Download notes#13 - DENTISTRY 2012

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Anatomy ,,,,,,,,Lec#13
** omyhoid muscle ..> sup. belly locates in Anterior triangle
and inf.belly in posterior triangle
** lateral submental triangle > lateral borders :
1 digastric anterior …." Correct it "
**cervical lymph nodes located on both sides of Internal jugular vein
**platysma muscle from 2nd pharyngeal arch
** Digastric anterior from 1st pharyngeal arch
** mylohyoid muscle : sheet like muscle , its part of submental triangle
** 4 muscles of floor of the mouth :
1-mylohyoid muscle
2-geniohyoid muscle
3-genioglossus muscle
4- Anteriorbelly of digastric
** 1&4 are innervated by mylhoid never
** 2 is innervated by C1 via hypoglossal nerve
**3 is innervated by hypoglossal nerve
**contents of submandibular triangle ….add
" submandibular ganglion "
done by: Khaled Hamarneh
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