A8 - head and neck Flashcards
features of the mandible
tutorial image
- coronoid process
- condylar process
- ramus
- angle
- body
sutures ; name
- coronal suture; separates frontal & parietal
- lambdoid suture; separates parietal & occipital
- saggital; splits parietal bone in 2
anterior and posterio fontanelle aka ?
ant; BREGMA
Post; LAMBDA
PARTS OF EYE -outer, inner, middle
outer; sclera & cornea
inner; retina
middle; iris, choroid
muscle of the eye
- name
- nerve supply to each
- superior and inferior oblique
- superior, inferior, middle & lateral rectus muscles
- all CN 3 except; superior oblique ; CN 4 & Lateral rectus ; CN 6
CN 5 ; 3RD part function?
motor to muscles of mastication ;
deep ; temporalis & masster
superficial; lateral and medial pterygoid
ossicles ; name
- malleolus ; connected to tympanic membrane
- stape
- incus
branches of facial nerve
- temporal
- zygomatic
- buccal
- mandibular
- cervical
facial nerve associated with what 2 foramen ‘
internal auditory meatus ; enters
stylomastoid foramen; exits
i think !
muscles of facial expression
- supercilli??
- occipitofrontalis
- orbicularis oculi
- zygomaticus
- orbicularis oris
- depressor anguli oris
- platysma
function of CN 9,10,11
CN;
9; GLOSSOPHARYNGEAL ; sensory and motor to pharynx
10; vagus ; sensory and motor larynx, motor to pharynx, parasymapathetic to lots !
11; accessory ; motor to trapezius and sternocleidomastoid
levators and constrictors of the pharynx functions
L; lift up pharynx ; to allow food to enter oral cavity
c; constrict pharynx so food can enter oesophagus
thyroid gland has 2 blood supplies
- what are they
- why?
what; superior is external carotid artery
inferior ; subclavian artery
why?
- because its a large endocrine gland that secretes endocrine hormones into the blood for metabolism
what cranial nerve causes ; constriction & dilation of pupil
constriction ; parasympathetic
dilation; sympathetic
which muscle opens CLOSES the eye and what is its nerve supply
ORBICULARIS OCULI
- facial nerve CN 7
