FROG DISSECTION HOW TO
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Main muscle masses are identified using uppercase abbreviations muscle attachment sites, small muscle slips and nonвЂђmuscle structures are identified using lowercase abbreviations. Hyoid musculature in ventral view (G) and posterior oblique view (H) with the skull transparent. Jaw musculature in anterolateral view (D) and transverse crossвЂђsection through the coronoid process (E), and jaw muscle attachments on the skull upper and lower jaws (F). Musculature of the right orbit in posterolateral (A) and posteromedial (B) views, and in transverse crossвЂђsection through the base of the eyeball (C). The data presented here hold enormous potential for applications beyond descriptive purposes, particularly for biological researchers using this taxon as a model organism, comparative anatomy and biomechanical modelling.ДЈD visualization Anura CT-scanning amphibians anatomy frog iodine-potassium iodide.

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Our digital dissection updates and supplements previous anatomical descriptions of this key model organism, and we present the three-dimensional data as interactive portable document format (PDF) files that are easily accessible and freely available for research and educational purposes. laevis to successfully visualize: skeletal and muscular anatomy the nervous, respiratory, digestive, excretory and reproductive systems and the major sense organs. Here, we use contrast-enhanced computed tomography to produce a high-resolution three-dimensional digital dissection of a post-metamorphic X. The relatively new method of using iodine-based agents to stain soft tissues prior to high-resolution X-ray imaging has several advantages over gross dissection, such as enabling dissection of very small and fragile specimens, and preserving the three-dimensional topology of anatomical structures. laevis skeletal and soft-tissue morphology. laevis - exhibit numerous unusual morphological features thus, anatomical descriptions of more 'typical' frogs do not detail many aspects of X. Compared with other anurans, pipid frogs - including X. laevis was produced nearly a century ago. However, the most recent anatomical description of X. All the images used in the slides are my own personal photos IвЂ™ve taken over the years.The African clawed frog, Xenopus laevis, is one of the most widely used model organisms in biological research.

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There are several virtual apps for human anatomy, but I havenвЂ™t found one for the frog that is free and high quality. Unfortunately, I donвЂ™t have the skills (or the time) to create it.

I look forward to an eventual replacement for the old Flash pages where students have a more interactive experience. I did include both male and female frogs in this exploration.

Then students examine the digestive system, circulatory system, and urogenital system. The dissections focus mainly on the external anatomy of the mouth and head. You can find all of the labeling images on this page. The in-person students will label the frog on paper, though I do provide them with a word bank.

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In both version, students will label a full image of a frog, though with slides, this was converted to a drag and drop version. Students usually work in pairs or groups of three.

FROG DISSECTION HOW TO

I use this handout with directions for students to learn about the structures found on the frog and how to cut it. Students in class will still be able to dissect a real frog specimen, though they will have the option to do the virtual version. In addition, students also view a video of a dissection and answer questions ( EdPuzzle). Most of these tasks ask students to drag labels to the image or answer questions about what they observe. Each slide has an image, a description, and a task for students to complete. I relied on my portfolio of frog dissection images to create a Google Slides version of the lesson. I created this version to be interactive, though not as flashy, as those lost pages. In the past, I have used virtual interactive versions of the dissection, but many of those have been lost when Flash content was removed from sites. I had to come up with a way for online learners to experience the dissection.

The pandemic of 2020 derailed this activity, and a percentage of students chose remote learning in 2021. I can understand why this project may seem like a relic, but it is still in our curriculum. Though some schools have decided to opt out of this project, it remains one of the most remembered activities of the school year. Students usually end the comparative anatomy unit with a dissection of a frog specimen.

Frog dissection