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planarians

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Journal Articles
The American Biology Teacher (2017) 79 (3): 208–223.
Published: 01 March 2017
... inexpensive, commercially available planarian species indigenous to North America: Girardia sp ., Dugesia dorotocephala , Phagocata morgani , and Phagocata gracilis . These planarians are fast and robust regenerators, and can easily be maintained in the classroom. The activities presented here can be used to...
Journal Articles
The American Biology Teacher (2019) 81 (6): 430–434.
Published: 01 August 2019
... for middle school students participating in an after-school program to assist them with designing their own experiment using planarians (flatworms) exposed to caffeine, sugar, and an energy drink. Results indicated that the average velocity of the planarians in 1 mM caffeine, 1 mM sucrose, and 0.1...
Includes: Supplementary data
Images
Effects of sucrose and caffeine on <b>planarians</b>&#x27; motility.   Figure 1. Effect...
Published: 01 August 2019
Figure 1. Effects of sucrose and caffeine on planarians' motility. Figure 1. Effects of sucrose and caffeine on planarians' motility. More
Images
Effects of Monster Energy drink on <b>planarians</b>&#x27; motility.   Figure 2. Effect...
Published: 01 August 2019
Figure 2. Effects of Monster Energy drink on planarians' motility. Figure 2. Effects of Monster Energy drink on planarians' motility. More
Journal Articles
The American Biology Teacher (1956) 18 (3): 124–127.
Published: 01 March 1956
...Libbie H. Hyman Citations Stringer, Caroline. 1917. The means of locomation in planarians. Proc. Nation. Acad. Sciences U.S.A., vol. 3. Stringer 3 Proc. Nation. Acad. Sciences U.S.A. 1917 Willey, C. H., and P. A. Kirschner. 1938. Studies on the flame cells of Euplanaria maculata...
Images
(A)  Live images of control and  ß-catenin(RNAi)  <b>planarians</b> following pre-...
Published: 01 March 2017
Figure 13. (A) Live images of control and ß-catenin(RNAi) planarians following pre- and post-pharyngeal amputation for each species: Girardia sp. , D. dorotocephala , P. morgani , and P. gracilis. An ectopic head regenerated from the posterior wound is visible in Girardia sp More
Images
<b>Planarian</b> identification key. The <b>planarian</b> species  S. mediterranea, Girar...
Published: 01 March 2017
Figure 4. Planarian identification key. The planarian species S. mediterranea, Girardia sp., D. dorotocephala, P. morgani , and P. gracilis are distinguishable by their head shapes and body pigmentation. Scale bars = 500 μm. A color version of this figure can be viewed online. Figure 4 More
Journal Articles
The American Biology Teacher (1973) 35 (5): 287.
Published: 01 May 1973
...Blossom Stephens Copyright 1973 National Association of Biology Teachers R eports - Current Topics -Queries ISOLATED PHARYNX OF A PLANARIAN Peristalsis of the isolated pharynx of a planarian is a dramatic sight under the low-power microscope. According to L. H. Hyman (1951: The Invertebrates...
Journal Articles
The American Biology Teacher (1969) 31 (3): 168–173.
Published: 01 March 1969
... physiology of the Planaria maculata, with especial reference to the phenomena of regeneration. Am. J. Physiol., 5:1-55. Bardeen 1 5 Am. J. Physiol. 1901 .- 1902. Embryonic and regenerative develop- ment in planarians. Biol. Bull., 3:262-288. 10.2307/1535546 262 BEADLE, G. and M. BEADLE...
Images
Generic <b>planarian</b> illustrating external and internal anatomy. The eyes, mou...
Published: 01 March 2017
Figure 2. Generic planarian illustrating external and internal anatomy. The eyes, mouth, pharynx, gut, brain, ventral nerve cords, and protonephridia are shown. A color version of this figure can be viewed online. Figure 2. Generic planarian illustrating external and internal anatomy. The eyes More
Images
Colorimetric WISH of  Girardia sp.  genes illustrating <b>planarian</b> anatomy:  ...
Published: 01 March 2017
Figure 9. Colorimetric WISH of Girardia sp. genes illustrating planarian anatomy: piwi-1 (neoblasts), ifb (D/V edge), slit (midline), sfrp-1 (anterior end), frizzled-like (posterior end), pc2 (nervous system), opsin-like (eyes), porcupine-like (gut branches), laminin-like More
Images
Colorimetric WISH of  D. dorotocephala  genes illustrating <b>planarian</b> anatom...
Published: 01 March 2017
Figure 10. Colorimetric WISH of D. dorotocephala genes illustrating planarian anatomy: piwi-1 (neoblasts), ifb (D/V edge), slit (midline), sfrp-1 (anterior end), frizzled-like (posterior end), pc2 (nervous system), opsin-like (eyes), porcupine-like (gut branches), laminin-like More
Images
Colorimetric WISH of  P. morgani  genes illustrating <b>planarian</b> anatomy:  pi...
Published: 01 March 2017
Figure 11. Colorimetric WISH of P. morgani genes illustrating planarian anatomy: piwi-1 (neoblasts), ifb (D/V edge), slit (midline), sfrp-1 (anterior end), frizzled-like (posterior end), pc2 (nervous system), opsin-like (eyes), tnxb (gut branches), laminin-like (pharynx More
Images
Colorimetric WISH of  P. gracilis  genes illustrating <b>planarian</b> anatomy:  p...
Published: 01 March 2017
Figure 12. Colorimetric WISH of P. gracilis genes illustrating planarian anatomy: piwi-1 (neoblasts), ifb (D/V edge), slit (midline), sfrp-1 (anterior end), frizzled-like (posterior end), pc2 (nervous system), opsin-like (eyes), porcupine-like (gut branches), laminin-like More
Journal Articles
The American Biology Teacher (2019) 81 (9): 680–685.
Published: 01 December 2019
... Phylogenetic reconstruction............................1.32-I Physics............................7.485-I Physiology............................6.449-TT, 7.520-TT Pitfall trap............................4.234-RL Place-based learning............................7.503-I Planarians...
Images
All panels depict the non-commercially available species  Schmidtea mediter...
Published: 01 March 2017
Figure 3. All panels depict the non-commercially available species Schmidtea mediterranea . (A) Colorimetric whole mount in situ hybridization (WISH) detects piwi-1 gene expression and illustrates planarian neoblast (stem cell) distribution. (B) Regeneration time course after head More
Images
Distribution of regenerative capacities amongst animals. Bold orange: phyla...
Published: 01 March 2017
Figure 1. Distribution of regenerative capacities amongst animals. Bold orange: phyla with animals displaying robust regeneration abilities, i.e., Cnidarians (e.g., hydra), Mollusks (e.g., snails), Annelids (e.g., earthworms), Platyhelminthes (e.g., planarians) and Echinoderms (e.g., starfishes More
Images
P. morgani  regeneration time courses at room temperature after three amput...
Published: 01 March 2017
contractions. The white color of the worms makes the observation of blastema formation challenging, but at 3 dpa, a transparent area of new growing tissues is distinguishable. The regeneration of the pharyngeal cavity corresponds to the transparent area in the middle of the planarian body (3 dpa). At 5 dpa More
Images
P. gracilis  regeneration time courses at room temperature after three ampu...
Published: 01 March 2017
planarians and almost no ability to remodel and resize its old tissues. At 14 dpa the regenerated tissues remain less pigmented than the original fragment. At 31 dpa, body pigmentation has almost recovered, but body plan scale and proportion has not been fully reestablished. Scale bars = 500 μm. A color More
Journal Articles
The American Biology Teacher (2017) 79 (9): 787–791.
Published: 01 November 2017
... Biology with Planarians............................3:208-I Investigating Aquatic Insect Emergence: A Demonstration of the 5E Learning Cycle............................3:225-I Using Drosophila to Study How Genes Control Cell Migration............................4:282-I Teaching the Hardy...