Vessels of face and scalp Flashcards
the facial artery is a branch of what
3rd anterior branch of the external carotid artery
the facial artery crosses the anterior surface of the
mandible
the facial artery is usually described as what in shape
tortuous
the transverse facial branch is a branch of what
superficial temporal artery
what vessels supply the forehead
supratrochlear and supraorbital branches
the supratrochlear and supraorbital branches that supply the forehead are derived from what
derived from branches of the internal carotid artery
the facial artery gives off what branches
submental
superior and inferior labial
lateral nasal
the face is drained by what vein
facial vein
describe the facial vein in comparison to the facial artery
vein is slightly larger and much less tortuous
the facial vein joins with what
anterior part of the retromandibular vein
the facial vein drains where
internal jugular vein
the facial vein communicates with what
vessels in the pterygoid venous plexus that lies inside the infratemporal fossa
what is the acronym for layers of the scalp from external to internal
SCALP
what does SCALP stand for
external to internal:
Skin
Connective tissue
Aponeurosis
Loose areolar connective tissue
Periosteum (pericranium)
what is the aponeurosis in the scalp between
frontalis and occipitalis
the supratrochlear and supraorbital arteries are derived from
branches of internal carotid artery
the supratrochlear and supraorbital arteries supply
anterior part of the scalp
what vessels supply the scalp
supratrochlear
supraorbital
superficial temporal
posterior auricular
occipital
the scalp not supplied by branches derived from the ICA is supplied by what
posterior branches of the ECA and the superficial temporal artery
the superficial temporal artery is a terminal branch of what
ECA
the veins of the scalp are named after what
arteries
the veins of the scalp can communicate with what
sagittal dural venous sinus inside the skull
how do the veins of the scalp communicate with saggital dural venous sinus inside the skull
emissary veins
what is the risk of these emissary veins
potential route for infection to pass from superficial structures to meninges
where are the superficial veins of the scalp located
in connective tissue layer
what nerve supplies the superior anterior and lateral surfaces of the scalp
branches of the trigeminal nerve
what innervates the scalp behind the auricle and the posterior surface of the head
local nerves derived from C2 and C3 nerve roots
what nerves supply innervation to the anterior scalp
supratrochlear and supraorbital nerves
the supratrochlear and supraorbital nerves come from
CNV1
what nerve supplies scalp over temporal/zygomatic region
zygomaticotemporal nerve
the zygomaticotemporal nerve is a branch of
CN V2
what nerve supplies skin infront of the ear up to lateral scalp
auriculotemporal nerve
the auriculotemporal nerve comes from
CNV3
what nerve supplies innervation to behind the ear and posterolateral scalp
lesser occipital (C2)
what nerve supplies innervation to back of head
greater occipital (C2) and third occipital (C3)
the supraorbital nerve comes from
CN V1
the supraorbital nerve exits the skull where to reach where
supraorbital notch to reach the forehead
the infraorbital nerve leaves the skull where to reach where
via the infraorbital foramen to reach the lateral sides of the nose and upper lip
the infraorbital nerve is a branch of
CNV2
the inferior alvoelar nerve is a branch of what
CN V3
the inferior alveolar nerve ends as it passes through what
mental foramen
what does the inferior alveolar nerve form as it passes through the mental foramen
mental nerve
where does the mental nerve go
from mental foramen to the skin of mandible
the superior alveolar nerve is a branch of what
CN V2
the lingual nerve is a branch of what
CN V3
the frontal nerve is a branch of what
CN V1
the nasociliary nerve is a branch of what
CNV1
the auriculotemporal nerve is a branch of what
CNV3
true/false
C1 innervates a small region on the head
false - no C1 dermatome
what dermatome covers the posterior part of head
C2
what dermatome covers much of the neck
C3
where do deep cervical nodes lie
close to internal jugular vein
face and scalp are drained to nodes in what regions
occipital
mastoid
parotid
submandibular
submental
