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Biol Bull 87: 52-58. (August 1944)
© 1944 Marine Biological Laboratory
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THE CAPILLARY BED OF THE CENTRAL NERVOUS SYSTEM OF CERTAIN INVERTEBRATES

ERNST SCHARRER 1

1 From the Department of Anatomy, Western Reserve University School of Medicine, Cleveland, and the Marine Biological Laboratory, Woods Hole

The blood vessels supplying the central nervous system of the earthworm are of the same type as those in the brains of tailed amphibians, lizards, and marsupials, i.e. the blood vessels are paired and end in loops. The blood vessels in the cerebral ganglia of the squid form a network like that which occurs in the brains of fishes, anuran amphibians, reptiles (except lizards), birds, and placental mammals. The origin of both systems is discussed.




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 Br. J. Ophthalmol.Home page
P. G McMenamin
The unique paired retinal vascular pattern in marsupials: structural, functional and evolutionary perspectives based on observations in a range of species
Br. J. Ophthalmol., October 1, 2007; 91(10): 1399 - 1405.
[Abstract] [Full Text] [PDF]


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