. A manual of elementary zoology . Zoology. 250 MANUAL OF ELEMENTARY ZOOLOGY a smaller hind part or filter-chamber', often known as the "pyloric division of the stomach," separated from the , !P-Car. ' ,u,cdr. , ^y. Fig. 159.—The proventriculus of the crayfish. A, The whole organ from above ; B, the same from the right side ; C, the left half from within, the muscles being relaxed ; D, the ossicles of the mill in median section, the anterior and posterior gastric muscles being contracted ; E, the-mill in plan. All the figures are semi-diagrammatic, much detail being omitte
. A manual of elementary zoology . Zoology. 250 MANUAL OF ELEMENTARY ZOOLOGY a smaller hind part or filter-chamber', often known as the "pyloric division of the stomach," separated from the , !P-Car. ' ,u,cdr. , ^y. Fig. 159.—The proventriculus of the crayfish. A, The whole organ from above ; B, the same from the right side ; C, the left half from within, the muscles being relaxed ; D, the ossicles of the mill in median section, the anterior and posterior gastric muscles being contracted ; E, the-mill in plan. All the figures are semi-diagrammatic, much detail being omitted. car., Cardiac ossicle ; cm,, caecum \/.c, pyloric or filter-chamber ; position of gastrolith; Lfi., lateral pouch; , lateral tooth; /.u., lateral valves guarding opening into mesenteron ; , mill-chamber ; , median tooth ; , median valve ; , opening-of bile duct; <zs., oesophagus ; pterocardiac ossicle ; , prepyloric ossicle ; Py., pyloric ossicle ; , urocardiac ossicle; , zygocardiac ossicle. mill-chamber by a pit in the roof. From the filter-chamber the short mid-gut or mesenteron leads backwards to the long hind-gut^ sometimes called the " ; The epidermis. 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 Borradaile, L. A. (Lancelot Alexander), 1872-1945. London : H. Frowde, Hodder & Stoughton
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectzoology, bookyear1920
