What is the difference between muscle dystrophy and muscle atrophy? The difference between muscle atrophy and dystophy is that the atrophy is a wasting away of muscle due to disease or poor nutrition. Muscle dystrophy is degeneraion of musclesâ¦ or any organs in the body caused by a disease process, or it can also be caused by malnourishment.
A digraph is two letters that spell one sound. Digraphs that spell consonant sounds include the letter pairs sh, ch, th, wh, ck, ph, ng. Digraphs that spell vowel sounds include the letter pairs ai, ay, ee, ea, ie, ei, oo, ou. ow, oe, oo, ue, ey, ay, oy, oi, au, aw.
A vowel is a type of sound for which there is no closure of the throat or mouth at any point where vocalization occurs. Vowels can be contrasted with consonants, which are sounds for which there are one or more points where air is stopped. In nearly all languages, words must contain at least one vowel. While a word can be formed without any consonants â such as the English words I or way â no word may consist of only consonants, without a vowel. In English, there are five letters which always represent a vowel when written: a, e, i, o, and u.