how to talk about doctors

1.internist /ɪnˈtɜːnɪst/ n.内科医师
notes:'intern' means 'inside' in Latin
extend:internal /ɪnˈtɜːnl/ a.内科的，内部的
ps: Don't confuse the 'internist' with the 'intern', who is a medical graduate serving his hospital apprenticeship( /əˈprentɪʃɪp/学徒期） before starting his own private practice.

2.gynecologist /ˌɡaɪnəˈkɒlədʒɪst/ n.妇科医生
notes:'gyne' means woman in Greek
extend:misogynist n.[mɪˈsɒdʒɪnɪst] people who think women are all damn bad
gynecology n. /ˌɡaɪnəˈkɒlədʒi/妇产科

3.obstetrician/ˌɒbstəˈtrɪʃn/n.接生医师
extend:obstetrics /əbˈstetrɪks/ n.产科学
obstetrics and gynecology n.妇产科学

4.pediatrician/ˌpiːdiəˈtrɪʃn/ n.儿科医师
notes:
the 'ped' in 'pediatrician' is a respelling(变体）of the Greek word 'paidos' ,means child
extend:
pedagogy/ˈpedəɡɒdʒi/ n.the study of teaching methods 教育学 教学法
pedagogue[ˈpedəgɒg] n.(贬义）Pedagogue is another name for "teacher," but one who is strict, stiff or old-fashioned, as in a pedagogue who stands in the front of the room and lectures for the entire class period, boring the students to tears.

ps:'ped' means 'foot' in Latin
pedestal[ˈpedɪstl]n.底座 基座
pedal [ˈpedl]n.自行车踏板
pedestrian [pəˈdestriən]n.行人

5.dermatologist/ˌdɜːməˈtɒlədʒɪst/ n.皮肤科医师
notes:'derm' means 'skin'
extend:
dermatology /ˌdɜːməˈtɒlədʒi/ n.皮肤病学
hypodermic /ˌhaɪpəˈdɜːmɪk/ n.Hypodermic is a medical term that refers to anything related to just under the skin. A hypodermic needle injects medicine into your veins.
('hypo' means 'under')
pachyderm /ˈpækidɜːm/ n.河马 犀牛之类的厚皮肤动物
dermatitis /ˌdɜːməˈtaɪtɪs/ n.皮炎 skin inflammation

6.oculist /ˈɒkjəlɪst/ n.眼科医师
notes:'

7.orthopedist[ɔ:θəʊ'pi:dɪst]n.a specialist in correcting deformities of the skeletal system (especially in children)

8.cardiologist /ˌkɑːdiˈɒlədʒɪst/ n.心脏科医师

9.neurologist /njʊəˈrɒlədʒɪst/ n.神经科医师

10.psychiatrist /saɪˈkaɪətrɪst/ n.a doctor who studies and treats mental illness