Arachnoid Definition

ə-răknoid
adjective
Designating the middle of three membranes covering the brain and the spinal cord.
Webster's New World
Covered with or consisting of soft, fine hairs or fibers.
Webster's New World
Of or like an arachnid.
Webster's New World
Of or relating to a delicate membrane enclosing the spinal cord and brain.
American Heritage Medicine
Of, relating to, or resembling arachnids.
American Heritage Medicine
Synonyms:
noun
The arachnoid membrane.
Webster's New World
An arachnid.
Webster's New World
An arachnid.
American Heritage Medicine
A delicate membrane that encloses the spinal cord and brain and lies between the pia mater and dura mater.
American Heritage Medicine

(biology) An arachnid.

Wiktionary
Synonyms:

Other Word Forms of Arachnoid

Noun

Singular:
arachnoid
Plural:
arachnoids

Origin of Arachnoid

  • New Latin arachnoīdēs from Greek arakhnoeidēs cobweblike arakhnē spider -oeidēs -oid

    From American Heritage Dictionary of the English Language, 5th Edition

  • Ancient Greek ἀράχνη (arakhnē, “spider”) + -oid

    From Wiktionary

Arachnoid Sentence Examples

  • These membranes are called the meninges, the outermost membrane is called the dura mater, then the arachnoid and then the pia mater.

  • The lobes of the cerebral hemisphere, optic nerves, arachnoid granulations and blood vessels are all identified.

  • However, no cases of chronic hydrocephalus and suprasellar arachnoid cyst presenting with rhinorrhea as the unique clinical manifestation are reported in the literature.

  • Subarachnoid hemorrhage-A collection of blood in the subarachnoid space, the space between the arachnoid and pia mater membranes that surround the brain.

  • Subarachnoid-Referring to the space underneath the arachnoid membrane, the middle of the three membranes that sheath the spinal cord and brain.

More Sentences

Related Articles

Find Similar Words

Find similar words to arachnoid using the buttons below.

Words Starting With

AARARA

Words Ending With

DIDOID

Unscrambles

arachnoid

Words Starting With A and Ending With D

Starts With A & Ends With DStarts With AR & Ends With DStarts With A & Ends With ID

Word Length

9 Letter Words9 Letter Words Starting With A9 Letter Words Ending With D