arachnoidea


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arachnoidea

(a-rak?noyd'e-a) [L. fr. Gr. arachnoeides] Arachnoid membrane.

arachnoidea encephali

The part of the arachnoidea enclosing the brain. Synonym: cranial arachnoid

arachnoidea spinalis

The part of the arachnoidea enclosing the spinal cord. Synonym: spinal arachnoid

arachnoidea

References in periodicals archive ?
Taxa hallados en cada una de las estaciones de muestreo Estacion 1 ORDEN FAMILIA M1 M2 M3 M4 Ephemeroptera Leptophlebiidae 1 1 3 60 Oligoneuriidae 9 Leptohyphidae 10 2 Baetidae 8 Trichoptera Leptoceridae 211 201 98 62 Helicopsychidae 10 6 17 5 Glossosomatidae 5 2 Calamoceratidae 22 22 15 6 Hydropsychidae 26 5 52 3 Odontoceridae 28 5 14 25 Hydrobiosidae 1 Philopotamidae 1 Polycentropodidae Odontoceridae Hydroptilidae Plecoptera Perlidae 15 1 10 12 Coleoptem Psephenidae 4 1 1 12 Elmidae 65 30 84 14 Ptilodactylidae 26 5 6 3 Lutrochidae 1 1 Dryopidae Lampyridae Hydroptilidae Gyrinidae Scarabidae Chrysomelidae Megaloptera Corydalidae 3 5 1 Odonata Calopterygidae 3 8 30 Libellulidae 2 2 3 Gomphidae 41 2 11 3 Coenagrionidae 2 4 Arachnoidea S.
Look out for calceolaria arachnoidea, a velvety purple with hairy silver leaves better grown as an alpine under glass.
For a lesion to be considered an arachnoid cyst, it must meet three criteria: (1) it must be enveloped by an arachnoid membrane, (2) it must contain arachnoidea mater cells, and (3) it must contain CSE (8,9) These requirements, by definition, ensure duplication of the arachnoid membrane, leading to a distinct cyst.
Patients can develop subdural empyema if an abscess occurs in the space between the dura mater and the arachnoidea mater.