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An ependymoma is a tumor that arises from the ependyma, a tissue of the central nervous system. Usually, in pediatric cases the location is intracranial, while in adults it is spinal. The common location of intracranial ependymomas is the floor of the fourth ventricle. Rarely, ependymomas can occur in the pelvic cavity.
This is a set of lists of English personal and place names having spellings that are counterintuitive to their pronunciation because the spelling does not accord with conventional pronunciation associations. Many of these are degenerations in the pronunciation of names that originated in other languages.
Pediatric ependymomas are similar in nature to the adult form of ependymoma in that they are thought to arise from radial glial cells lining the ventricular system.However, they differ from adult ependymomas in which genes and chromosomes are most often affected, the region of the brain they are most frequently found in, and the prognosis of the patients.
The ependyma is the thin neuroepithelial (simple columnar ciliated epithelium) lining of the ventricular system of the brain and the central canal of the spinal cord. [1] The ependyma is one of the four types of neuroglia in the central nervous system (CNS).
The following table shows the 24 consonant phonemes found in most dialects of English, plus /x/, whose distribution is more limited. Fortis consonants are always voiceless, aspirated in syllable onset (except in clusters beginning with /s/ or /ʃ/), and sometimes also glottalized to an extent in syllable coda (most likely to occur with /t/, see T-glottalization), while lenis consonants are ...
A limited number of words in Japanese use epenthetic consonants to separate vowels. An example is the word harusame (春雨（はるさめ）, 'spring rain'), a compound of haru and ame in which an /s/ is added to separate the final /u/ of haru and the initial /a/ of ame. That is a synchronic analysis.
As designated in Wikipedia:Manual of Style/Pronunciation, the standard set of symbols used to show the pronunciation of English words on Wikipedia is the International Phonetic Alphabet (IPA). The IPA has significant advantages over this respelling system, as it can be used to accurately represent pronunciations from any language in the world ...
Some words contain silent letters, which do not represent any sound in modern English pronunciation. Examples include the l in talk , half , calf , etc., the w in two and sword , gh as mentioned above in numerous words such as though , daughter , night , brought , and the commonly encountered silent e (discussed further below).