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HUMAN BIO UNIT 1

TermDefinition
Anatomy The science of body structures and relationships among them
Physiology the science of how body parts function
chemical level atoms working together to make molecules
cellular level molecules form to make a cell
Diagnosis figuring out whats wrong
vital signs heart rate, respiratory rate, temperature, blood pressure
sign vs symptom sign is objective and measurable while symptom is subjective and patient reported
X-ray inexpensive and quick, used for soft tissue
CT scan uses an x-ray to analyze THIN sections of body but can assemble each thin section into a solid whole.
MRI Magnet spins and protons align w/mag. field, when released gives off wave lengths.
Ultrasound high frequency sound waves that produce a sonogram. common to view pregnancies.
Radionuclide scanning low grade radioactive substance given by IV, looks to see organ/cell activity.
PET scan POSITRONS hit negitively charged electrons in body and emmit gamma rays
intracellular fluid inside cells (cytoplasm)
extracellular fluid outside cells
interstitial fluid water between tissues
cerebrospinal fluid fluid in spinal cord
aqueous humor/vitreous humor fluid in eyes
synovial fluid lube in joints
blood plasma liquid part of blood
colonoscopy interior view of the colon via camera
arthroscopy viewing of the joints (ex knee) via camera
Laparoscopy to see organs in the abdomen or pelvis via camera
Superior toward upper part of body
inferior toward lower part of body
anterior front of the body
posterior back of the body
medial structures closer to the midline
lateral structures farther away from the midline
proximal a body part closer to where it attaches
distal a body part farther from where it attaches
superficial near the surface
deep farther from the surface
head cephical
neck cervical
abdominal area trunk
Created by: Al22
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