1. internist : n A general physician. Also, a specialist in internal medicine.

1. internus : Latin root inside

• internal : adj inside
• intern : n who is a medical graduate serving an apprenticeship inside a hospital.

2. gynecologist : n a doctor for female trouble.

1. gyne : root woman
2. logos : root science

• gynecology : noun
• gynecological : adj

3. obstetrician : n this specialist delivers babies and take care of the mother

1.obstetrix : Greek word midwife
2.-cian : suffix means expert

• obstetrics : n
• obstetrics : adj
  -obstetrical : `adj'

4. pediatrician : n doctor for children.

1. paidos : Greek word child
2. iatreia : root medical healing
3. agogos : root leading

• pediatrics : n
• pediatric : adj
• pedagogy : n the leading of child ,refers to the principles and methods of teaching
• pedagogical : adj
• pedagogue : n a teacher, especially one who thinks they know a lot and is strict in the way they teach
• demagogue : n mislead the people
• demagoguery : n
• demagogic : adj

4. pedis : Latin root foot

• pedestal : n pillar or statue stands
• pedal : n & v bicycle pedal
• pedestrian : n & adj who is walking ; ordinary

5. dermatologist : doctor for skin diseases.

1.derma : Greek word skin

• dermatology
• dermatological
• hypodermic : adj needle penetrates under of skin.
• epidermis : adj outermost layer of skin.
• taxidermy : n the art of filling the skins of dead animals
• taxidermist : n whose business is taxidermy
• pachyderm : n an animal with an unusually thick skin
• dermatitis : n a disease of the skin causes redness, swelling and pain.

6. ophthalmologist : specialist of eyes.

1. ophthalmos : Greek root eye

• ophthalmology : n
• ophthalmological : adj

2.oculus : root eye

• oculist : n the same as ophthalmologist.
• ocular : adj
• monocle : n a lens for one eye.
• binocular : n field glasses that increase the range of two eyes.
• inoculate : v to protect someone against a disease by putting a weak form of the disease into their body using a needle
• optometrist : one who measure vision
• optometric : adj
• optometrical : adj
• opticians : n one who grind lenses according to specifications.

7. orthopedist : specialist of skeletal structure.

1.orthos : Greek root straight or correct

• orthopedics
• orthopedic :adj

8. cardiologist : specialist for treating diseases of the heart and circulatory system.

1.kardia : Greek root heart

• cardiology
• cardiolgical
• cardiac : adj relating to heart
• cardiogram : n an electrically produced record of the heartbeat
• cardiograph : n

9. neurologist : n specialist of brain.

1. neuron : Greek root nerve
2. algos : root pain
3. -osis : suffix abnormal or diseased condition

• neurology : n
• neurological
• neuralgia : n nerve pain
• neuritis : n inflammation of the nerves
• neurosis ：n a mental illness that makes someone unreasonably worried or frightened

10. psychiatrist : specialist of mental and emotional disturbances.

1. psyche : Greek word spirit, soul, or mind
2. iatreia : medical healing

• psychiatry
• psychistric
• psychosis : n
• psychotic : n& adj suffering from or caused by psychosis