the structure and control of the blood vessels of invertrebrates
Thesis (M.A.)--Boston University, 1940 === As a large Metazoa developed, osmosis and streaming of protoplasm had to be replaced by a more efficient maintenance system. A complex arrangement of invaginations would provide sufficient absorptive area, vut no advance is possible with such a system. Circ...
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Boston University
2012
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ndltd-bu.edu-oai-open.bu.edu-2144-41232019-03-11T15:23:58Z the structure and control of the blood vessels of invertrebrates Conlon, Rita Judge Thesis (M.A.)--Boston University, 1940 As a large Metazoa developed, osmosis and streaming of protoplasm had to be replaced by a more efficient maintenance system. A complex arrangement of invaginations would provide sufficient absorptive area, vut no advance is possible with such a system. Circulation is an effective means of distributing materials, but a large body with an entire surface cannot absorb enough material to maintain itself. By combining systems of invaginations and circulation, however, the poor features of each system are eliminated. 2012-09-06T18:38:50Z 2012-09-06T18:38:50Z 1940 1940 Thesis/Dissertation b1477925 https://hdl.handle.net/2144/4123 en_US Based on investigation of the BU Libraries' staff, this work is free of known copyright restrictions Boston University |
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NDLTD |
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en_US |
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NDLTD |
| description |
Thesis (M.A.)--Boston University, 1940 === As a large Metazoa developed, osmosis and streaming of protoplasm had to be replaced by a more efficient maintenance system. A complex arrangement of invaginations would provide sufficient absorptive area, vut no advance is possible with such a system. Circulation is an effective means of distributing materials, but a large body with an entire surface cannot absorb enough material to maintain itself. By combining systems of invaginations and circulation, however, the poor features of each system are eliminated. |
| author |
Conlon, Rita Judge |
| spellingShingle |
Conlon, Rita Judge the structure and control of the blood vessels of invertrebrates |
| author_facet |
Conlon, Rita Judge |
| author_sort |
Conlon, Rita Judge |
| title |
the structure and control of the blood vessels of invertrebrates |
| title_short |
the structure and control of the blood vessels of invertrebrates |
| title_full |
the structure and control of the blood vessels of invertrebrates |
| title_fullStr |
the structure and control of the blood vessels of invertrebrates |
| title_full_unstemmed |
the structure and control of the blood vessels of invertrebrates |
| title_sort |
structure and control of the blood vessels of invertrebrates |
| publisher |
Boston University |
| publishDate |
2012 |
| url |
https://hdl.handle.net/2144/4123 |
| work_keys_str_mv |
AT conlonritajudge thestructureandcontrolofthebloodvesselsofinvertrebrates AT conlonritajudge structureandcontrolofthebloodvesselsofinvertrebrates |
| _version_ |
1719000980496842752 |