QJM vol. 97 no. 10 © Association of Physicians 2004; all rights reserved.
Biologic |
Arms and legs
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If you can remember dissecting the Dogfish (Scliorhinus canicula), you are probably nearly as old as the author. This primitive cartilagenous fish was the marker vertebrate for many of us, and seen as a more interesting prospect than the Frog (probably a size thing). This kind of dissection is now seen as a marker of an old-fashioned approach to morphology, but recently the Dogfish has sprung back into