IMPERFORATION
\ɪmpˌɜːfəɹˈe͡ɪʃən], \ɪmpˌɜːfəɹˈeɪʃən], \ɪ_m_p_ˌɜː_f_ə_ɹ_ˈeɪ_ʃ_ə_n]\
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By William R. Warner
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Absence of a natural aperture; as, of the mouth, anus, vulva, nostrils, etc. It is congenital, being dependent upon faulty conformation.
By Robley Dunglison
By Willam Alexander Newman Dorland
Word of the day
Platidiam
- An inorganic water-soluble platinum complex. After undergoing hydrolysis, it reacts DNA produce both intra interstrand crosslinks. These crosslinks appear to impair replication and transcription of DNA. The cytotoxicity cisplatin correlates with cellular arrest in G2 phase cell cycle.