Noun
interosseus (plural interossei)
English Wikipedia has an article on:interosseusWikipedia
(anatomy) Any of various muscles located between bones.
the dorsal interossei of the hand
palmar interossei
The extensor digitorum longus has a wide origin stretching from the lateral condyle of the tibia down along the anterior side of the fibula, and the interosseus membrane. Source: Internet
The extensor hallucis longus has its origin on the fibula and the interosseus membrane between the two other extensors and is, similarly to the extensor digitorum, is inserted on the last phalanx of big toe ("hallux"). Source: Internet
The flexor hallucis longus arises distally on the fibula and on the interosseus membrane from where its relatively thick muscle belly extends far distally. Source: Internet