Hirudo medicinalis anatomy by Syme
Autor:
Patrick Syme (1774–1845)
Credit:
- Johnson, J. R. A treatise on the medicinal leech including its medical and natural history, with a description of its anatomical structure/ also, remarks upon the diseases, preservation and management of leeches. London: Longman, Hurst, Rees, Orme, and Brown, 1816.
- Reprint in the Harvard University Library (lib.harvard.edu)
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Wymiary:
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Opis:
Hirudo medicinalis anatomy.
- Figure 1 represents the internal structure of the leech, slightly magnified. At superior part we notice the piercers, improperly called the teeth, and the male and female organs of generation; at the inferior parts, the two last long cells or stomachs, and the intestine. The abdominal blood-vessel is seen taking a direction from the mouth to the anus, forming several diamond-shaped expansions in the course. We find on each side of the vessel, the cells or stomachs ranged in regular order. To the surface of each is attached a small oval-shaped body, forming a connection, the one with the other by means of a tortuous tube.
- Figure 2 represents, under highly magnified form, the body of the male generative organ, with the penis hanging from its sheath. The uterus with the ovaria and the testes.
- Figure 3 represents a dried preparation, shewing a few of the cells distended with common shot, and a portion of the intestine in which a slip of wood has been inserted.
Licencja:
Public domain
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