MACULA acustica (acoustic spot), 219 M. lutea (yellow) of retina, 243, 245 Madder, experiment with, as to growth of bone a, 334 Malpighian capsule, 115, 117 Malpighii rete, 121, 309 Mammal, embryonic growth of a, 306 Manufacture of bile acids in liver, 131 of some constituents of urine in kidney, 119 Marrow in bones, 174 Mastication, 155 formation of, 338 Matter, its changes, 20 solid, lost by perspiration, 124 passed from alimentary canal, 143 kidneys and skin, 369 Maxillary (maxilla, jaw-bone), bones, 213 Measurements, histological, 313 Meat "boiled to rags," 348 Meatus (meo, I pass) of ear, 228 Medulla oblongata (oblong marrow), arrangement of grey and white matter in, 294. decussation of impulses in, 298 effect of venous blood on, 103 injury to, result of, 19, 297, 298 nervous centre for respiration in, 97, 98, 103, 297 Medullary cavity of bones, 329 for vaso-motor nerves, 230, 297 matter of hairs, 317 Medullated nerve fibres, 360 Meibomian glands, 263 Membrane, arachnoid, 279 limiting, of eye, 244 mucous, 9 permeability of, 120, 159 of Reissner, 226 66 serous," 34, note vibration of, 231 Membranous labyrinth of ear, 217 Mesentery (uéros, middle; evrepov, intestine), 29 Metacarpal (uerà, beyond; κаρños, the wrist) bone of thumb, 182 Migratory cells, 326 390 Milk teeth, 345 Mind not the sole governor of muscle, 13 Minerals as food, 144, 145, 366 Molar (molo, I grind) teeth, 154, 346 Molecular (molecula, dim. of moles, a mass) change in cerebral substance, Murmurs, respiratory, 99 300 in stimulated nerves, 202, 216 Muscle (musculus, a little mouse), contractility of, 10, 25, 41, 171, 201 corpuscles, 350, 353 as organ and as tissue, 347. Muscles, attached to definite levers, 174 death of, 19 changes caused by, 350 Muscles, thyro-arytenoid, 195 Muscular coat of arteries, 24 fibre, breadth of, 369 fibres of the heart, 36, 174, 355 radiating, of iris, 255 sense, the, 203 tissue, development of, 353 Musical sounds, how produced, 236 notes, varying with the tension of vocal chords, 196 Myelin, 358 structure of, 357 in tactile corpuscles, 207 white matter of cord and brain composed of, 282, 294 Nerve tissue described, 355 Nerve roots, functions of, 283 Nervous apparatus, duplexity of, 278 impulse, conduction of, 289 rate of, 369 molecular change in nerve-fibres caused by, 141, 171, 203, transmitted from brain by spinal cord, 288 system, 278 as combining organ, 18 as controlling circulation, 25, 53 evaporation, 137 glandular action, 123, 141 muscular action, 283 Neuraxis, 356 respiration, 97, 103 Neurilemma (veûpov, a nerve; λéμμa, a peel or skin), 207, 356, note Nitrogen (vírpov, potash; yevváw, I produce) not absorbed by lungs, 86 starvation from lack of, 146 in nerve-fibres, 356 in unstriped muscular fibre-cells, 354 Nutrition effected by circulation of blood, 16 Nutritive foramen of bone, 329 value of food not solely measured by chemical analysis, 148, note O. OBLIQUE muscles of the eye, 188, 261, 295 Ocular spectra, 269 Odontoid (odovs, odóvтos, a tooth; eidos, form) process, 163 Odontoplasts (odoùs, a tooth; mλáσow, I form), 345 Esophagus (otow, obsolete-pépw, I bear; payeiv, to eat), 83, 152 origin of, 335 Ossicles (ossicula, a little bone) auditory, 229, 233 Osteoplasts (oσтéov, a bone; πλáσow, I form), 337 "Outness," sense of, accompanying sense of sight, 251 of smell, 266 Ovum, mammalian. described, 306 Oxidation, change to arterial blood caused by, 81 of proteid matter, 146 in tissues, the source of energy, 5 of heat, 17, 108, 136, 149 Oxygen (ogùs, acid; yevváw, I produce), absorption of, by the lungs, 17, 86. 102, 108, 133 amount of, consumed, 368 blood corpuscles apparently flattened by presence of, 64, 80 colour of arterial blood caused by, 80 combination of, with hæmoglobin, 73, 80 effect of privation of, 104 excess of, in arterial blood, 78 in excretions, 4, 148 |