Why is there a layer in our brains called the Arachnoid matter? How is this layer supposed to resemble a spider?

Question

Why is there a layer in our brains called the Arachnoid matter? How is this layer supposed to resemble a spider?

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Answer 1

“The arachnoid mater is named after the Greek word arachne (“spider”), the suffix -oid (“in the image of”), and the Latin word mater (“mother”), **because of the fine spider web-like appearance of the delicate fibres of the arachnoid (arachnoid trabeculae) which extend down through the subarachnoid space and attach to the pia mater**.”