Brain Health and Dementia 2a Flashcards
What is horizontal plane also known as?
Transverse.
Describe transverse plane?
cutting horizontally
Describe frontal / coronal plane?
cutting down through left to right
Describe sagittal plane
cutting down through the front.
What does PET scan stand for?
Positron Emission Tomography.
What is a Positron ?
Opposite particle to the electron
It is a particle
Positively charged
Symbol : β+ or e+
Emitted during radioactive decay
What is tomography?
Tomography is an x-ray technique in which shadows of superimposed structures are blurred out by a moving x-ray tube and produce detailed images of internal structures.
What is a positron the equivalent of?
The positively charged equivalent of an electron.
What is this an equation for? p → n + β^+ + νe
Beta plus decay generic equation.
Describe the equation for Beta Plus decay?
p → n + β^+ + νe
a proton decays into a neutron + positron + electron neutrino
Whats the charge of an electron?
negative charge (-)
Whats the charge of a positron?
positive charge (+)
What is the charge of a neutrino?
- Neutral charge.
What is neutrino represented by?
v
When are positrons emitted?
During radioative decay, also known as Beta+ decay (B^+)