- epithelial recurrent erosion dystrophy [DOID:0070337]
An epithelial and subepithelial dystrophy that is characterized by frequent painful recurrent corneal erosions, small gray anterior stromal flecks associated with larger focal gray-white disc-shaped, circular, or wreath-like lesions with central clarity.
- myelitis [DOID:322]
A spinal cord disease that is characterized by inflammation of the white matter or gray matter of the spinal cord.
- Griscelli syndrome type 3 [DOID:0060834]
A Griscelli syndrome characterized by isolated silvery gray sheen of the hair and hypopigmentation of the skin that has_material_basis_in mutation in the MLPH or MYO5A genes.
- Griscelli syndrome type 1 [DOID:0060832]
A Griscelli syndrome characterized by silvery gray sheen of the hair, hypopigmentation of the skin and neurological impairment without immunodeficiency that has_material_basis_in mutations in the MYO5A gene on chromosome 15q21.2.
- bullous congenital ichthyosiform erythroderma [DOID:0060877]
An ichthyosis characterized by congenital erythema and widespread skin blistering, blisters develop into gray hyperkeratoses with a lichenified appearance, and that has_material_basis_in heterozygous mutation in the KRT2 gene on chromosome 12q13.
- Lisch epithelial corneal dystrophy [DOID:0060450]
An epithelial and subepithelial dystrophy that is characterized by bilateral or unilateral, gray, band-shaped, and feathery opacities that sometimes appeared in whorled patterns and that has_material_basis_in the MCOLN1 gene on Chr. 19.
- Griscelli syndrome type 2 [DOID:0060833]
A Griscelli syndrome characterized by silvery gray sheen of the hair, hypopigmentation of the skin and immunodeficiency with or without neurologic impairment that has_material_basis_in mutation in the RAB27A gene on chromosome 15q21.3.
- subcortical band heterotopia [DOID:0111169]
A congenital nervous system abnormality characterized by migration of neurons to ectopic locations in the brain where the neurons form areas that appear as band-like clusters of white tissue underneath the gray tissue of the cerebral cortex.
- platelet-type bleeding disorder 17 [DOID:0111049]
A blood platelet disease characterized by autosomal dominant inheritance of increased bleeding tendency, gray platelets, thrombocytopenia, thrombasthenia, abnormal megakaryocytes, decreased or absent alpha-granules in platelets, and myelofibrosis that has_material_basis_in heterozygous mutation in the GFI1B gene on chromosome 9q34.