book lung

(redirected from Book lungs)
Also found in: Dictionary, Thesaurus, Encyclopedia.

Related to Book lungs: Spiracles

book lung

A saccular respiratory organ found in some arachnids, such as scorpions and spiders, consisting of several parallel membranous folds arranged like the pages in a book.

Mentioned in ?

aerial respiration

References in periodicals archive ?

In this study we hypothesized that Grammostola rosea Walckenaer 1837, an active predator of large size which depends entirely on its two paired book lungs, has a low energy strategy based on large respiratory surface area and a thin air-hemolymph barrier.

65 g) were sacrificed, and their book lungs were carefully extracted and immersed in 2.

Respiratory refinements in the mygalomorph spider Grammostola rosea Walckenaer 1837 (Araneae, Theraphosidae)

1 resulted in coloration only in nuclei of the book lung and other somatic tissues adjacent to the testis, but the sperm remained unstained (Table 1, Fig.