| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Reconstruction of microtia with flap | Direct morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Microphthalmos of right eye | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Microphthalmos of left eye | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction of microtia with graft | Direct morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 2 | 
| Diffuse cerebral and cerebellar atrophy, intractable seizures, progressive microcephaly syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 3 | 
| Occipital pachygyria and polymicrogyria | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Congenital microcephaly, severe encephalopathy, progressive cerebral atrophy syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 2 | 
| Ichthyosis, short stature, brachydactyly, microspherophakia syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 4 | 
| Reduction anomaly of hypothalamus | Associated morphology | False | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Megacystis, microcolon, hypoperistalsis syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 2 | 
| Seckel syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 2 | 
| Diastrophic dysplasia | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 2 | 
| Thrombocytopathy, asplenia and miosis | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 5 | 
| Neu-Laxova syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 2 | 
| Barber-Say syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 3 | 
| Microphthalmos co-occurrent with congenital ocular coloboma of bilateral eyes | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 3 | 
| Microphthalmos co-occurrent with congenital ocular coloboma of bilateral eyes | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 4 | 
| Microcornea of bilateral eyes | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Microcornea of bilateral eyes | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 2 | 
| Microphthalmos of bilateral eyes | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Microphthalmos of bilateral eyes | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 2 | 
| Common atrioventricular valve with unbalanced commitment of valve to right ventricle | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Bilateral frontal polymicrogyria | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Bilateral frontoparietal polymicrogyria | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Bilateral generalized polymicrogyria | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Bilateral parasagittal parieto-occipital polymicrogyria | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Bilateral frontoparietal polymicrogyria | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 2 | 
| Bilateral parasagittal parieto-occipital polymicrogyria | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 2 | 
| Microcephaly with simplified gyral pattern | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Microphthalmos due to branchio-oculo-facial syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Microlissencephaly | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Microphthalmos due to Fryns syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Microphthalmos due to Delleman syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Micromelic dwarfism Fryn type | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Congenital microcephaly | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Alaninuria, microcephaly, dwarfism, enamel hypoplasia, diabetes mellitus syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Jawad syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Congenital microencephaly | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Lissencephaly type 3 familial fetal akinesia sequence syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Microcephalus, hypergonadotropic hypogonadism, short stature syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Telomere maintenance 2-related intellectual disability, neurodevelopmental disorder | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Severe growth deficiency, strabismus, extensive dermal melanocytosis, intellectual disability syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Colobomatous macrophthalmia with microcornea syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 3 | 
| Microcephalic cortical malformations, short stature due to rotatin deficiency | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Macrocephaly, intellectual disability, neurodevelopmental disorder, small thorax syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction of microtia with free flap and microvascular anastomosis | Direct morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 3 | 
| X-linked microcephaly, growth retardation, prognathism, cryptorchidism syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 2 | 
| Microcephalic osteodysplastic primordial dwarfism type II | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 2 | 
| Severe intellectual disability, agenesis of corpus callosum, facial dysmorphism, cerebellar ataxia syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Microcephalic primordial dwarfism, insulin resistance syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Ring finger protein 13-related severe early-onset epileptic encephalopathy | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| 19p13.3 microduplication syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 3 | 
| Autosomal dominant myopia, midfacial retrusion, sensorineural hearing loss, rhizomelic dysplasia syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 2 | 
| Isolated microspherophakia | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 2 | 
| Microphthalmia, microtia, fetal akinesia syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 2 | 
| Microphthalmia, microtia, fetal akinesia syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 3 | 
| Microphthalmia, microtia, fetal akinesia syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 4 | 
| Syndromic nanophthalmos due to Kenny-Caffey syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| DNA replication fork stabilization factor DONSON-related microcephaly, short stature, limb abnormalities spectrum | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 2 | 
| nudE neurodevelopment protein 1-related microhydranencephaly | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebellar-facial-dental syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 4 | 
| Microcephaly, intellectual disability, sensorineural hearing loss, epilepsy, abnormal muscle tone syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Lenz microphthalmia syndrome | Associated morphology | False | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Congenital bilateral perisylvian syndrome | Associated morphology | False | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Unspecified microphthalmos NOS | Associated morphology | False | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Microphthalmos, unspecified | Associated morphology | False | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Microphthalmos NOS | Associated morphology | False | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 | 
| Microphthalmos with other eye anomaly | Associated morphology | False | Congenital smallness | Inferred relationship | Existential restriction modifier | 1 |