BLISTER

ture in a cell giving origin to a flagellum, as ina josome. blepharoplasty (blef’’a-ro-plas-te) [Gr. βλέφαρον eyelid + πλάσσειν to mold]. The plastic surgery of the eyelids. blepharoplegia (blef’’ar-o-ple’je-ah) (Gr. βλέφαρον eyelid + πληγή stroke]. Paralysis of an eyelid. blepharoptosis (blef’’ar-op-to’sis) [Gr. βλέφαρον eyelid + πτῶσις a fall]. Drooping of an upper eyelid from paralysis. blepharopyorrhea (blef’’ar-o-pi-o-re’ah) (Gr. λέφαρον eyelid + πύον pus + pol a flow]. Purulent ophthalmia. blepharorrhaphy (blef-ar-or’af-e) (Gr. βλέφαρον eyelid + ῥαφή seam]. The stitching together of a part of the edges of a slit between the eyelids. blepharospasm (blef’a-ro-spazm) [Gr. βλέφαρον eyelid + σπασμός spasm]. Spasm of the orbicular muscle of the eyelids. blepharosphincterectomy (blef’’ar-o-sphingter-ek’to-me) [Gr. βλέφαρον eyelid + σφιγκτήρ sphincter + Ξ ἐκτομή excision]. Excision of the sphincter of the eyelid: the operation of removing some fibers of the orbicularis muscle, together with the overlying skin: done to relieve the pre ure of the eyelid upon the cornea in blepharospasm. blepharostat (blef’a-ro-stat) (Gr. βλέφαρον eyelid +iordvat to cause to stand]. An instrument for holding the eyelids and keeping them apart during surgical operations upon the eye. blepharostenosis (blef’’ar-o-sten-o’sis) [Gr. βλέφ- apoy eyelid + στένωσις a narrowing]. An abnormal narrowing of the palpebral slit. blepharosynechia (blef’’ar-o-sin-e’ke-ah) (Gr. λέφαρον eyelid + συνέχεια a holding together]. he growing together or adhesion of the eyelids. blepharotomy (blef-ar-ot’o-me) (Gr. βλέφαρον eyelid + τομή a cut]. The surgical cutting of an eyelid. ble ed thistle (ble’sed this’). See Cricus. Ble ig’s groove (bles'igz) [Robert Ble ig, German physician, 1830-1878]. See under groove. blind (blind). Not having the sense of sight. blind-gut (blind’gut). The cecum. blindne (blind’nes). Lack or lo of sight. blue-b., color-blindne as to blue tints. Bright’s b., dimne or complete lo of sight without lesion of the retina or optic disk: seen in uremia. color-b., inability to distinguish differences of color: usually partial, and seldom or never complete. cortical b., blindne due to a lesion of the cortical visual center. day-b., vision which is better by night than by day; nyctalopia. letter-b., a state resembling word-blindne , in which individual letters, though seen, convey no meaning to the mind. mind-b. Same as psychic 6. moon-b., retinal anesthesia, said to be caused by exposure to the moon's rays during sleep. nightb., a defect of the vision more marked by night, or in a subdued light, than by day; hemeralopia. note-b., an inability to read musical notes, due to a central lesion. object-b., a condition in which objects seen make no impre ion on the mind. See also apraxia. psychic b., sight without recognition, due to some brain lesion. red-b., blindne to red tints. red-green b., inability to distinguish red and green. snow-b., dimne of vision, usually temporary, due to the glare of the sun upon snow; nip hable psi a. soul-b. Same as pevchic b. syllabic b., inability to form syllales. word-b., inability to recognize written words as the symbols of ideas. blind-spot (blind’spot). A spot on the retina where the optic nerve enters, and which is not sensitive to the light. blister (blis’ter) [L. vesic’ula]. 1. A collection of serous, bloody, or watery fluid beneath the epidermis. See bulla. 2. An agent producing a vesication. ambulant b., one that is shifted from place to Jace. b.-beetle, b.-fly. See Cantharis. biood-b., a blister having bloody contents. It may be caused by a bruise, but is often due to persistent friction. fever b., herpes labial is. flyb., a blister of cantharides. flying b., a blister applied long enough to produce redne , but not vesication. Marochetti’s b’s, small blisters seen under the tongue in hydrophobia. waterb., a blister with watery contents.