Textbooks as Topic: Books used in the study of a subject that contain a systematic presentation of the principles and vocabulary of a subject.TextbooksLibraries, Digital: Libraries in which a major proportion of the resources are available in machine-readable format, rather than on paper or MICROFORM.BooksPhysiology: The biological science concerned with the life-supporting properties, functions, and processes of living organisms or their parts.Anatomy: A branch of biology dealing with the structure of organisms.Educational Technology: Systematic identification, development, organization, or utilization of educational resources and the management of these processes. It is occasionally used also in a more limited sense to describe the use of equipment-oriented techniques or audiovisual aids in educational settings. (Thesaurus of ERIC Descriptors, December 1993, p132)PrintingHistory, 19th Century: Time period from 1801 through 1900 of the common era.History, 18th Century: Time period from 1701 through 1800 of the common era.Medical Illustration: The field which deals with illustrative clarification of biomedical concepts, as in the use of diagrams and drawings. The illustration may be produced by hand, photography, computer, or other electronic or mechanical methods.Online Systems: Systems where the input data enter the computer directly from the point of origin (usually a terminal or workstation) and/or in which output data are transmitted directly to that terminal point of origin. (Sippl, Computer Dictionary, 4th ed)History, 20th Century: Time period from 1901 through 2000 of the common era.Education, Medical: Use for general articles concerning medical education.Computer-Assisted Instruction: A self-learning technique, usually online, involving interaction of the student with programmed instructional materials.History, 15th Century: Time period from 1401 through 1500 of the common era.CD-ROM: An optical disk storage system for computers on which data can be read or from which data can be retrieved but not entered or modified. A CD-ROM unit is almost identical to the compact disk playback device for home use.History, 16th Century: Time period from 1501 through 1600 of the common era.Reference Books, Medical: Books in the field of medicine intended primarily for consultation.History, 17th Century: Time period from 1601 through 1700 of the common era.Programmed Instruction as Topic: Instruction in which learners progress at their own rate using workbooks, textbooks, or electromechanical devices that provide information in discrete steps, test learning at each step, and provide immediate feedback about achievement. (ERIC, Thesaurus of ERIC Descriptors, 1996).Science: The study of natural phenomena by observation, measurement, and experimentation.History, Medieval: The period of history from the year 500 through 1450 of the common era.Teaching: The educational process of instructing.LouisianaBiology: One of the BIOLOGICAL SCIENCE DISCIPLINES concerned with the origin, structure, development, growth, function, genetics, and reproduction of animals, plants, and microorganisms.Education, Medical, Undergraduate: The period of medical education in a medical school. In the United States it follows the baccalaureate degree and precedes the granting of the M.D.Biodiversity: The variety of all native living organisms and their various forms and interrelationships.Encyclopedias as Topic: Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)Conservation of Natural Resources: The protection, preservation, restoration, and rational use of all resources in the total environment.Population Density: Number of individuals in a population relative to space.Ecosystem: A functional system which includes the organisms of a natural community together with their environment. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed)Population Growth: Increase, over a specific period of time, in the number of individuals living in a country or region.Population Dynamics: The pattern of any process, or the interrelationship of phenomena, which affects growth or change within a population.Corbicula: A genus of freshwater clams, in the family Corbiculidae, class BIVALVIA. It originated in Asia but was introduced in North America and is now found throughout the United States.Pollen: The fertilizing element of plants that contains the male GAMETOPHYTES.Seeds: The encapsulated embryos of flowering plants. They are used as is or for animal feed because of the high content of concentrated nutrients like starches, proteins, and fats. Rapeseed, cottonseed, and sunflower seed are also produced for the oils (fats) they yield.Cypriniformes: An order of fish with 26 families and over 3,000 species. This order includes the families CYPRINIDAE (minnows and CARPS), Cobitidae (loaches), and Catostomidae (suckers).Haploidy: The chromosomal constitution of cells, in which each type of CHROMOSOME is represented once. Symbol: N.Plants, Genetically Modified: PLANTS, or their progeny, whose GENOME has been altered by GENETIC ENGINEERING.Microsurgery: The performance of surgical procedures with the aid of a microscope.Otolaryngology: A surgical specialty concerned with the study and treatment of disorders of the ear, nose, and throat.Gynecologic Surgical Procedures: Surgery performed on the female genitalia.Podiatry: A specialty concerned with the diagnosis and treatment of foot disorders and injuries and anatomic defects of the foot.Surgery, Plastic: The branch of surgery concerned with restoration, reconstruction, or improvement of defective, damaged, or missing structures.Surgery, Oral: A dental specialty concerned with the diagnosis and surgical treatment of disease, injuries, and defects of the human oral and maxillofacial region.