A note book for the elements of the comparative anatomy of invertebrates.

Date:
1911
Catalogue details

Licence: In copyright

Credit: A note book for the elements of the comparative anatomy of invertebrates. Source: Wellcome Collection.

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    9. Dissection of Heart and Alimentary Canal. Remove the abdominal terga carefully so that the heart lying within the pericardium may be seen in situ. Then remove also the thoracic terga and free the alimentary canal from the adherent masses of the fat body and unravel its coils. The larger tracheal branches should be cut with fine scissors. Right salivary gland; right salivary receptacle; oesophagus; crop; proventriculus; pyloric caeca; chylific ventricle ; Malpighian 'tubes, opening into the short small intestine or ileum; large intestine or colon; rectum; cerebral ganglion. 10. Right salivary gland and receptacle removed with ducts, &c. entire. Under low power: acini; tracheal tubes : ducts; nerves. This should. be fixed in corrosive sublimate, stained in borax carmine, and mounted in balsam.. 11. Portion of fatty body showing tracheae and fatty tissue. High power. 48