|the joint of the leg that allows for movement between the femur and tibia and is protected by the patella|
|a group of cells or organ producing a secretion or selectively removing, altering or concentrating materials from blood for elimination from the body|
|1.||See meninges the middle of the three membranes that cover the brain and spinal cord|
|2.||another name for arachnid|
|3.||of or relating to the middle of the three meninges|
|4.||botany consisting of or covered with soft fine hairs or fibres|
|5.||of or relating to the arachnids|
arachnoid a·rach·noid (ə-rāk'noid')
Resembling a cobweb. Used of the arachnoid membrane covering the brain and spinal cord.
|arachnoid (ə-rāk'noid') Pronunciation Key
The delicate membrane that encloses the spinal cord and brain and lies between the pia mater and dura mater.