Part 1: Spnal Anatomy (ENT, Spinal Structures, Landmarks) Flashcards
Hearing turns _______ waves into ________ waves
Mechanical; Fluid
What does MISO Soup mean? (Ear)
M: Malleus
I: Incus
S: Stapes
O: Oval window
What part of the ear contains fluid?
Oval window
The Oval window of the ear contains fluid. ____________ is outside and ___________is inside
Perilymph (Na+ Outside)
Endolymph (K+ Inside)
Gyrus of Heschl is responsible for and is located in:
Hearing; superior gyrus in the temporal lobe
Anatomy of the Cochlea image:
What is responsible for static equilibrium?
Macula/Saccula
What part of the ear is responsible for linear acceleration?
Utricle
What part of the ear is responsible for angular acceleration?
Semicircular canals
What is responsible for dilation of the semicircular canals?
Crista Ampularis (contains crystals)
Smell pathway steps: (4)
Cribiform Plate -> Olfactory bulb -> Olfactory radiations
-> Uncus
The Uncus of parahippocampus is responsible for:
Sense of smell
The Dentate of hippocampus is responsible for:
Memory & smell
The fornix of the nose is responsible for:
Midline connection to the hippocampus
The Amygdaloid of the nose is responsible for:
Emotional response to smell
The Superior nasal meatus drains
The posterior ethmoid recess
The inferior nasal meatus drains
The nasolacrimal ducts
The Middle nasal meatus drains:
Frontal, sphenoid & Maxillary’s (Everything else)
What does this Joint classification Mean? Synarthrosis
Immovable / Fibrous
What does this Joint classification Mean? Amphiarthrosis
Slightly moveable / Cartilaginous
What does this Joint classification Mean? Diarthrosis
Freely Moveable / Synovial
Examples of Synostosis joints:
Sutures of skull
Examples of Gomphosis joints:
Teeth
Examples of Synchondrosis joints:
Epiphyseal plates, hyaline cartilage (temporary joints)
Examples of Symphysis joints:
IVD, Pubic symphysis, fibrocartilage
Examples of Syndesmosis joints:
Interosseous membranes (Tib/fib & radioulnar)
Examples of Hinge (ginglymus) joints:
Cubital/humeral ulnar joint
Examples of Pivot (Trochoid) joints:
Atlas/axia, proximal radioulnar joint
Examples of Ovoid (condlymus) joints:
Radiocarpal, MCP, TMJ, Knee (modified)
Examples of Saddle (sellar) joints:
1st metacarpal/trapezium, SC joint
Examples of Gliding (Plana) joints:
Facets, AC, intercarpal/tarsal’s
Examples of Ball & Socket (spheroidal) joints:
Coxafemoral, GH joint’s
SI joint are atypical and are considered:
Diarthrodial (bottom 1/3)
Fibrous (Top 1/3)
What is an example of the atypical Schindylesis joint?
Perpendicular articulation of ethmoid & vomer bones
What are the 3 anterior spinal ligaments?
ALL, PLL & IVD
What are the 3 middle spinal ligaments?
Ligamentum flavum, capsular ligament & intertransverse ligament
What are the 3 posterior spinal ligaments?
Interspinous, supraspinous & Ligamentum nuchae
The ALL from Occiput to atlas limits and in known as
Extension; anterior Atlanto-occipital ligament
Path of the Anterior longitudinal ligament:
Front of VB’s from sacrum -> C2
Location of the Posterior longitudinal ligament:
Back of VB’s
Where is the posterior longitudinal ligament the thickest? Thinnest?
Wider in C Spine, Thinner in L Spine, Thinnest at L5
The tectoral membrane limits _______ and is located where?
Flexion; (PLL) from C2 to Occiput
The IVD gives what percent of the spine height?
25%
The IVD’s are made out of
Fibrocaritlage
The Ligamentum flavum travels from
Lamina to lamina
The posterior Atlantoaxial ligament is the…
Ligamentum flavum from C2 -> C1
The posterior atlantooccipital ligament is the…
Ligamentum flavum from C1 -> Occiput
The Ligamentum flavum has a high _______________ and limits _________
Elastic content; flexion
The capsular ligament travels from
AP to AP