De phaenomeno generali et fundamentali motus vibratorii continui in membranis cum externis tum internis animalium plurimorum et superiorum et inferiorum ordinum obvii : commentatio physiologica / scripserunt Joh. Ev. Purkinje et G. Valentin.

Jan Evangelista Purkyně

Date:: 1835

Credit: De phaenomeno generali et fundamentali motus vibratorii continui in membranis cum externis tum internis animalium plurimorum et superiorum et inferiorum ordinum obvii : commentatio physiologica / scripserunt Joh. Ev. Purkinje et G. Valentin. Source: Wellcome Collection.

Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.

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$omiies aniiiialium motiis musculis peifici coutendit (1. c. p. 561.). Prfeclaie O. F. Miiller citat (). c. p. 563.), motuin rotatonum respicientem: „Volvox condictor. Dex- „trorsum, ait (^Verm. terrestr. et (luviat. liist. P. I.t. p. 39.) „sinistrorsum(juelente per ^intervalla rotatur, loco tamen raro movetur. Moleculae innuinerfe, inter circulum contentse „in continuo motu et quasi in conflictu vehementi absqne omni ordine, hinc pro ma- „jori condigentium in alterum concursu sphsera aliquantisper dextrorsum vel sinistror- „sum rotatur, moleculis eandem directionem sequentibus, neque tamen auctorem bene intellexisse videtur, moleculas constitutivas moveri ratus (1. c. p. 563.). Polyporum ova natantia cum animalculis spermaticis motis coinparat (l. c. p. 574.). F. I. A. Meyen peeuliari tractatu (^historiseh - physiologische Untersuchungeu iiber selbstbewegliche Molekule der Materie in R. Brown's verm. botanischen Schrif- ten, iibers. v. Nees v. Esenbeek. Bd. iv. 1830. 8. p. 337 sqq.), qufe de animalium partibus sese moventibus exstant, relaturus, observationes a Grant (1. c. p. 449—463,), Tilesius (l. c. p. 460. 461.), tSwammerdamm (]. c. p. 464.), Leeuwenhoek (l. c. p. 465—469.), Weber (p. 469.), Steinbuch (p. 471—473.), Erman, Treviranus et Ras- pail (1. c. p. 474.), Baer (I. c. p. 474—-483.) factas refert; cui relationi de sperma- tozois xl- c. p. 488—486.), de vasorum biliferorum insectorum particulis (1. c. p. 486—487.), de molecularum in polypis circulatione (1. c. p. 487—493,) observata ad- duntur. Cum omnis tractatus, tum ea, quse nos hic tangit particula, quamvis nequa- quam perfecta sit dieenda, tamen multo labore esse eam exaratam, negare injustum sit atque improbum. 3Iolluscorum enibryonum rotationes ciliis effici jure autumat (\. c. p. 470.) seque Alcyonellse stagnorum particulas a brachiis captatoriis descissas (1. c. p. 478. 479.) et. Leucophrfe solis ciliorum longorum fragmenta libere se moventia (\. c. p. 480. 481.) observasse communicat. Ouos vero e vasis insectorum biliferis motus describit (1. c. p. 486. 487.), ii nobis motus solummodo moleculares esse videntur. Ob- servationem, a Heyden in polypis factam, ciliis effici, propriis experimentis nisus (1. c, p. 489.), neque vero in Hydrse fuscje interna brachiorum captatoriorum superficie (1. c p. 491.), neque in globulis sanguinis inesse motum vibratorium (1. c. p. 491.) 493.), jure contendit. Idem auctor liberum ovorum Alcyonellfe motum ciliis effectum esse, iterum raeminit (Isis 1830. p. 186.). W. Sharrey (t\\e Edinburgh 3Iedical and Surgical Journal Jul. 1830. Isis 1831. p. 434 sqq. Froriep's Notizen. 1830. No. 618. p. 17 sqq.) de mota vibratorio singulas easque pra^claras observationes comraunicavit, quaravis antecessorum omnium 4*$