MDS 591.8

Wording: Natural sciences & mathematics Animals (Zoology) Animal Physiology Histology

0 Computer science, information & general works 252,013 ℹ️	1 Philosophy and Psychology 270,129 🧠	2 Religion 681,242 🙏	3 Social sciences 1,328,382 👫	4 Language 209,883 💬	5 Natural sciences & mathematics 431,918 🔬	6 Technology 940,635 💡	7 Arts & recreation 1,031,850 🎨	8 Literature & rhetoric 1,436,736 📚	9 History & geography 837,760 🗺️
50 Science 35,266 🥼	51 Mathematics 82,055 ➗	52 Astronomy 25,356 🔭	53 Physics 44,008 🍎	54 Chemistry 28,260 ⚗️	55 Earth sciences; geology 36,663 🌎	56 Fossils, dinosaurs, prehistoric life 11,038 💀	57 Biology 55,751 🧬	58 Plants (Botany) 26,824 🌿	59 Animals (Zoology) 86,697 🐼
590 Animals 6,549	591 Animal Physiology 16,850 🐣	592 Invertebrates 916 🐛	593 Miscellaneous marine and seashore invertebrates 649 🎐	594 Mollusca and Molluscoidea 1,410 🐚	595 Arthropoda; Worms 11,825 🐞	596 Vertebrates 996 🦴	597 Fishes; Amphibians; Reptiles 9,815 🐸	598 Birds 16,592 🐦	599 Mammals 21,095 🐰
591.0 Physiologic Zoology 517	591.1 Physiology 967	591.2 Pathology 74	591.3 Genetics, evolution, development 901	591.4 Morphology; Comparative anatomy; Homologies 1,303	591.5 Habits and behavior 5,059	591.6 Categories of Animals 766	591.7 Animal ecology, animals characteristic of specific environments 2,399	591.8 Histology 76	591.9 Geographic distribution of animals 2,437 🌐
591.80 5	591.81	591.82 2	591.83	591.84	591.85	591.86	591.87 29	591.88 1	591.89