BILIRUBIN ENCEPHALOPATHIES
\ba͡ɪlˈɜːɹuːbˌɪn ɛnsˌɛfɐlˈɒpəθɪz], \baɪlˈɜːɹuːbˌɪn ɛnsˌɛfɐlˈɒpəθɪz], \b_aɪ_l_ˈɜː_ɹ_uː_b_ˌɪ_n ɛ_n_s_ˌɛ_f_ɐ_l_ˈɒ_p_ə_θ_ɪ_z]\
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A term used pathologically to describe BILIRUBIN staining of the BASAL GANGLIA; BRAIN STEM; and CEREBELLUM and clinically to describe a syndrome associated with HYPERBILIRUBINEMIA. Clinical features include athetosis, MUSCLE SPASTICITY or hypotonia, impaired vertical gaze, and DEAFNESS. Nonconjugated bilirubin enters the brain and acts as a neurotoxin, often in association with conditions that impair the BLOOD-BRAIN BARRIER (e.g., SEPSIS). This condition occurs primarily in neonates (INFANT, NEWBORN), but may rarely occur in adults. (Menkes, Textbook of Child Neurology, 5th ed, p613)
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Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.