LM of a thoracic spiracle in the silkworm
Numéro d’image : 11909643
| Spiracle in silkworm. Light micrograph of a breathing pore (spiracle) on the thorax of the silkworm Bombyx mori. Here,the oval spiracle is fringed with filter hairs. Air passes into the pore and is conveyed through the body of the silk- worm by a network of tubes called tracheae. The diameter of the tubes becomes smaller,forming tracheoles. In insects,oxygen is not carried in the blood but diffuses across these tracheal tubes directly into each cell. Tracheae are ingrowths of the body wall made of chitin. Spiracles occur in pairs on either side of most body segments. Magnification: x60 at 35mm size | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Nuridsany, Claude / Perennou, Maria |
| Taille de l’image : | 3500 px × 5377 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : |
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