| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Congenitally small punctum lacrimale | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 4 | 
| Microspherophakia (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 4 | 
| Fetal microcephaly (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 2 | 
| Congenital bilateral perisylvian syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 3 | 
| Thrombocytopathy, asplenia and miosis (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 3 | 
| Neu-Laxova syndrome | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 3 | 
| microcéphalie autosomique dominante bénigne | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 2 | 
| microcéphalie primitive | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 2 | 
| dysplasie ostéodysplasique microcéphalique type Saul-Wilson | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 1 | 
| microcéphalie | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 2 | 
| Secondary microcephaly | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 2 | 
| Microcephaly-capillary malformation syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 1 | 
| Amish lethal microcephaly (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 2 | 
| Osteogenesis imperfecta, recessive perinatal lethal, with microcephaly AND cataracts | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 1 | 
| Microcephaly, microphthalmia, ectrodactyly of lower limbs and prognathism syndrome (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 4 | 
| Microcephaly, microphthalmia, ectrodactyly of lower limbs and prognathism syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 6 | 
| Prominent glabella with microcephaly and hypogenitalism syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 3 | 
| Microphthalmos co-occurrent with congenital ocular coloboma (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 3 | 
| Microcephalus co-occurrent with cervical spine fusion anomaly (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 2 | 
| Microcephalic primordial dwarfism of Toriello type (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 1 | 
| SOX2 anophthalmia syndrome | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 2 | 
| Microcephalus microcornea syndrome of Seemanova type (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 2 | 
| Microcephalus microcornea syndrome of Seemanova type (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 3 | 
| Micromelic spondyloepimetaphyseal dysplasia | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 4 | 
| Oculocerebral dysplasia syndrome | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 2 | 
| Nanophthalmia (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 1 | 
| Microcephaly with deafness and intellectual disability syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 5 | 
| Microcornea with glaucoma and absent frontal sinus syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 2 | 
| Microphthalmia with ankyloblepharon and intellectual disability syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 2 | 
| Aphalangy and syndactyly with microcephaly syndrome (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 3 | 
| Autosomal recessive primary microcephaly (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 1 | 
| Unilateral polymicrogyria (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 2 | 
| Micromelia | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 4 | 
| Achalasia microcephaly syndrome (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 2 | 
| Syndromic microphthalmia due to orthodenticle homeobox 2 mutation (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 1 | 
| Radioulnar synostosis with microcephaly and scoliosis syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 6 | 
| Microcephalus with cardiac defect and lung malsegmentation syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 5 | 
| Microcephalus cardiomyopathy syndrome (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 2 | 
| Microcephalus with cardiac defect and lung malsegmentation syndrome (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 3 | 
| Microcephalus and intellectual disability with phalangeal and neurological anomaly syndrome | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 5 | 
| Microcephalus with brachydactyly and kyphoscoliosis syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 8 | 
| Microcephalus cleft palate syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 4 | 
| Microcephalus with albinism and digital anomaly syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 12 | 
| Microcornea with corectopia and macular hypoplasia syndrome (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 1 | 
| Hadziselimovic syndrome | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 7 | 
| Microphthalmia with brain atrophy syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 2 | 
| Anonychia with microcephaly syndrome (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 2 | 
| Aphalangy and syndactyly with microcephaly syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 5 | 
| Anonychia with microcephaly syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 3 | 
| Arrhinia with choanal atresia and microphthalmia syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 5 | 
| Filippi syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 5 | 
| Hall Riggs syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 6 | 
| Short stature, pituitary and cerebellar defect and small sella turcica syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 3 | 
| Microphthalmia with linear skin defect syndrome (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 2 | 
| Congenital microgastria with limb reduction defect syndrome (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 2 | 
| Microtia | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 3 | 
| Bilateral microtia with deafness and cleft palate syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 7 | 
| Microcephaly, hypogammaglobulinemia, abnormal immunity syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 3 | 
| Bilateral microtia with deafness and cleft palate syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 6 | 
| Microphthalmia with linear skin defect syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 3 | 
| Lowry MacLean syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 5 | 
| Unilateral polymicrogyria (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 1 | 
| Epiphyseal dysplasia, microcephalus, nystagmus syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 3 | 
| Isotretinoin embryopathy-like syndrome (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 4 | 
| Megalencephaly, polymicrogyria, postaxial polydactyly, hydrocephalus syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 5 | 
| Hypertelorism with microtia and facial clefting syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 6 | 
| Megalencephaly, polymicrogyria, postaxial polydactyly, hydrocephalus syndrome (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 3 | 
| Oculocerebrofacial syndrome Kaufman type (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 3 | 
| Congenital intrauterine infection-like syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 3 | 
| Oculopalatocerebral syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 4 | 
| Cataract and microcornea syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 2 | 
| Congenital intrauterine infection-like syndrome (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 2 | 
| Intellectual disability, hypoplastic corpus callosum, preauricular tag syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 3 | 
| Juvenile cataract, microcornea, renal glucosuria syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 3 | 
| Agammaglobulinemia, microcephaly, craniosynostosis, severe dermatitis syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 6 | 
| Cutaneous mastocytosis, short stature, hearing loss syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 9 | 
| Glaucoma, ectopia, microspherophakia, stiff joint, short stature syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 6 | 
| Thickened earlobe with conductive deafness syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 5 | 
| Goldberg Shprintzen megacolon syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 7 | 
| Severe X-linked intellectual disability Gustavson type (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 4 | 
| Microcephaly, seizure, intellectual disability, heart disease syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 4 | 
| Microlissencephaly micromelia syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 7 | 
| Microcephalic osteodysplastic dysplasia Saul Wilson type (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 4 | 
| Renier Gabreels Jasper syndrome | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 2 | 
| Retinal degeneration, nanophthalmos, glaucoma syndrome (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 2 | 
| Renier Gabreels Jasper syndrome | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 3 | 
| Retinal degeneration, nanophthalmos, glaucoma syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 3 | 
| Microcephalic primordial dwarfism of Toriello type (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 2 | 
| Microtia, eye coloboma, imperforation of nasolacrimal duct syndrome | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 3 | 
| Microcephalic primordial dwarfism due to zinc finger protein 335 deficiency (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 1 | 
| Hyposmia, nasal and ocular hypoplasia, hypogonadotropic hypogonadism syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 6 | 
| Microspherophakia with metaphyseal dysplasia syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 3 | 
| Glaucoma, ectopia, microspherophakia, stiff joint, short stature syndrome (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 1 | 
| Microtia, eye coloboma, imperforation of nasolacrimal duct syndrome | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 4 | 
| Hyposmia, nasal and ocular hypoplasia, hypogonadotropic hypogonadism syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 5 | 
| Microcephalic osteodysplastic primordial dwarfism types I and III (disorder) | Associated morphology | True | Congenital smallness | Inferred relationship | Some | 2 | 
| Short rib polydactyly syndrome type I (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 5 | 
| Coxoauricular syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 4 | 
| Epilepsy, microcephaly, skeletal dysplasia syndrome (disorder) | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 5 | 
| Stimmler syndrome | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 5 | 
| Stimmler syndrome | Associated morphology | False | Congenital smallness | Inferred relationship | Some | 3 |