| Pia Mater (n.) The delicate and highly vascular membrane immediately investing the brain and spinal cord. Thesaurus Entries arachnoid, arbor vitae, archipallium, between brain, brain stem, cerebellar hemispheres, cerebral cortex, cerebrospinal fluid, cerebrum, convolution, corpus callosum, corpus striatum, diencephalon, dura mater, endbrain, fissure, folia, forebrain, fornix, frontal lobe, glial cells, globus pallidus, gray matter, gyrus, hindbrain, hippocampus, hypothalamus, lenticular nucleus, limbic lobe, little brain, lobe, mantle, medulla oblongata, meninges, mesencephalon, metencephalon, midbrain, myelencephalon, neopallium, occipital lobe, optic chiasm, pallium, parietal lobe, pia mater, pineal body, pituitary body, pons, reticular system, rhombencephalon, subthalamus, telencephalon, temporal lobe, thalamus, ventricle, vermis, white matter |