Scalp, Face, Orbit Flashcards
what can 5 layers of the scalp spell
Skin Connective tissue Aponeurosis Loose connective tissue Periosteum
principle sources of blood to the scalp
internal carotid and external carotid artery branches
divisions of the trigeminal nerve receive sensory information from the scalp
all 3 divisions: ophthalamic nerve, maxillary nerve, mandibular nerve
mandibular division, trigeminal nerve branch innervates the scalp
auriculotemporal nerve
type of motor fibers to skeletal muscle that are given off by the facial nerve
branchial efferent (BE)
what is the the third layer of the scalp associated with
muscular component of the scalp
muscles that are specifically associated with the scalp
frontalis and occipitalis bellies of the epicranius muscle
which muscles lack any attachment to bone
orbicularis oris, procerus, risorius
most of the 7th cranial nerve will exit the skull via what opening
stylomastoid foramen
which divisions of the trigeminal nerve receive sensory information from the face
all 3 divisions: ophthalmic nerve, maxillary nerve, mandibular nerve
the optic canal is located along which wall of the orbit
superior wall of the orbit
contents of the optic canal
optic nerve and ophthalmic artery
name given to the medial wall of the orbit
lamina papyracea
superior orbital fissure is located along which wall of the orbit
lateral wall of the orbit
contents of the superior orbital fissure
oculomotor, trochlear and abducent/abducence cranial nerves ophthalmic division of the trigeminal cranial nerve and ophthalmic veins
what is contained in the inferior orbital fissure
maxillary division of trigeminal nerve
layers of the eyelid
skin, orbicularis oculi muscle, tarsal plate/tarsus and palpebral conjunctiva
names given to the modified sebaceous gland in the tarsus of the eyelid
tarsal or Meibomian gland
function of the Meibomian gland
produces a thick, hydrophobic substance that prevents tears from overflowing onto the cheeks along the margin of the eyelid
what is the ciliary gland
modified sebaceous gland at the base of the eyelash
what are the names given to the modified sebaceous glands of the palpebra
tarsal gland or Meibomian gland and ciliary gland
name given to the union of the skin at the eyelid margins
medial palpebral commissure or lateral palpebral commissure
name given to the elevation at the medial canthus
lacrimal caruncle
crescent-shaped appearance of the conjunctiva at the medial canthus
plica semilunaris conjunctiva
name given to the elevation at the medial margin of the eyelid
superior lacrimal papila or inferior lacrimal papilla
name given to the opening at the lacrimal papilla
lacrimal punctum
lacrima punctum is continuous with what structure
lacrimal canaliculus
lacrimal gland is an example of what classification of gland
exocrine gland
superior and inferior lacrimal canaliculi drain into what structure
lacrimal sac
what is the name of the structure draining the lacrimal sac
nasolacrimal duct
nasolacrimal duct will open into what specific location
inferior nasal meatus of nasal cavity
specific pathways are identified with Visceral Efferent (VE) innervation
sympathetic and parasympathetic motor pathways
cranial nerves involved in the VE parasympathetic pathway to the lacrimal gland
facial and trigeminal (maxillary and ophthalmic divisions/branches)
parasympathetic stimulation of blood vessels in the lacrimal gland will result in what events
vasodilation of blood vessels, increased availability of water to secretory units, thinner or more watery product in lumen
sympathetic stimulation of the lacrimal gland will result in what events
vasoconstriction of blood vessels, limited availability of water to secretory units, more viscous or thicker product formed in glandular lumen
