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Air-breathing arthropods characterized by simple eyes and four pairs of legs
Answer for the clue "Air-breathing arthropods characterized by simple eyes and four pairs of legs ", 9 letters:
arachnoid
Alternative clues for the word arachnoid
Word definitions for arachnoid in dictionaries
Wiktionary
Word definitions in Wiktionary
a. 1 Relating to spiders. 2 Relating to or resembling spider webs. 3 (context anatomy English) Relating to the arachnoid mater, the middle layer of the meninges, the three membranes that protect the brain. n. 1 (context biology English) An arachnid 2 (context ...
Wikipedia
Word definitions in Wikipedia
Arachnoid may refer to: Relating to arachnids Arachnoid mater , a layer of the meninges, membranes that contain the central nervous system Arachnoid granulation , small protrusions of the arachnoid mater Arachnoid (astrogeology) , a geological structure ...
WordNet
Word definitions in WordNet
n. the middle of the 3 meninges [syn: arachnoid membrane ] air-breathing arthropods characterized by simple eyes and four pairs of legs [syn: arachnid ]
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Arachnoid \A*rach"noid\, a. [Gr. ? like a cobweb; ? spider, spider's web + e'i^dos form.] Resembling a spider's web; cobweblike. (Anat.) Pertaining to a thin membrane of the brain and spinal cord, between the dura mater and pia mater. (Bot.) ...
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
"cobweb-like," especially of the membrane around the brain and spinal cord, 1789, from Modern Latin arachnoides , from Greek arakhnoeides "cobweb-like," from arakhne "cobweb" (see arachnid ) + -oeides (see -oid ).
Usage examples of arachnoid.
The tentacles of the ichthyoid were specialized for large-scale manipulation, those of the arachnoid for minute work.
On the whole the arachnoid partners dominated in manual skill, experimental science, the plastic arts, and practical social organization.
Every arachnoid still emerged for sexual mating, and also for certain ritual gymnastic exercises.
Not only in experience of electrical engineering but also in native practical ability they were eclipsed by their arachnoid partners.
The directorate of extra-marine activities demanded a much increased arachnoid population.
While every healthy arachnoid longed to take part in the adventurous new life, he or she longed also, through sheer affection and symbiotic entanglement, to assist his or her ichthyoid mate to have an equal share in that life.
At this time the symbiotic race consisted of an immense host of arachnoid adventurers scattered over many planets, and a company of some fifty thousand million super-ichthyoids living a life of natatory delight and intense mental activity in the ocean of their great native world.
Several of these included worlds which, when the early Arachnoid explorers visited them telepathically, were found to be inhabited by native races of pre-utopian rank.
Several of these included worlds which, when the early Arachnoid explorers visited them tele- pathically, were found to be inhabited by native races of pre-utopian rank.
Perched on the windscreen beside some leaves is a furry, bird-sized, brightly colored arachnoid, a sort of flying spider.
Thus, one layer of the arachnoid envelopes the brain and spinal cord, and the other lines the dura mater.
The space between the internal and the external layers of the arachnoid membrane of the brain is much smaller than that enclosed by the corresponding layers of the arachnoid membrane of the spinal column.
Finally, within the spaces of the arachnoid is a lymph-like liquid which completely envelops the brain and the cord, and which, by serving as a watery cushion, protects them from jars and shocks.
The creature remained perched there like some arachnoid gargoyle watching me from the roof of a church.
At the autopsy are found hyperemia of the arachnoid, and slight chronic leptomeningitis and pachymeningitis.