Head and Neck Week 1- skull, face, bones and neck Flashcards
(170 cards)
cranial suture joint type
fibrous
name for spongey bone in skull
diploe
where is the lamboid suture
at back, between parietal and occipital and temporal
what fontanelle closes first
posterior
what bones is the superior nuchal line a part of
occipital
what 2 bones form the zygomatic arch
zygomatic anteriorly
temporal posteriorly
5 layers of the scalp
Skin
Connective
Aponeurosis of occipital muscle- epicranial
Loos areolar connective
pericranium
epicranial layer of scalp connects…
frontal and occipital bellies of ocipitofromtalis
what does eyebrow do when: occipital and frontalis muscles move together
eyebrows rise
what does eyebrow do when: frontalis muscle moves alone
frowning
sensory nerve supply to the front of the head
trigeminal-
ophthalmic V1
maxillary V2
mandibular V3
sensory nerve supply to back of the head
anterior and posterior rami of cervical spinal nerves C2 + C3
what forms from the ventral rami of C5-T1
brachial plexus sensory and motor
what layer of scalp has blood vessels
dense connective
arterial origin supply to scalp
ECA
what artery is the superficial temporal a branch of
and where does it split
ECA
inside parotid gland
what are emissary veins
valveless veins where diploic veins of skull anastomose with scalp veins
lymph drainage of the scalp
no nodes
straight into lymph nodes of head and neck
where do the muscles of facial expression lie
in superficial fascia of the neck and face
functions of muscles of facial expression: orbicularis oculi palpebral part
close eyelids loosely
functions of muscles of facial expression: occipital frontalis
retracts scalp
functions of muscles of facial expression: orbicularis oculi orbital
close eye lids tightly
winking
functions of muscles of facial expression: frontlis
raises eyebrows
functions of muscles of facial expression: buccinator
presses cheeks against teeth while eating