LOBELIN 



342 



LOGAGNOSIA 



hemisphere. Syn., L., Tuberal ; Lobus semilunaris 

 inferior ; Posterior inferior lobe of the cerebellum, 

 L., Prefrontal, the part of the frontal lobe lying 

 anterior to the ascending gyrus. L., Presemilunar, 

 the posterior lobe of the upper surface of the cerebellum. 

 Syn., Z., Posterosuperior ; Z., Posterior superior of 

 the cerebellum ; Lobus semilunaris super/or. L., 

 Pyramidal, the bi ventral lobe. L. pyriformis. I. 

 The cuneus. 2. The pyramid of the cerebellum. L. 

 quadrangularis. I. See Z., Anteroposterior (of the 

 cerebellum). 2. The precuneus. L., Quadrate (of 

 the cerebellum). See Z., Anterosuperior. L., Quad- 

 rate (of the cerebrum). See Precuneus (Illus. 

 Diet.). Lobi reniculi, Lobi renis, in the fetal kid- 

 ney, the separate lobes which later become the mal- 

 pighian pyramids. L. retractus, the insula. L., 

 Riedel's, a linguiform proliferation of the right lobe 

 of the liver, attached by a broad base or by a neck ; it 

 may project below the costal margin for several inches. 

 It is generally due to gallstones. L., Semilunar, 

 Anterior, the anterior crescentic lobe of the cerebel- 

 lum. L., Semilunar, Inferior, the posterior inferior 

 lobe of the cerebellum. See Z., Postsemilunar. L., 

 Semilunar, Posterior, the posterior crescentic lobe 

 of the cerebellum. L., Semilunar, Superior, the 

 posterior superior lobe of the cerebellum. See Z., 

 Presemilunar. L., Small. See Z., Slender (Illus. 

 Diet. ). L., Sphenoidal, the temporosphenoidal lobe. 

 L., Sphenooccipital, the posterior lobe of the cere- 

 brum. L., Sphenotemporal. See Z., Temporo- 

 sphenoidal. L., Spinal, the flocculus. L., Square, 

 the anterosuperior lobe of the cerebellum. L., Sub- 

 peduncular, the flocculus. L., Superior (of the 

 brain), the temporosphenoidal lobe. L., Superior 

 (of the cerebellum). See Z., Anterosuperior. L., 

 Tailed, the caudate lobe of the liver. L., Temporal. 

 See Z., Temporosphenoidal. L., Temporooccipital, 

 the posteroinferior part of the middle surface of the 

 cerebral hemisphere including the fusiform lobule 

 and the inferior occipitotemporal gyrus. Syn., Lobus 

 major. L., Temporosphenoidal, it occupies the 

 middle cranial fossa and is separated from the frontal 

 lobe and partially from the parietal lobe by the sylvian 

 fissure. Syn., Superior lobe; Temporal lobe; Sphe- 

 noidal lobe. Lobi testiculi, Lobi testis, pyra- 

 midal or conoid lobules varying in size and num- 

 ber (250-400) and converging to the mediastinum, 

 which make up the glandular substance of the testis. 

 Each lobule consists of from one to six seminiferous 

 tubules. L., Thin. See Z., Slender (Illus. Diet.). 

 L., Third (of the thyroid gland). See Pyramid of the 

 thyroid gland. L. trapezoides, the anteroposterior 

 lobe of the cerebellum. L.s, True Optic, Spitzka's 

 name for the pregeminum. L., Tuberal, the post- 

 semilunar lobe. L., Uncinate, the uncinate gyrus. 

 L., Uvular. See Tonsilla (Illus. Diet.). 



Lobelin. (See Illus. Diet.) L. Hydrobromate, used 

 in pseudoangina pectoris and asthma. Dose, adults 

 %-6 gr. (0.05-0.4 gm.) daily; children, ]/(,-}( S r - 

 (O.OI-0.05 gm. ) daily. L. Sulfate, a yellowish- 

 white powder, soluble in alcohol and water, from the 

 leaves of Lobelia inflata, or yellow friable pieces from 

 its seeds ; used in asthma, epilepsy, etc. Dose, I gr. 

 (0.6 gm.) daily, gradually increasing to 3-8 gr. (0.2- 

 0.52 gm.) daily. Antidote, stomach siphon, emesis, 

 tannin; later, brandy, spirits of ammonia, morphin. 



Lobelism \lo-be' -lizm). Poisoning by lobelia, charac- 

 terized by excitation of the emetic and respiratory 

 centers; in severe cases death is caused by paralysis 

 of the latter. 



Lobengulhm (lo-ben'-gu-liztn). A condition marked 

 by a general increase of subcutaneous fat, associated 



with partial or complete abeyance of sex function. In 

 men there is an enlargement of the mammary glands 

 and failure of sexual appetite, and in women a cessa- 

 tion of menstruation. Syn., Lipomatosis universalis 

 asexualis. 



Lobulation. (See Illus. Diet.) L. of the Kidney, a 

 division of the kidney into lobules, as in the fetus. 



Lobule. (See Illus. Diet.) L., Fusiform, the sub- 

 collateral gyrus. L.s, Hepatic. See under Liver 

 (Illus. Diet.). L. of the Hippocampus, the unci- 

 nate gyrus. L. of the Kidney, a nialpighian pyra- 

 mid. L., Lingual (of the cerebrum), the subcalca- 

 rine gyrus. L.s of the Lung. SeeL<bes of the Lung. 

 L., Occipital, the cuneus. L.s, Orbital, the corpora 

 quadrigemina. L., Parietal, one of the two parts 

 (inferior and superior) into which the parietal lobe is 

 divided by the horizontal portion of the intraparietal 

 fissure. L., Parietal, Inferior, the portion of the 

 parietal lobe lying below the hoiizontal part of the 

 intraparietal fissure ; it is made up of the supran.arginal 

 and angular gyri and several others connecting it with 

 the occipital lobe. L., Parietal, Internal (of the 

 brain). See L., Parietal, Inferior. L. , Parietal, 

 Superior, the superior parietal gyrus ; it is the pos- 

 terior parietal lobule of Huxley and Turner. L., 

 Parietooccipital, L., Parietooccipital, Internal, 

 the cuneus. L., Posteroparietal the ascending 

 parietal gyrus. L.s, Pulmonary, the lobes of the 

 lungs. L.s, Spermatic, the lobules of the testes. 

 L., Temporal, the temporosphenoidal lobe. L., 

 Temporal, Inferior, the inferior temporal gyrus. 

 L., Triangular (of the cerebrum), the cuneus. L., 

 Upper Parietal, the superior parietal gyrus. 



Lobulus. (See Illus. Diet. ) L. auriculae, the lobe 

 of the ear. L. biventer, the biventral lobe. Lobuli 

 cerebelli spinales, Gordon's name for amygdalae 

 cerebelli. L. cerebelli tener, L. gracilis, the slender 

 lobe. L.parietalis exterior or superior, the superior 

 parietal gyrus. L. parietalis inferior, the subparietal 

 gyrus. L. posteroparietalis, the ascending parietal 

 gyrus. Lobuli renalis, the nialpighian pyramids. L. 

 rolandicus anterior, the ascending frontal gyrus. L. 

 rolandicus posterior, the ascending parietal gyrus. 

 L. semilunaris inferior. Same as Lobe, Postsemi- 

 lunar. L. semilunaris superior. See Lobe, Pre- 

 semilunar. 



Localist (lo'-kal-ist) [locus, place]. One who advo- 

 cates the origin of a disease in a local morbid process. 



Localization. (See Illus. Diet. ) L., Experimental, 

 the localization of brain-centers through experiments 

 on animals. 



Locative (loh'-at-iv) \locare, to place]. Indicating 

 relative position in a series. L. Name, one that indi- 

 cates the location of an organ or part; e. g., post cava, 



Locellate (lo-sel'-at) [locellus, a little place]. Divided 

 into locelli or little compartments. 



Locoed {lo'-kod). Affected with locoism. 



Locoism (h/ - ko-izm). See Loco-disease (Illus. Diet.). 



Locus. (See Illus. Diet.) L. Kiesselbachii. See 

 Place, KiesselbaclC s. 



Loess (les, lo'-es). A geologic formation consisting of 

 fine loam resembling that of the Rhine valley, to which 

 the name was first applied. In vast unshaded areas ot 

 northern China and Thibet, it is considered to be a 

 source of eye disease from the reflection from its yellow 

 surface. 



Loffleria {lefle , -re-ah). A disease marked by the 

 presence of Bacillus diphtheria, Klebs and I.offler, 

 without diphtheric symptoms. 



Logagnosia, Logagnosis [log-ag-no'-te-ah, -sis) [/ojoc, t 

 word; a, DOT.; yvuat( t a recognizing]. Aphasia, 

 word-blindness. 



