| finder | <astronomy> One who, or that which, finds; specifically, a small telescope of low power and large field of view, attached to a larger telescope, for the purpose of finding an object more readily. Source: Websters Dictionary (01 Mar 1998) |
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| residual lumen | The remnants of the pituitary diverticulum that occur between the pars distalis and pars intermedia; a distinct lumen is present in some animals, but, in humans, is present only during prenatal development and sometimes in young children. Synonym: residual lumen. (05 Mar 2000) |
| irregular uterine lumen | <radiology> Synechiae, DES, post-op, neoplasm, normal variant, intravasation, endometrial hyperplasia, adenomyosis, embedded IUD, TB, uterine fistula, Gartner duct remnant (12 Dec 1998) |
| lumen | <anatomy> The cavity or channel within a tube or tubular organ. (18 Nov 1997) |