...At the bottom of each follicle is aconical, vascular papilla, similar in every respect to those on the surface ofthe dermis; this papilla fits into a corresponding depression in the root ofthe hair... 
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...If they are large and very vascular, they may be ligated, one byone, by taking a strong cord and tying it as firmly around the base aspossible...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
... alive and vascular as my own flesh; capable of being wounded...
John Burroughs 「Birds and Bees, Sharp Eyes and, Other Papers」
...Between the foursecondary germinal layers and the structures formed from them there is formedembryonic connective matter with stellate cells and vascular structures(Hertwig’s “mesenchym”)...
Ernst Haeckel 「The Evolution of Man」
...But, however important the vascular system may be to the more advanced andlarger and highly-differentiated animals, it is not at all so indispensable anelement of animal life as is commonly supposed...
Ernst Haeckel 「The Evolution of Man」
...The great majority of theInvertebrates that have acquired an independent vascular system have onlycolourless lymph-cells in the circulating fluid...
Ernst Haeckel 「The Evolution of Man」
...As we have seen, the Amphioxus has no real heart; itscolourless blood is driven along in its vascular system by the principal vesselitself, which contracts regularly in its whole length (cf...
Ernst Haeckel 「The Evolution of Man」
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