Head and neck Flashcards
Thoracic Outlet Syndrome
Compression of the trunks of the brachial plexus and the sublclavian artery within the scalene triangle
Laceration of what vessel results in Epidural hematoma
Middle Meningeal artery from Maxillary artery
Paryngeal arches composed of
mesoderm and NC cells
Pharyngeal pouches composed of
Endoderm
Pharyngeal grooves and clefts composed of
Ectoderm
What N componenet of Pharyngeal arch 1
Trigeminal:
Mandibular N
What N component of Pharyngeal arch 2
Facial N
What N component of pharyngeal arch 3
CN 9
What N component of pharyngeal arch 4
CN 10
Superior laryngeal N
Pharyngeal branches
What N component of pharyngeal arch 6
CN 10
Recurrent Laryngeal N
What muscles derived from pharyngeal arch 1
- Muscles of mastication:
- Masseter
- Temporalis
- lateral pterygoid
- Medial pterygoid
- Digastic
- Mylohyoid
- Tensor tympani
- Tensor veli palatini
What muscles derived from pharyngeal arch 2
- Muscles of facial expression
- Diagstric (posterior belly)
- Stylohyoid
- Stapedius
What muscles derived from pharyngeal arch 3
Stylopharyngeus muscle
What muscle is derived from pharyngeal arch 4
Cricothyroid muscle
Soft palate
5 muscles of phaynx
What muscle is derived from phayrngeal arch 6
Intrinsic muscles of larynx (except cicothyroid muscle)
What artery components of phayrngeal arch 3
Rt and Lt common carotid
Rt and Lf internal carotid
What artery component of pharyngeal arch 4
Right subclavian
Arch of aorta