TXDEX 



633 



Oral glands, cells of, 226 



crescents of Gianuzzi, 227 

 demilunes of Hcidenhain, 227 

 mixed glands, 226 

 mucous glands, 226 

 serous glands, 226 

 technic of, 228 

 Orange G, 20 

 Organ an, 153 



of Corti, 586, 589 



acoustic neurones to, 481 



cells of Claudius of, 587 



Corti's arches, 587 

 tunnel, 587 



Deiter's cells, 587 



hair or auditory cells, 587 



Hensen's cells, 587 



lamina reticularis of, 587 



Nuel's space of, 587 



phalangeal processes, 587 



pillar cells, 586 

 of Giraldcs (paradidymis), 348, 383 

 of hearing, 578; see also Ear 



blood-vessels of, 588 



development of, 589 



ear, external, 578 

 internal, 580 

 middle, 579 



lymphatics, 588 



nerves, 588 



technic of, 590 

 of smell, 590 



olfactory bulb, 591 

 mucosa, 590 

 tract, 592 



technic of, 592 

 of taste, 593 



cells of, 593 



foliate papillffi, 593 



gustatory canal, 593 



intergeminal fibres of, 593 



intrageminal fibres of, 593 



taste buds, 231, 232, 438, 439, 593 



technic of, 593 

 of vision, 554 



blood-vessels of, 571 



development of, 575 



eyeball or bubus oculi, 554 



eyelid, 573 



.lacrymal apparatus, 573 



lens, 570 



lymphatics of, 572 



Organ of vision, nerves of, 572 

 neurone systems of, 566 

 optic nerve, 479, 526, 530, 565 

 technic of, 576 



of Zuckerkandl, 418 

 Organs, the, 153 



of Golgi, peripheral nerve termina- 

 tions in, 440 

 Orth's lluid (formalin-Muller's), 7 

 Osmic acid as a fixative, 8 



action on fat, 8 

 on myelin, 8 



stain for fat, 31 

 Osmosis, 47 

 Osseous labyrinth, 580 

 Ossicles of middle ear, 580 

 Ossification, 85 



centres, J03 



endochondral, 203, 205 



intracartilaginous, 205 



intramembranous, 203 



subpcrichondral, 207 



subperiosteal, 207 

 Osteoblasts, 203, 240 

 Osteoclasts, 198, 204, 240 

 Osteogenetic tissue, 203 

 Otic ganglion, 442 



vesicle, 589 

 Otocyst, 589 

 Otolithic membrane, 581 

 Otoliths, 581 



Oval bundle of Flechsig, 467 

 Ovary, the, 358 



blood-vessels of, 369 



corpora lutea, of pregnancy, 366- 

 spuria, 366 

 vera, 366 



corpus albicans, 366 

 haemorrhagicum, 365 

 luteum, 365 



cortex of, 359 



development of, 382 



egg nest, 360 



epoophoron, 369 



Fallopian tube, 359, 370 



germinal epithelium of, 360- 



Graafian follicles, 360 



hsematoidin crystals, 366 



hilum of, 359 



lutein cells, 365 



lymphatics of, 369 



medulla of, 359 



