TYLOSIS 



1566 



TYPHLO-ENTERITIS 



Tylosis (ti-lo'-sis) [rv?iOg, a callosity]. I. A form of 

 blepharitis in which the lid-edge is thickened and 

 hardened. See, also, Callositas. 2. In biology, a 

 protuberance of the wall of a plant-cell through the 

 pit in the wall of an adjacent duct. T. palmae vel 

 palmaris, a synonym of callosity of the palm. T. 

 plantae vel plantaris, a callosity occurring on the foot. 



Tylosteresis (ti-lo-ster-e'-sis) \rvkoq, knot ; crepelv, to 

 deprive]. Extirpation or removal of a callosity. 



Tylotic (H-loP-ik) [rivloc, a knot]. Pertaining to, af- 

 fected with, or of the nature of tylosis. 



Tylus (ti'-lus) [rblog, a knob : //. , Tyli\. In biology, 

 a median projection of the upper surface of the 

 head of certain insects. 



Tympan (tim' -pan) [riifinavov, a drum]. A tym- 

 panum. 



Tympanal (tim'-pan-al). See Ring, Tympanic. 

 T. Organs, peculiar sense-organs found in cer- 

 tain insects (Saltatoria). They have long been 

 universally regarded as auditory organs, although 

 the animals continue to hear after their removal. 

 See Chordotonal. 



Tympanic (tim - pan' '- ik) [rvp.navov, a drum]. 

 Pertaining to the tympanum. T. Bone, the 

 thin roof or plate of bone separating the tym- 

 panic and cranial cavities. T. Membrane. 

 See Membrane. T. Orifice. See Orifice. T. 

 Plate. See Plate. T. Resonance, tympan- 

 itic resonance. T. Ring. See Ring. T. Teg- 

 men, the bony plate forming the roof of the 

 tympanum . 



Tympanichord (tim-pan' -ik-ord) [ tvwkovov, a 

 drum; xopdi], a string]. The chorda tympani, 

 a branch of the facial nerve. 



Tympanichordal ( tim -pan - ik - or'- dal ) [rvp.- 

 iravov, a drum; X P$V> a string]. Pertaining 

 to the tympanichord. 



Tympanicity (tim-pan-is'-it-e)[rbfj.Tra.vov, drum]. 

 The quality of being tympanic. 



Tympaniform ( tim'- pan - if- orm ) [rbfirravov, 

 drum; forma, form]. Shaped like a tym- 

 panum. 



Tympanism (tim' -pan-ism) \rvp.navov, drum]. 

 Distention with gas ; tympanites. 



Tympanites (tim-pan-i'-tez) [riifinavov, drum]. 

 The symptom popularly known as " drum- 

 belly," a distention of the abdominal walls 

 caused by paralysis of the muscular coat of the intes- 

 tines and their inflation with gas. T._, Acute, that 

 due to intestinal irritation. T. hysterica, enormous 

 distention of the abdomen in hysteria. T. universalis, 

 general emphysema. 



Tympanitic (tim-pan- it' -ik) [rb/nravov, drum]. I. 

 Caused by, associated with, or exhibiting tympan- 

 ites. 2. Applied to a percussion -note like that pro- 

 duced by percussing a tympanitic abdomen. 



Tympanitis (timpan-i'-tis) [rvtnravov, drum; trig, in- 

 flammation]. Inflammation of the tympanum, or mid- 

 dle ear. See Otitis media. 



Tympanodisc. The membrana tympani. 



Tympano-Eustachian (tim-pan-o-u sta'-ke-an) [rvfin- 

 avov, drum; Eustachius, an anatomist] . Pertaining to 

 the tympanum and the Eustachian tube. 



Tympano-hyal (tim-pan- o- hi' -al) [rvfinavov, drum ; 

 boeidfc, hyoid]. A small cartilage of the human fetus 

 subsequently fusing with its surroundings. 



Tympano-malleal (tim-pan- o-mal'-e-al) [rb/mavov, 

 drum; malleus, hammer]. Pertaining to the tympanic 

 bone and the malleus. 



Tympano-mandibular (tim -pan - o-man -dib'- u - lur) 

 [rbfiTravov , drum ; mandible"]. Pertaining to the tym- 

 panum and the mandible. 



Tympano-occipital (tim-pan-o-ok-sip' -it-al) \Tvinravov 3 

 drum; occiput, occipital bone]. A small bone in 

 relation with the exoccipital bone and the outer ear of a 

 bird. 



Tympano-periotic (tim-pan-o-per-e-of -ik) [rvfiiravov. 

 drum; Trepi, around; ovg, ear]. Consisting of a tym- 

 panic bone united with the periotic bone proper. 



Tympano-squamosal (tim -pan - o - skwa - mo'- zaP 

 [rvfiTvavov, drum; squama, scale]. Common to the 

 tympanic and the squamosal bone. 



Tympanum (tim'-pan-um) [rufnravov, drum]. The 

 middle ear. The irregular cavity within the petrous 



Ear and Tympanum. 



Pinna, or auricle. 2. Concha. 3. External auditorv canal. 4. Mem 

 brana tympani. 5. Incus. 6. Malleus. 7. Manubrium mal 

 Tensor tympani. 9. Tympanic cavity. 10. Eustachian tubi 

 Superior semicircular canal. 12. Posterior semicircular canal. 1." 

 External semicircular canal. 14. Cochlea. 15. Internal an 

 canal. 16. Facial nerve. 17. Large petrosal nerve. iS. Vestibuki 

 branch of auditory nerve. 19. Cochlear branch. 



portion of the temporal bone communicating with th 



pharynx through the Eustachian tube. 

 Tympany (tim' -pan-e). See Tympanites. 

 Type (tip) [tvttoc a stamp]. Imprint; emblem; syi 



character. A normal average example. In path 



the distinguishing features of a fever, disease, etc. 



whereby it is referred to its proper class. 

 Typembryo (ti-pem' -bre-o) [rrrroc, type ; . 



bryo]. That stage or period in the development of .11 



embryo when the characteristics of the main t\ 



which it belongs are first discoverable. 

 Typewriters' Backache. An occupation-neurosis; 1 



is said to be best guarded against by the use of •'■ 



seat and a footstool. 

 Typhemia (ti-fe'-me-ah) [rvfyoq, smoke ; aiua, blood] 



A depraved state of the blood following typhus. 

 Typhia (ti'-fe-ah). See Fever, Typhoid. 

 Typhinia (ti-fin'-e-ah). Synonym of Relapsing i 

 Typhlitic (tif-lit'-ik) [rwpMq, the cecum ; irig, intlan : 



mation]. Pertaining to, affected with, or of the natur 



of typhlitis. 

 Typhlitis (tifli'-tis) [rv<p?i6c , cecum ; trie, inflamnji 



tion]. Inflammation of the cecum. T. stercorals 



typhlitis due to constipation. 

 Typhlo-enteritis (tif-to-en-ter-i'-tis). See Typhlitis- 



