Search results

Page title matches

• Grasshopper Development
  [[File:Grasshopper- female cartoon.jpg|thumb|Grasshopper]] ...in 912 February 2002 University of Wyoming [http://www.sidney.ars.usda.gov/grasshopper/ID_Tools/F_Guide/FieldGde.pdf USDA and the Agricultural Research Service -
  8 KB (1,113 words) - 16:17, 27 July 2015

Page text matches

• Animal Life Cycles
  ==Grasshopper Life Cycle== :'''Links:''' [[Grasshopper Development]]
  1 KB (138 words) - 16:42, 24 April 2018
• Grasshopper Development
  [[File:Grasshopper- female cartoon.jpg|thumb|Grasshopper]] ...in 912 February 2002 University of Wyoming [http://www.sidney.ars.usda.gov/grasshopper/ID_Tools/F_Guide/FieldGde.pdf USDA and the Agricultural Research Service -
  8 KB (1,113 words) - 16:17, 27 July 2015
• Animal Development
  ==Grasshopper== [[Grasshopper Development]] - The grasshopper has been used as a model in studies of neural development.
  9 KB (1,270 words) - 11:35, 21 May 2019
• Site Map
  # [[Grasshopper Development|Grasshopper]]
  8 KB (981 words) - 00:33, 31 July 2018
• Book - Outline of Comparative Embryology 1-2
  ...es it consist of the same number of cell divisions. It is said that in the grasshopper there are eight divisions in this period; thus each primordial germ cell wo ...again producing four spermatids from each primary spermatogonium. (In the grasshopper obviously there would be now 1024 descendants from each primordial germ cel
  22 KB (3,708 words) - 21:43, 23 April 2017
• Paper - the primary human oocyte - some observations on the fine structure of Balbiani's vitelline body and the origin of the annulate lamellae
  ...e had earlier observed in the nuclei of dividing cells in the ovary of the grasshopper, Stenobrothus pmtorum. He also related the “cordon” to the nuclear fila
  10 KB (1,540 words) - 09:38, 8 April 2019
• Book - Text-Book of Embryology 2
  ...ain chromosomes play an important part in the determination of sex. In the grasshopper (Stenobothrus viridulus) the somatic number of chromosomes in the male is s '''Fig. 13. Stages in the spermatogenesis of a grasshopper (Stenobothrus viridulus).''' Meek,
  31 KB (5,006 words) - 22:07, 16 February 2014
• Paper - On the number of chromosomes and the type of sex chromosomes in man (1934)
  ...polar view of the spermatogonial metaphase in Trixalis nasuta, a Japanese grasshopper, treated with diluted Flemming-Minouchi (Flemming’s strong solution ...smaller, more complicated and more difficult to preserve than those of the grasshopper.
  36 KB (5,759 words) - 09:49, 24 June 2020
• New 2010
  --[[User:S8600021|Mark Hill]] 10:44, 23 November 2010 (EST) [[Grasshopper Development]] and [[Animal Life Cycles]] template pages added.
  23 KB (2,948 words) - 23:52, 20 August 2013
• O
  ...) Order of insects including grasshoppers, locusts, katydids and crickets. Grasshopper neural development has been used as models for mechanisms of neural develop :(More? [[Grasshopper Development]] | [[Animal Development]])
  34 KB (4,568 words) - 14:13, 29 October 2018
• Book - A text-book of histology arranged upon an embryological basis (1913) 1-1
  As seen in sections, each lobe of the testis of the grasshopper contains a considerable number of closed sacs or cysts, which are filled wi FIG. 17. LOBE OF THE TESTIS OF A GRASSHOPPER. Xso. (After Davis.)
  78 KB (12,779 words) - 03:20, 9 April 2020
• Paper - On the idiosome, golgi apparatus, and acrosome in the male germ cells
  ...viz., the grasshopper (Bowen, ’22) and the moths and butterfiiesfi In the grasshopper the acrosome is apparently of the granular type (fig. 3), but all the parts
  43 KB (6,924 words) - 20:56, 6 June 2018
• Book - Text-Book of Embryology (1921) - Figures
  File:Bailey013.jpg|Fig. 13. Stages in the spermatogenesis of a grasshopper (Stenobothrus viridulus)
  21 KB (3,026 words) - 10:12, 13 January 2015
• Book - Comparative Embryology of the Vertebrates 1-3
  Fig. 69. Steps in spermatogenesis in the grasshopper. In the center of the chart is Fig. 76. Conjugate sperm of grasshopper associated temporarily to form the “sperm boat.”
  124 KB (19,012 words) - 13:00, 30 August 2017
• Book - Chemical embryology 2-11 (1900)
  ...at during their development, just as do those of Bombyx mori. Then for the grasshopper, Melanoplus differ entialis, we have the careful work of Slifer, who found Grasshopper
  70 KB (11,502 words) - 17:01, 10 March 2020
• Paper - Comparative morphology of the ear 3
  ...ble that each hair-cell is in reality a cluster of cells, as some gig. 14. Grasshopper, Caauthors have maintained; but it is more prob- cea or able that we have t
  35 KB (5,693 words) - 12:20, 6 February 2019
• Paper - Electron microscopy of the sperm tail - results obtained with a new fixative
  ...er filaments were shown to be located in one plane in the spermatozoa of a grasshopper (24), and it is probable that the same is true of sea urchin spermatozoa. T
  47 KB (7,712 words) - 10:39, 12 May 2017
• A text-book of experimental cytology (1931) 8
  ...ngeways (1922), in the oocvtes of ^istericts, and the spermatocytes of the grasshopper Dissosteira (Chambers, 1 924). Chambers’ observations on Dissosieira are
  88 KB (13,977 words) - 09:37, 12 July 2020
• Book - The Frog Its Reproduction and Development 3
  of the condition found in the grasshopper (Rhomaleum) testis. Maturation of the germ cells occurs in groups so that w
  54 KB (8,731 words) - 09:34, 12 April 2013
• Paper - Studies in mammalian spermatogenesis II. The spermatogenesis of man
  ...known quite exactly as we now know the chromosome of insects, such as the grasshopper or the dipteran, Drosophila melanogaster. A second fact brought out by fig
  63 KB (10,460 words) - 00:37, 13 May 2017
• Waddington1956 8
  ...uropteran Chrysopa, Haget (1953) on Leptinotarsa, and Krause (1953) on the grasshopper Tachycines. All these forms give evidence of a series of inductive interTHE
  56 KB (9,226 words) - 13:29, 23 November 2019
• Paper - Studies in reptilian spermatogenesis 1 (1921)
  ...for the validity of McClung's generahzation which was based on a study of grasshopper chromosomes.
  74 KB (11,894 words) - 09:40, 28 May 2020
• Book - Outline of Comparative Embryology 2-5
  ...ious forms of grouse locut promises much in the cytological analysis since grasshopper chromosomes are among the most favorable for study. The saw flies have been
  56 KB (8,541 words) - 23:04, 23 April 2017
• Book - Chemical embryology 2-6 (1900)
  ...is pomi) and Dampf, Hoffman & Varela have shown the same thing for various grasshopper's eggs. (See also Tchang and Andersen.) ...d for Bodine to show in 1929 that the water-content of the whole system in grasshopper and other orthopteran eggs rose during development. This process was eviden
  218 KB (36,414 words) - 19:00, 10 March 2020
• Paper - Oogenesis in the white mouse (1917)
  ...'16) is of interest. In tissue cultures of the testicular follicles of the grasshopper, Chorthippus curtipennis, the mitochondria were observed in the living germ
  106 KB (17,483 words) - 07:22, 28 December 2019
• Journal of Comparative Neurology 31 (1919-20)
  Disposition of pores in a grasshopper 407 Structures of pores in a grasshopper 415
  848 KB (133,806 words) - 00:29, 26 June 2020
• The cell in development and inheritance (1900) 5
  ...ode of origin have, however, been given by Calkins (earthworm) and Wilcox (grasshopper). The latter author asserts ('95) that in Caloptcnus the spireme of the fir
  119 KB (19,009 words) - 12:54, 19 March 2020
• The cell in development and inheritance (1900) 2
  ...said to be 16, and the same number is characteristic of the onion. In the grasshopper it is 12; in the hepatic Pallavicinia and some of the nematodes, 8 ; and in
  125 KB (19,684 words) - 08:15, 26 March 2020
• Book - Fathers of Biology
  Among insects, some (e.g. grasshopper, cricket, ant, etc.) produce young in the ordinary way, by the union of the
  121 KB (20,928 words) - 10:10, 19 April 2018
• Book-Fathers of biology
  Among insects, some (e.g. grasshopper, cricket, ant, etc.) produce young in the ordinary way, by the union of the
  123 KB (21,220 words) - 13:14, 19 April 2017
• Book - A text-book of histology arranged upon an embryological basis (1913) 1
  grasshopper contains a considerable number of closed TESTIS OF A GRASSHOPPER. Xso. (After
  1.2 MB (193,399 words) - 02:42, 9 April 2020
• Journal of Morphology 52 (1931)
  It was just chance that Melanoplus femur rubrum was used, ince a grasshopper of that species was the first to jump into he collecting net. Photographs o LIVING SPERM CELLS OP GRASSHOPPER
  952 KB (151,542 words) - 21:31, 21 May 2020
• Book - Comparative Embryology of the Vertebrates 2-5
  ...as the x-chromatin-element or nucleolus was, in the germ cell of the male grasshopper, a sex chromosome which carried factors involved in the determination of se
  155 KB (24,533 words) - 11:44, 7 September 2018
• Journal of Morphology 51 (1931)
  ...oups of insects in which age and weight have been used are Bodine (’21) on grasshopper, Fink (’25) on potato beetle and other insects, Krogh (’14-’15) on Te The investigation of the germ-cell history in the grasshopper has entailed a general knowledge of its embryology, regarding which referen
  1 MB (160,781 words) - 13:26, 20 December 2019
• American Journal of Anatomy 30 (1922)
  ...on the basis of conditions found in the Hemiptera, but in the case of the grasshopper the facts are as yet by no means clear. It was with the hope of clearing up plasmic elements in the grasshopper seem to be most difficult to preserve and stain satisfactorily. My observat
  900 KB (143,923 words) - 20:44, 12 August 2020
• Paper - General Embryological Information Service 1 (1949)
  FITZGERALD, L. R. Development of enzymes in grasshopper egg and embryo. Melanoplus differentialis (Orthoptera) . Illb. 2c. c. D. M. K. KRAINSKA D. Development of enzymes in grasshopper egg and em- 1. 2a.
  374 KB (57,375 words) - 15:01, 9 January 2020
• Book - Contributions to Embryology Carnegie Institution No.56-4
  ...ns of the cephalic extremity of the embryo a form resembling the head of a grasshopper. Marked maceration and dissociation were present throughout the entire body
  627 KB (101,934 words) - 07:35, 10 November 2017
• Anatomical Record 14 (1918)
  ...stine of mice. 2. Sporo zoa: a. Gregarina, several species in intestine of grasshopper and cricket. ...action of ordinary fixing agents. That the relatively stable cells of the grasshopper could be influenced bj' the almost instantaneous process . of killing did n
  948 KB (151,558 words) - 13:08, 19 June 2020
• Journal of Comparative Neurology 25 (1915)
  After the study of sections of quite a number of nerve cells from the grasshopper and cockroach, it is my opinion there is not much probability of any relati ...s no morphologic resemblance to the trophospongium which is present in the grasshopper and cockroach cells, although not so strongly developed in these insects as
  951 KB (152,829 words) - 11:35, 15 May 2020
• Journal of Comparative Neurology 8 (1898)
  ...movements. The only animal in which this was not clearly the case was the grasshopper (Pachytylus). Through lack of inhibitory impulses the motions of the animal ...ion for the other three ; the wing movements for flying in the case of the grasshopper and the bee ; the reflex actions of swimming in the case of Hydrophilus, an
  869 KB (142,706 words) - 13:12, 18 May 2020
• Journal of Morphology 47 (1929)
  ...A study of the chromosomes in meiosis, fertilization, and cleavage in the grasshopper egg (Orthoptera). Jour, Morph, and Physiol., vol. 45, pp. 47-93. ...8 A study of the chromosomes in meiosis, fertilization and cleavage in the grasshopper egg (Orthoptera). Jour. Morph, and Physiol, vol 45, pp. 47-93.
  888 KB (139,908 words) - 21:20, 21 May 2020
• Book - A text-book of histology arranged upon an embryological basis (1913) 1-3
  ...permatogenesis. Its cytological features, as observed in the testis of the grasshopper, have already been described (p. 21). Ordinary sections of the human testis
  604 KB (98,109 words) - 16:51, 9 April 2020
• American Journal of Anatomy 27 (1920)
  ...rcomeres in figure 10, drawn from a preparation of leg-muscle fiber of the grasshopper. ...isc is very conspicuous in the leg muscle of the wasp, the elater, and the grasshopper. It consists of modified
  971 KB (151,099 words) - 20:51, 12 August 2020
• Journal of Comparative Neurology 17 (1907)
  ...ants who reads Moggridge's account of the cooper- ative dismemberment of a grasshopper by ants, is certain to be reminded that any large insect dropped in the mid MoGGRiDGE [loc. eit., p. 98) tells us that the grasshopper was "too large to pass through the door, so they tried to dismember it. Fai
  1.2 MB (206,705 words) - 12:46, 8 April 2020
• Book - Chemical embryology 1 (1900) 3
  ...hydrolysis. Crozier & Stier found that the [x for various processes in the grasshopper was quite different after decapitation to what it had been before, changing
  731 KB (118,931 words) - 15:14, 10 March 2020
• Anatomical Record 11 (1917)
  ...rt in the recent observations of Chambers (33) upon spermatogenesis in the grasshopper, in ...a clear blue. This method was appMed particularly to the intestine of the grasshopper and besides differentiating the cuticula it brought out the striations of t
  1.24 MB (205,057 words) - 09:43, 29 July 2020
• Journal of Morphology 28 (1916-17)
  ...uld not have had such an origin, since the sexdetermining mechanism in the grasshopper is the accessory and not an X-Y pair. They are constant in size in a given
  1.16 MB (181,688 words) - 20:50, 21 May 2020
• Journal of Comparative Neurology 6 (1896)
  Since Viallanes' ( 88) monograph on the brain of the grasshopper {Oedopoda and Calopteiiiis) and the smaller but as excellent work of Cuccat In his work on the grasshopper (88) he was unable to find the two tracts from the outer mass, while from t
  889 KB (142,448 words) - 13:02, 18 May 2020
• Journal of Morphology 26 (1915)
  In the Tettigidae, a subfamily of the short-horn grasshopper family Acrididae, I have found, for all the species of at least four differ
  1.22 MB (205,463 words) - 20:44, 21 May 2020
• Anatomical Record 23-24 (1922)
  ...viz., the grasshopper (Bowen, '22) and the moths and butterflies.' In the grasshopper the acrosome is apparently of the granular type (fig. 3), but all the parts
  1.76 MB (289,617 words) - 09:11, 18 August 2020