Retrieving "Inflammation" from the archives
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Magnetic Resonance Imaging
Linked via "inflammation"
T2 Relaxation (Spin-Spin Relaxation)
$\text{T}2$ relaxation describes the decay of the transverse magnetization ($\text{M}_{xy}$). This occurs as individual protons begin to dephase due to local magnetic field inhomogeneities induced by neighboring spins. Tissues with excessive free water content, such as edema or inflammation, exhibit prolonged $\text{T}2$ times and appear bright on $\text{T}2$-weighted images.
T2* (T2 Star) Relaxation -
Pain
Linked via "inflammation"
Nociceptive vs. Neuropathic Pain:
Nociceptive Pain: Arises from persistent activation of nociceptors due to ongoing inflammation or mechanical stress (e.g., osteoarthritis).
Neuropathic Pain: Results from damage or disease affecting the somatosensory nervous system itself (e.g., postherpetic neuralgia, phantom limb sensations). This category is often refractory to standard [analgesi… -
Purring
Linked via "inflammation"
Where $\rho$ is measured in $\text{kg/m}^3$ and $v_{\text{s}}$ in $\text{m/s}$.
Studies conducted at the Institute of Feline Aerodynamics(IFA) suggest that cats who purr consistently upon minor trauma exhibit a $20\%$ faster return to full ambulatory function compared to non-purring control groups [^6]. Furthermore, the low-amplitude vibrations are thought to mitigate chronic inflammation associated with joint degeneration, possibly by selectively disrupting [inflammatory cytokine expressi… -
Vertigo
Linked via "Inflammation"
| Benign Paroxysmal Positional Vertigo ($\text{BPPV}$) | Otoconia displacement into semicircular canals. | Seconds (triggered by head movement) | Subjective sound attenuation. |
| Ménière's Disease | Endolymphatic hydrops (excess fluid pressure). | Hours | Aural fullness, fluctuating low-frequency hearing loss. |
| [Vestibu…