The Scalp Flashcards
Where does the scalp extend anteriorly until?
Supraorbital margin
What bone is the superior nuchal line a part of?
Occipital bone
What two bones form the zygomatic arch?
Zygomatic bone
Zygomatic process of the temporal bone
What type of joint is present between the two bones at the zygomatic arch?
Suture
What are the 5 layers of the scalp?
Skin Connective Tissue Aponeurosis of occipitofrontal muscle Loose Areolar connective tissue Periosteum of the skull bones
What is the anterior part of the scalp innervated by?
All 3 branches of the trigeminal nerve
What is the posterior half of the scalp supplied by?
Cutaneous branches of cervical spinal nerves C2 and C3
What structure forms the ventral rami of C5 to T1?
Brachial plexus
In which layer of the scalp are blood vessels present?
Connective Tissue layer
What artery is the superficial temporal artery a branch of?
External Carotid Artery
Through what do veins anastomose with diploic veins in the skull bones?
Emissary veins (Valveless veins)
What is diploe?
Spongy cancellous bone separating inner and outer layers of the cortical bone of the skull