Head And Neck - Wet Room (Week 1) Flashcards
What is the most common type of joint in the skull?
Sutural
What are the three parts of the skull?
- Neurocranium
- Facial skull
- Mandible
Identify the bones that articulate to form the saggital suture
Left and right parietal bones
Identify the bones that articulate to form the coronal suture
Frontal and parietal bones
Identify the bones that articulate to form the lambdoid suture
Partietal and occipital
What bone forms the mastoid process?
Temporal
Removing the skull cap and study the floor of the skull; it is separated into three regions, what are they?
Anterior, middle and posterior cranial fossae
How far does the scalp extend?
Anteriorly - to the orbits
Posteriorly - to the nuchal lines
Laterally - zygomatic arches
Name the five layers of the scalp
S - skin C - connective tissue (dense) A - aponeurosis of occipital frontal muscle L - loose connective tissue P - pericranium
Contraction of the anterior belly of the occipitofrontalis muscle causes what action?
Raising of the eyebrows
What nerve(s) innervated the anterior (anterior to external ear) part of the scalp?
Trigeminal nerve (CN V)
What nerve(s) innervated the posterior (posterior to external ear) part of the scalp?
Branches of cervical spinal nerves C2 to C3 (both rami)
In which layers of the scalp are blood vessels present?
Dense connective tissue
What is diploe?
Spongey cancellous bone separating inner and outer layers of cortical bone
What two muscles of facial expression surround the eye?
Orbicularis oculi (orbital and palpebral)