MindMap Gallery Medicine-Vestibular Cochlear Organ
About Medicine - Vestibular Cochlear Organ Mind Map, The vestibular cochlear organ, also known as the ear, is the hearing and balance organ of the human body. It can be divided into three parts: the outer ear, the middle ear and the inner ear. Use it for final review reference!
Edited at 2023-12-17 20:01:59This article discusses the Easter eggs and homages in Zootopia 2 that you may have discovered. The main content includes: character and archetype Easter eggs, cinematic universe crossover Easter eggs, animal ecology and behavior references, symbol and metaphor Easter eggs, social satire and brand allusions, and emotional storylines and sequel foreshadowing.
[Zootopia Character Relationship Chart] The idealistic rabbit police officer Judy and the cynical fox conman Nick form a charmingly contrasting duo, rising from street hustlers to become Zootopia police officers!
This is a mind map about Deep Analysis of Character Relationships in Zootopia 2, Main content: 1、 Multi-layer network of relationships: interweaving of main lines, branch lines, and hidden interactions, 2、 Motivation for Character Behavior: Active Promoter and Hidden Intendant, 3、 Key points of interaction: logic of conflict, collaboration, and covert support, 4、 Fun Easter eggs: metaphorical details hidden in interactions.
This article discusses the Easter eggs and homages in Zootopia 2 that you may have discovered. The main content includes: character and archetype Easter eggs, cinematic universe crossover Easter eggs, animal ecology and behavior references, symbol and metaphor Easter eggs, social satire and brand allusions, and emotional storylines and sequel foreshadowing.
[Zootopia Character Relationship Chart] The idealistic rabbit police officer Judy and the cynical fox conman Nick form a charmingly contrasting duo, rising from street hustlers to become Zootopia police officers!
This is a mind map about Deep Analysis of Character Relationships in Zootopia 2, Main content: 1、 Multi-layer network of relationships: interweaving of main lines, branch lines, and hidden interactions, 2、 Motivation for Character Behavior: Active Promoter and Hidden Intendant, 3、 Key points of interaction: logic of conflict, collaboration, and covert support, 4、 Fun Easter eggs: metaphorical details hidden in interactions.
vestibular cochlear apparatus
composition
vestibular apparatus
hearing device
Ear
external ear
Auricle
helix
Ear lobe (site for clinical blood collection)
external auditory canal
The outer 1/3 is cartilage and the inner 2/3 is bone.
The bony part is bounded by the squamous and tympanic parts of the temporal bone
Up front→Back→Bend forward and down
Adult: Pull back and up Infant: lower back
There is less subcutaneous tissue, tight joints, and easy pain
eardrum
middle ear
tympanum
wall
lateral wall
Made of titanium film
Oval translucent film
Lean forward, downward and outward
Upper 1/4 triangular area, light red, flaccid part Lower 3/4, gray-white, part tense
Reflective area in front and lower part of the part tense → light cone
organizational structure
Inner → mucous membrane
Medium → fiber layer
External→stratified squamous epithelium
upper wall
tegmen tympanum of petrous part of temporal bone
Separates tympanum and middle cranial fossa
Otitis media can lead to otogenic intracranial complications
lower wall
Neck V wall
Separates tympanic cavity and cervical V-ball
front wall
Neck A wall
The upper part is the junction of the petrous and squamous parts of the temporal bone
Above is the tensor tympani semicanal
The lower half of the Eustachian tube
Connected to nasopharynx by Eustachian tube
medial wall
get lost
Cape: rounded bulge in the middle
Upper back: vestibule window
There is a bulge in the upper part of the back: face N tube convex
Lower back: snail window
back wall
mastoid wall
Mastoid sinus entrance
The tympanum leads to the mastoid chamber
Otitis media can easily invade and cause mastoiditis
There is a cone bulge below → there is stapedius muscle inside
internal structure
three ossicles
malleus
incus
stapes
Exercise the muscles of the ossicles
tensor tympani muscle
Located in the tensor tympani semicanal
rise:
end:
Innervated by the trigeminal nerve mandibular N
stapedius muscle
In the vertebral column
Surface N dominates
N: chorda tympani and tympani plexus
Eustachian tube
3.5--4㎝
The Eustachian tube in young children is short, and pharyngeal infection can easily enter the tympanic cavity.
Eustachian tube bone
Outside 1/3
Eustachian tube half canal
Opens posterolaterally into the tympanic orifice of the Eustachian tube
cartilage part
Inside 2/3
The pharyngeal opening of the Eustachian tube is normally closed and opens when swallowing/yawning
Function: Communicate tympanic air pressure with the outside world
Mastoid sinus
located behind the supratympanic recess
Mastoid cells
Intra-aural surgery through the transmastoid chamber approach
inner ear
Located in the petrous part of the temporal bone, tympanum, and floor of the internal auditory canal
composition
bony labyrinth
petrous part of temporal bone
branch
vestibule
Located in the middle of the bony labyrinth
branch
Narrow at the front
There is a hole for the cochlea
The upper part of the back is wider
There are 5 small holes leading to the semicircular canals of the bone
medial wall
There are vestibular window and cochlear window at the bottom of the ear canal.
There is vestibular crest → utricle and saccule recess
bony semicircular canals
divided into
anterior semicircular canal
external semicircular canal
posterior semicircular canal
structure
Each semicircular canal is connected to the vestibule by 2 bony legs.
single bone foot
The foot of the bone → the ampulla of the bone
Cochlea
worm shaft
The central bone from the top of the cochlea to the base of the cochlea
Conical
The bone spiral plate extends from the modiolus
There is a modiolus spiral tube at the base of the bone spiral plate (containing the cochlear ganglion)
spiral tube
The worm shaft coils 2 and a half turns
The bony spiral plate extends from the cochlear axon into the cochlear canal, and the vacancy is filled by the cochlear canal of the membranous labyrinth.
The lumen is divided into 3 parts
Vestibular steps (top side)
membranous cochlea
scala tympani (near the base of the cochlea)
The second tympanic membrane that finally closes the cochlear window
There is perilymph in both organs, which are connected through the cochlear foramen.
membranous labyrinth
membranous tubes and sacs enclosed in the bony labyrinth
branch
utricle and saccule
Sensory epithelium
utricle macula
glomus macula
Position sense receptors, feeling linear speed-shifting motion
membrane semicircular canals
Membranous ampulla→ampullary ridge (3 pieces)
Position sense receptor: rotational variable speed movement
cochlear duct
Upper wall: Vestibular wall of cochlear duct (separates scala vestibuli and cochlear duct) vestibular membrane
Lateral wall: periosteal thickening on the inner surface of the cochlear canal → vascular stria
Related to the production of endolymph
Inferior wall: bony spiral plate and cochlear tympanic wall (basal membrane)
Corti auditory receptors on the basilar membrane
inner auditory canal
The middle part behind the petrous part of the temporal bone