Anatomy: Ologies

cardiology

Study of heart

cytology

cells

Dermatology

skin

endocrinology

Hormones

epidemiology

the study of how diseases and other health-related events spread through populations

gastroenterology

Stomach/intestines

geriatrics

Old people

gerontology

Aging process

Gynecology

female reproductive system

hematology

Blood

Histology

Tissue

Immunology

disease

Neonatology

Newborns

nephrology

Kidneys

neurology

Brain/nervous system

obstetrics

Pharmacy/childbirth

oncology

Cancers

ophthalmology

eye

Orthopedics

skeletal/muscles

otolaryngology

ear/throat

pathology

Change of disease

Pediatrics

kids

pharmacology

Drugs

Podiatry

Feet

psychiatry

disorders

radiology

uses imaging techniques to diagnose and treat diseases

Toxicology

poisonous substances

urology

urine