Disease Index
9,486 diseasesOliver–McFarlane syndrome
autosomal recessive disease characterized by trichomegaly, severe chorioretinal atrophy and multiple pituitary hormone deficiencies that has material basis in homozygous or compound heterozygous mutation in PNPLA6 on 19p13.2
MeSH: C536554
olivopontocerebellar atrophy-deafness syndrome
medical condition
Ollier disease
rare nonhereditary sporadic disorder
Olmsted syndrome
human disease
Omenn syndrome
Human disease
omodysplasia
Human disease
ICD: Q78.8MeSH: C537746
Omodysplasia 2
medical condition
omphalocele
physical disorder characterized by a defect in the development of the abdominal wall muscles, resulting in the intestines, liver and other organs to remain outside of the abdomen in a sac
ICD: Q79.2MeSH: D000099245
omphalocele syndrome, Shprintzen-Goldberg type
MeSH: C537329
omphalocele, diaphragmatic hernia, and radial ray defects
human disease
MeSH: C563701
Omphalomesenteric duct cyst
human disease
ICD: Q43.0
Omsk hemorrhagic fever
Human disease
ICD: A98.1MeSH: D006481
onchocerciasis
human helminthiasis
MeSH: D009855
oncovirus
viruses that can cause cancer
MeSH: D009858
onycho-patellar syndrome with eye involvement
human disease
onychocytic matricoma
Onychomatricoma
neoplasm involving a UBERON:0002283
Onychotrichodysplasia and neutropenia
human disease
MeSH: C537752
oocyte maturation defect 2
human disease
oocyte maturation defect 3
human disease
oocyte maturation defect 4
human disease
open iniencephaly
human disease
Ophthalmomandibulomelic dysplasia
Ophthalmomandibulomelic dysplasia is characterized by complete blindness due to corneal opacities, difficult mastication due to temporomandibular fusion and anomalies of the arms
MeSH: C563501
ophthalmoplegia
Human disease
ICD: H49.3MeSH: D009886
ophthalmoplegia-intellectual disability-lingua scrotalis syndrome
human disease
MeSH: C563498
opioid overdose
acute medical condition due to excessive use of opioids and related substance
ICD: T40.0MeSH: D000083682
Opitz-GBBB syndrome
monogenic disease that is characterized by hypertelorism, hypospadias, and additional midline defects resulting from mutations to the MID1 gene in the X-linked form or from a deletion on chromosome 22q11.2 in the autosomal dominant form
Opsismodysplasia
Opsismodysplasia is a skeletal dysplasia characterized by congenital dwarfism and facial dysmorphism
ICD: Q77.8MeSH: C537122
opsoclonus myoclonus syndrome
rare disease
MeSH: D053578
optic atrophy
disorder characterized by loss of optic nerve fibers. It may be inherited or acquired. Acquired causes include ischemia, optic nerve neuropathy, glaucoma, trauma, radiation, brain tumors, and multiple sclerosis. It leads to vision disturbances
MeSH: D009896