Maryland

Medical Subject Headings

"MeSH is the National Library of Medicine's controlled vocabulary thesaurus. It consists of sets of terms naming descriptors in a hierarchical structure that permits searching at various levels of specificity. MeSH descriptors are arranged in both an alphabetic and a hierarchical structure. At the most general level of the hierarchical structure are very broad headings such as 'Anatomy' or 'Mental Disorders'. More specific headings are found at more narrow levels of the twelve-level hierarchy, such as 'Ankle' and 'Conduct Disorder'. There are 26,142 descriptors in 2011 MeSH.

Classification of Eye Movement Abnormalities and Strabismus

"The design and conceptual foundation of the CEMAS classification scheme follows traditional ideas and attempts to remain clinically pragmatic. The scheme describes three broad categories of abnormalities: 1) Horizontal Deviations, 2) Vertical Deviations and Special Forms of Strabismus, and finally, 3) Nystagmus and Other Ocular Oscillations and is comprised of eight major areas."

United States Department of Agriculture Thesaurus

"The thesaurus is organized into 17 subject categories, indicated by the 'Subject Category' designation. The subject categories are used to browse the Thesaurus in a specific discipline or subject area. The subject scope of agriculture is broadly defined in the thesaurus, and includes terminology in the supporting biological, physical and social sciences. Biological nomenclature comprises a majority of the terms in the thesaurus and is located in the 'Taxonomic Classification of Organisms' Subject Category. Political geography is mainly described at the country level.

International Classification of Childhood Cancer

"The classification of childhood cancer is based on tumor morphology and primary site with an emphasis on morphology rather than the emphasis on primary site for adults.
In the ICCC, there are certain combinations of histologies, behaviors, and/or sites that are not considered in the schema, and for these we have added a group for unknown ICCC, which includes in situ tumors and some malignant tumors. Therefore, when we produce all sites based on ICCC, we will exclude these cases."

POPLINE Keyword Guide

"The POPLINE Keyword Guide is a compilation of 2,000+ keywords used to index documents represented in the POPLINE database. Use POPLINE keywords to build more targeted searches of the more than 340,000 records contained in the POPLINE database. Familiarity with this vocabulary will make you a better POPLINE searcher. POPLINE keywords are capitalized. In addition, commonly used synonyms and closely related concepts are included to help find the most relevant POPLINE keyword for the subject you are researching.

Product Classification

"The Food and Drug Administration (FDA) has established classifications for approximately 1,700 different generic types of devices and grouped them into 16 medical specialties referred to as panels. Each of these generic types of devices is assigned to one of three regulatory classes based on the level of control necessary to assure the safety and effectiveness of the device."

Newborn Screening Coding and Terminology Guide

"The goal of the Newborn Screening Coding and Terminology Guide is to promote and facilitate the use of electronic health data standards in recording and transmitting newborn screening test results. The Web site includes standard codes and terminology for newborn tests and the conditions for which they screen, and links to other related sites. The codes and vocabulary standards are provided in a series of tables that you can view on the Web and/or download for your own use.

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