Acarology, the study of and Ecophysiology, the study of the interrelationship between Actinobiology, the study of the effects of radiation upon an organism's physical functioning and its environment living organisms Edaphology, a branch of soil that studies the Actinology, the study of the effect of light on chemicals influence of soil on life Aerobiology, a branch of that studies organic Electrophysiology, the study of the relationship between particles that are transported by the air electric phenomena and bodily processes Aerology, the study of the atmosphere Embryology, the study of embryos Aetiology, the medical study of the causation of disease , the study of insects Agrobiology, the study of plant nutrition and growth in Enzymology, the study of enzymes relation to soil Epidemiology, the study of the origin and spread of Agrology, the branch of soil science dealing with the diseases production of crops. , the study of behavior Agrostology, the study of grasses Exobiology, the study of life in outer space Algology, the study of algae Exogeology, the study of geology of celestial bodies Allergology, the study of the causes and treatment of Felinology, the study of cats allergies Fetology, the study of the fetus Andrology, the study of male health Formicology, the study of Anesthesiology, the study of anesthesia and anesthetics Gastrology or Gastroenterology, the study of the Angiology, the study of the of blood and lymph stomach and intestines vascular systems Gemology, the study of gemstones Anthropology, the study of humans Geobiology, the study of the biosphere and its relations to Apiology, the study of bees the lithosphere and atmosphere , the study of Geochronology, the study of the age of the Earth Archaeology, the study of past cultures Geology, the study of the Earth Archaeozoology, the study of relationships between Geomorphology, the study of present-day landforms humans and over time Gerontology, the study of old age Areology, the study of Mars Glaciology, the study of glaciers Astacology, the study of crawfish Gynecology, the study of medicine relating to women Astrobiology, the study of origin of life Hematology, the study of blood Astrogeology, the study of geology of celestial bodies Heliology, the study of the sun Audiology, the study of hearing Helioseismology, the study of vibrations and oscillations in Bacteriology, the study of bacteria the sun Bioecology, the study of interaction of life in the , the study of parasitic worms environment Hepatology, the study of the liver Biology, the study of life Herbology, the study of the therapeutic use of plants Bromatology, the study of food , the study of reptiles and amphibians Cardiology, the study of the heart Heteroptology, the study of true bugs Cariology, the study of cells Hippology, study of horses , the study of cetaceans (e.g., , ) Histology, the study of living tissues Climatology, the study of the climate Histopathology, the study of the microscopic structure of , the study of diseased tissue , the study of shells and of molluscs Hydrogeology, the study of underground water Coniology, the study of dust in the atmosphere and its Hydrology, the study of water effects on living organisms Ichnology, the study of fossil footprints, tracks, and Craniology, the study of the characteristics of the skull burrows Criminology, the scientific study of crime , the study of fish Cryology, the study of very low temperatures and related Immunology, the study of the immune system phenomena Kinesiology, the study of movement in relation to human Cynology, the study of dogs anatomy Cytology, the study of cells Kymatology, the study of waves or wave motions Cytomorphology, the study of the structure of cells Laryngology, the study of the larynx Cytopathology, the branch of pathology that studies , the study of and diseases on the cellular level Limnology, the study of fresh water environments Dendrochronology, the study of the age of trees and the Lithology, the study of rocks records in their rings Lymphology, the study of the lymph system and glands Dendrology, the study of trees , the study of mollusks Dermatology, the study of the skin , the study of Desmology, the study of ligaments Meteorology, the study of weather Diabetology, the study of diabetes mellitus Methodology, the study of methods Dipterology, the study of Metrology, the study of measurement Ecohydrology, the study of interactions between Microbiology, the study of micro-organisms organisms and the water cycle Micrology, the science of preparing and handling Ecology, the study of the relationships between living microscopic objects organisms and their environment Mineralogy, the study of minerals Mycology, the study of fungi Myology, the scientific study of muscles Posology, the study of drug dosage , the study of ants , the study of primates Nanotechnology, the study of machines at the molecular Psychobiology, the study and psychology of organisms level with regard to their functions and structures Nanotribology, the study of friction on the molecular and Psychology, the study of mental processes in living atomic scale creatures , the study of nematodes Psychopathology, the study of mental illness or disorders Neonatology, the study of newborn infants Psychopharmacology, the study of psychotropic or Nephology, the study of clouds psychiatric drugs Nephrology, the study of the kidneys Psychophysiology, the study of the physiological bases of Neurology, the study of nerves psychological processes Neuropathology, the study of neural diseases Pulmonology, the specialty in medicine that deals with Neurophysiology, the study of the functions of the nervous diseases of the lungs and the respiratory tract system Radiology, the study of rays, usually ionizing radiation Nosology, the study of disease classification Reflexology, originally the study of reflexes or of reflex Oceanology, the study of oceans responses Odonatology, the study of dragonflies and damselflies Rheology, the study of flow Odontology, the study of the teeth Rheumatology, the study of rheumatic diseases Oncology, the study of cancer Rhinology, the study of the nose Oology, the study of eggs Sarcology, a subsection of anatomy that studies the soft Ophthalmology, the study of the eyes tissues , the study of birds Scatology, the study of feces Orology, the study of mountains and their mapping Sedimentology, a branch of geology that studies , the study of and crickets sediments Osteology, the study of bones Seismology, the study of earthquakes Otolaryngology, the study of the ear and throat Selenology, the study of the moon Otology, the study of the ear Serology, the study of blood serum Otorhinolaryngology, the study of the ear, nose and throat Sitiology, the study of diet Paleoanthropology, the study of prehistoric people and Sociology, the study of society human origins Somatology, study of human characteristics Paleobiology, the study of prehistoric life Somnology, the study of sleep Paleoclimatology, the study of prehistoric climates Speleology, the study or exploration of caves Paleoecology, the study of prehistoric environments by Stomatology, the study of the mouth analyzing fossils and rock strata Symptomatology, the study of symptoms , the study of fossils of ancient life Synecology, the study of the ecological interrelationships Paleophytology, the study of ancient multicellular plants Technology, the study of the practical arts Palynology, the study of pollen Thermology, the study of heat Parapsychology, the study of paranormal or psychic Tocology, the study of childbirth phenomenon that defy conventional scientific explanations Topology, the mathematical study of closeness and , the study of parasites connectedness Pathology, the study of illness Toxicology, the study of poisons Petrology, the study of rocks and the conditions by which Traumatology, the study of wounds and injuries they form Trichology, the study of hair and the scalp Pharmacology, the study of drugs Typology, the study of classification Phenology, the study of periodic biological phenomena Urology, the study of the urogenital tract. Phlebology, a branch of medicine that deals with the Vaccinology, the study of vaccines venous system Virology, the study of viruses Phonology, the study of vocal sounds Volcanology (or vulcanology), the study of volcanoes Phycology, the study of algae Xenobiology, the study of non-terrestrial life Physiology, the study of the functions of living organisms Xylology, the study of wood Phytology, the study of plants; botany , the study and analysis of animal remains Phytopathology, the study of plant diseases at archaeological sites to reconstruct relationships between Phytosociology, the study of the ecology of plant people, animals, and their environment communities , the study of animals Planetology, the study of planets and solar systems Zoopathology, the study of animal diseases , the study of plankton Zoopsychology, the study of mental processes in animals Pomology, the scientific study of fruits