nucleus) and to the intermediolateral cell column of the spinal cord at thoracic, lumbar, and spinal levels; similar descending autonomic fibres arise from the lateral and posterior hypothalamic nuclei. Synonym: nucleus paraventricularis, filiform nucleus, nucleus filiformis. (05 Mar 2000) |
| filiform papillae | Curved tapering cone shaped body on the tongue of rodents, of which the epithelial cell columns have been investigated in detail. (18 Nov 1997) |
| filiform polyposis | <radiology> Benign, non-specific sequela of diffuse, severe mucosal inflammation, UC, Crohn's, XR: thin, straight filling defects, resembles stalks of polyps without heads (12 Dec 1998) |
| filiform pulse | A thready pulse. (05 Mar 2000) |
| filiform wart | A wart composed of a single or many greatly elongated papillae; appears more commonly on the face and neck. Synonym: filiform wart. (05 Mar 2000) |
| filing | Collections of related records treated as a unit; ordering of such files. (12 Dec 1998) |
| filioparental | Pertaining to a child-parent relationship. Origin: L. Filius, son, + parens, parent, fr. Pario, to give birth (05 Mar 2000) |