Scalp Flashcards
The scalp extends posteriorly until the
Superior Nuchal Lines
Which bone is superior nuchal line part of
Occipital Bone
Which two bones form Zygomatic Arch
Anteriorly: Zygomatic
Posteriorly: Temporal Bone
Name the 5 layers of scalp
Skin Dense Connective Tissue Aponeurosis of Occipitofrontal Muscle Loose Areolar Connective Tissue Periosteum
The trigeminal nerve is divided up into
V1: Opthalmic
V2: Maxillary
V3: Mandibular
V1 Ophthalmic of Trigeminal Fibres
Purely Sensory
V2 Maxillary of Trigeminal Fibres
Purely Sensory
V3 Mandibular of Trigeminal Fibres
Sensory and Motor
Sensory innervation to face and anterior scalp is by branches of
Trigeminal Nerve
In which layer of scalp are blood vessels present
Loose Connective Tissue
Supratrochlear Artery Origin
ICA
Supraorbital Artery Origin
ICA
Superficial Temporal Artery Origin
ECA
Posterior Auricular Artery Origin
ECA
Occipital Artery Origin
ECA
Emissary Veins Feature
Valveless
Are there any lymph nodes in scalp
No
Would wounds in scalp bleed profusely or sparingly?
Profusely due to Connective tissue preventing vasoconstriction
The aponeurosis of which muscle is present in 3rd layer of scalp
Occipitofrontalis
Which veins can spread infection intracranially
Emissary Veins
