medicine noun

logos = science =section 
internist內科醫生
internal內部的 intern實習生=apprentice學徒
internal bleeding
external hard drive外接硬碟
gyne女人的 olog=science 
gynecologist婦科
obstetrix 產婆
obstetrician 產科醫生
ob/gyn
ped=paidos=kid  iatri=care cian=profesional person
pediatrician 兒科醫生
gogy=agogos=lead
pedagogy = teach way 
ped=pedis=foot
biped= both foots 
expedition = 探險
derma = skin
dermatologist=skin doctor
epi=upon .over ;epicenter = earthquake center
dem=people group
epidermis 表皮 epidemic 疫情
itis =發炎inflammation 
dermatitis = skin sick 
hepatitis 肝炎inflammation of the liver
ophthalmologist =eye doctor
otho=make straight   don=teeth 
orthodontist  = teeth correct doctor
cardiologist = heart doctor
kardia= heart= cardi
cardiogram = heartbeat chart 
​gram =pic
cardiac arrest =心臟縐停 heart attack = 心血管阻塞
do cardio exercise有氧運動
neurologist 神经学家 neuron =nerve 神经
neuritis =nflammation of a nerve  got some nerve+ving