Search Results for embryonic-development
1-20 of 406 Search Results for
The American Biology Teacher. 1966; 284306–307 doi: https://doi.org/10.2307/4441331
Published: 01 April 1966
.... 1942. Comparative vertebrate anatomy. University of Chicago Press, Chicago. 544 p. Romer, Alfred S. 1962. The vertebrate body. W. B. Saunders Co., New York. 627 p. Romer, Alfred S. 1945. Vertebrate paleontology. University of Chicago Press, Chicago. 600 p. A Laboratory Exercise on Embryonic Development...
in Discussion of Animal Stem Cells in the Classroom: Engaging Students through the Lens of Veterinary Medicine > The American Biology Teacher
Published: 01 August 2015
Figure 1. Embryonic stem cell development timeline. Figure 1. Embryonic stem cell development timeline. Figure 1. Embryonic stem cell development timeline. Figure 1. Embryonic stem cell development timeline. More
The American Biology Teacher. 2012; 749628–634 doi: https://doi.org/10.1525/abt.2012.74.9.6
Published: 01 November 2012
..., including the chick embryos’ natural movements, gives students a full appreciation for the complexity and wonder of development. Students can make detailed observations and drawings, and gain understanding of important principles in developmental biology. Finally, we suggest various ways in which this...
The American Biology Teacher. 2012; 749636–643 doi: https://doi.org/10.1525/abt.2012.74.9.7
Published: 01 November 2012
... review of scientific literature, hypothesis formation, experimental design, interpretation of data, and re-evaluation of the initial hypothesis. This exercise supports instruction on developmental biology, biophysics, animal research, and experimental design and is motivated by a clinically relevant...
The American Biology Teacher. 2010; 725313–314 doi: https://doi.org/10.1525/abt.2010.72.5.12
Published: 01 May 2010
... effective in a university-level developmental biology course, but it would be suitable for high school or middle school courses. Students often struggle with the abstract concepts of body axes (dorsal-ventral, anterior-posterior, medial-lateral) and anatomical planes (transverse, sagittal, and...
The American Biology Teacher. 2017; 798645–653 doi: https://doi.org/10.1525/abt.2017.79.8.645
Published: 01 October 2017
... heart of a developing chick embryo at 1.5 days (~36 hours), viewed from the ventral surface (Gray, 1918/2000). © 2000 copyright Bartleby.com, Inc. Figure 3. The developmental stages of a human heart beginning with the fusion of two endocardial tubes up to specific compartmentalization...
The American Biology Teacher. 2019; 815352–359 doi: https://doi.org/10.1525/abt.2019.81.5.352
Published: 01 May 2019
... developmental nicotine exposure on adult learning ( B ). Amanda Linskins (Seymour Community High School) examined the effect of only embryonic (Y-C) vs. lifelong (Y) exposure to tartrazine/yellow dye 5 ( C , D ). Parental permission to publish these graphs was provided. ( A ) Number of trials for fish of...
Includes: Supplementary data
The American Biology Teacher. 2019; 812120–125 doi: https://doi.org/10.1525/abt.2019.81.2.120
Published: 01 February 2019
... changes without necessarily altering the function of the key proteins, especially if changes happen early in the organism's embryonic developmental cascade ( Rebeiz & Tsiantis, 2017 ). In early development, there are many key genes that organize the body structure. These developmental control genes...
The American Biology Teacher. 2019; 81158–59 doi: https://doi.org/10.1525/abt.2019.81.1.58b
Published: 01 January 2019
.... The author explores and explains, in an understandable manner, the nature and possibilities of new biological developments, while at the same time considering how such scientific developments will challenge and redesign our world. In the first chapter, “Natural Born Mutants,” Parrington states...
The American Biology Teacher. 2018; 808561–569 doi: https://doi.org/10.1525/abt.2018.80.8.561
Published: 01 October 2018
... disc of Drosophila . Development , 128 , 331 – 339 . Frankino, W.A. , Zwaan, B.J. , Stern, D.L. & Brakefield, P.M. ( 2005 ). Natural selection and developmental constraints in the evolution of allometries . Science , 307 , 718 – 720 . Freeman, S. , Eddy, S.L. , McDonough, M...
The American Biology Teacher. 2018; 802144–151 doi: https://doi.org/10.1525/abt.2018.80.2.144
Published: 01 February 2018
... less continuously updated since 2001] . Retrieved from http://www.mobot.org/MOBOT/Research/APweb/ Sulston, J. , Schierenberg, E. , White, J. , & Thomson, J. ( 1983 ). The embryonic cell lineage of the nematode Caenorhabditis elegans . Developmental Biology , 100 , 64 – 119...
The American Biology Teacher. 2017; 799787–791 doi: https://doi.org/10.1525/abt.2017.79.9.787
Published: 01 November 2017
...............................7:584-I Using Spreadsheets to Simulate an Evolving Population............................8:635-I An Authentic Research Experience for Undergraduates in the Developmental Biology and Physiology Laboratory Using the Chick Embryonic Heart............................8:645-I A Question-Based...
The American Biology Teacher. 2017; 797584–589 doi: https://doi.org/10.1525/abt.2017.79.7.584
Published: 01 September 2017
... frame is draped with aluminum foil or an emergency blanket to create a tent that minimizes temperature fluctuations. Duration of developmental periods varies with temperature; the estimates below assume the temperature is 25°C (77°F). Maintaining the appropriate humidity is also important. Too...
The American Biology Teacher. 2017; 798615–620 doi: https://doi.org/10.1525/abt.2017.79.8.615
Published: 01 October 2017
...-positive human cells include germ cells, embryonic stem cells, certain adult stem cells, about 90 percent of cancer cells, and a few somatic cells, for example, white blood cells ( Artandi & DePinho, 2010 ). The remaining 10 percent of human cancer cells lack telomerase and maintain telomere length by...
The American Biology Teacher. 2017; 795417–420 doi: https://doi.org/10.1525/abt.2017.79.5.417
Published: 01 May 2017
... science outreach and undergraduate college settings by using normal development of the zebrafish heart. The zebrafish heart is used as a scaffold for enabling students to explore how developmental principles can inform heart repair and regeneration, as well as mechanisms that underlie heart abnormalities...
Published: 01 November 2013
). (C) N2 on pos-1 RNAi feeding strain: eggs are unhatched (thick arrow) because embryonic development is blocked. (D) Egl-1 on pos-1 : adults are bloated (“bag of eggs” phenotype, dashed arrow) because embryonic development is blocked in these egg-laying defective worms. Figure 5 ). (C) N2 on pos-1 RNAi feeding strain: eggs are unhatched (thick arrow) because embryonic development is blocked. (D) Egl-1 on pos-1 : adults are bloated (“bag of eggs” phenotype, dashed arrow) because embryonic development is blocked in these egg-laying defective worms. Figure 5 More
The American Biology Teacher. 2017; 794282–287 doi: https://doi.org/10.1525/abt.2017.79.4.282
Published: 01 April 2017
...Kevin McCormick; Leonard L. Dobens Cell migration is a basic developmental function that serves to build tissues, organs, and whole animals. Defects in cell migration are associated with birth defects and cancer, in particular the metastasis of tumors. Over the past forty years researchers have...
The American Biology Teacher. 2017; 793208–223 doi: https://doi.org/10.1525/abt.2017.79.3.208
Published: 01 March 2017
... regulate the developmental signaling network in mouse embryonic stem cells . Cell Research , 18 , 1177 – 1189 . Molina, M. D. , Neto, A. , Maeso, I. , Gomez-Skarmeta, J. L. , Salo, E. , & Cebrià, F. ( 2011 ). Noggin and noggin-like genes control dorsoventral axis regeneration in...
The American Biology Teacher. 2016; 786448–455 doi: https://doi.org/10.1525/abt.2016.78.6.448
Published: 01 August 2016
..., Louisiana State University. Dubansky, B.D. , Whitehead, A. , Miller, J.T. , Rice, C.D. & Galvez, F. ( 2013 ). Multitissue molecular, genomic, and developmental effects of the Deepwater Horizon oil spill on resident gulf killifish (Fundulus grandis) . Environmental Science & Technology...
Includes: Supplementary data
The American Biology Teacher. 2015; 779710–711 doi: https://doi.org/10.1525/abt.2015.77.9.12
Published: 01 November 2015
... integrating two processes – development of an embryo (ontogeny) and the embryo's evolution from its ancestors (phylogeny) – Haeckel formulated the Biogenetic Law in the 1860s. The law stated that the evolution of an organism was traceable by following the organism's embryonic development. Flip through...