. Amphioxus and the ancestry of the vertebrates [microform]. Vertebrates; Chordata; Fishes; Ascidiacea; Vertébrés; Cordés; Poissons; Ascidiacés. Fig. 43-âTransverse section through the spinal cord in the middle region of tht" l)0(ly. (After KoilDi:. I a. (iiiint fibre j^roceeding from the giant ganglidn-cell ./ (see l)elo\v). Cen- tral canal. ,4'./"'. (jiant nerve-fibres, which traverse the spinal cord from bi'fore l)ai.'kvvar(ls. ,;â â¢./'-. Cjiant fibres, which traverse the spinal cord from behind for- .Muscle-]ilates. Motor nerve-fibres, Longitud
. Amphioxus and the ancestry of the vertebrates [microform]. Vertebrates; Chordata; Fishes; Ascidiacea; Vertébrés; Cordés; Poissons; Ascidiacés. Fig. 43-âTransverse section through the spinal cord in the middle region of tht" l)0(ly. (After KoilDi:. I a. (iiiint fibre j^roceeding from the giant ganglidn-cell ./ (see l)elo\v). Cen- tral canal. ,4'./"'. (jiant nerve-fibres, which traverse the spinal cord from bi'fore l)ai.'kvvar(ls. ,;â â¢./'-. Cjiant fibres, which traverse the spinal cord from behind for- .Muscle-]ilates. Motor nerve-fibres, Longitudinal nerve- t'llirt's cut across, Supporting fibres, sh. Sheath of nerve-cord (= dura mater ; l'l>ARI). one another, except in so far as their component nerves have a common oriy;in from the dorsal roots (Fig. 42). The outer plexus is continued up into the individual cirri, while the inner plexus appears to stop short at the base of the cirri. It has recently been discovered by van. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Willey, Arthur, 1867-1942. New York; London : Mcmillan
Size: 1818px × 1375px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectfishes, bookyear1894
