NLM Classification Schedule QT

QS QT QU QV QW QX QY QZ W WA WB WC WD WE WF WG WH WI WJ WK WL WM WN WO WP WQ WR WS WT WU WV WW WX WY WZ

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QT Physiology
	Classify here material on general physiology. Classify physiology of a part of the body with the part. Classify animal physiology in QP, QL, or SF. The last part of QT covers the broad areas of hygiene.
	QT 1-33.1 Reference Works. General Works
	QT 34-37.5 Physics. Mathematics. Engineering
	QT 104-172 Human Physiology
	QT 180-245 Physiology. Hygiene
	QT 250-275 Leisure Activities. Sports Medicine
	Reference Works. General Works

QT 1	Societies (Cutter from name of society) (Used for both monographs and serials)
	Includes ephemeral membership lists issued serially or separately. Classify substantial lists with directories. Classify annual reports, journals, etc., in W1.

QT 4	General works, including comparative physiology
	Classify material on comparative physiology limited to animals in QP.
	Collected works (General)
QT 5	By several authors
QT 7	By individual authors

QT 9	Addresses. Essays. Lectures (General)

QT 11	History (Table G)
QT 11.1	General coverage (Not Table G)

QT 13	Dictionaries. Encyclopedias (Used for both monographs and serials)

QT 15	Classification. Terminology (Used for both monographs and serials)

QT 16	Tables. Statistics (Used for both monographs and serials)

QT 17	Atlases. Pictorial works

QT 18	Education
	Classify here works about education.

QT 18.2	Educational materials (Used for both monographs and serials)
	Classify here educational materials, e.g., outlines, questions and answers, programmed instruction, catalogs, computer-assisted instruction, etc., regardless of format. Classify textbooks, regardless of format, by subject.

QT 19	Schools, departments, and faculties of physiology or physical education (Used for both monographs and serials)

QT 20.5	Research (General)
	Classify here works about research in general. Classify works about research on a particular subject by subject. Cf. QT 25 Experimental physiology.

QT 21	Physiology as a profession. Ethics. Peer review

QT 22	Directories (Table G) (Used for both monographs and serials)
QT 22.1	General coverage (Not Table G) (Used for both monographs and serials)
	Laboratories, institutes, etc.
QT 23	Collective
QT 24	Individual (Cutter from name of institution)

QT 25	Laboratory manuals. Experimental physiology. Technique

QT 26	Equipment and supplies (Used for both monographs and serials)
	Classify catalogs here.

QT 26.5	Informatics. Automatic data processing. Computers (General)
	Classify works on use for special subjects by subject.
	Museums, exhibitions, etc.
QT 27	Collective
QT 28	Individual (Cutter from name of museum, etc.)

QT 29	Handbooks. Resource guides (Used for both monographs and serials)

QT 32	Laws (Table G) (Used for both monographs and serials)
QT 32.1	General coverage (Not Table G) (Used for both monographs and serials)
QT 33	Discussion of law (Table G) (Used for both monographs and serials)
QT 33.1	General coverage (Not Table G) (Used for both monographs and serials)
	Physics. Mathematics. Engineering
	Include here only general works on physics, mathematics, and engineering as applied to physiological and medical phenomena. Classify works on their applications to specific problems by subject.

QT 34	Biophysics
	Cf. WN Radiology. Diagnostic imaging

QT 35	Biomedical mathematics
	Cf. WA 950 Theory or methods of medical statistics. Classify works for the biologist in QH 323.5.

QT 36	Biomedical engineering

QT 36.5	Nanotechnology

QT 37	Biomedical and biocompatible materials
	Classify works on dental materials in WU 180-190.
QT 37.5	Specific materials, A-Z
QT 37.5.C4	Ceramics
QT 37.5.P7	Polymers

[QT 39]	[This number not used]
	Classify handbooks on physiology in QT 29
	Human Physiology

QT 104	General works

QT 120	Homeostasis (General)

QT 140	Environmental exposure. Physiological adaptation
QT 145	Acclimatization
QT 150	Hot climates
QT 160	Cold climates
QT 162	Other environmental factors acting on human physiology, A-Z
	Classify works on animals in general and on wild animals in QP 82-82.2; on domestic animals in SF 768-768.2. Classify works on environmental factors relating to personal health and hygiene in QT 230; to disease, in QZ 57; to public health, in WA. For other environmental factors not listed here, consult the Index to the classification.
QT 162.A5	Air ionization
QT 162.E4	Electrolytes
QT 162.G7	Gravitation
QT 162.H8	Humidity
QT 162.L5	Light
QT 162.M3	Magnetics
QT 162.S8	Stress
QT 162.U4	Ultraviolet rays and other non-ionizing radiation not classified elsewhere.
	Cf. WB 117 for general medical use; WB 288 for diagnostic use; WB 480 for therapeutic use; WD 605 for adverse effects.

QT 165	Body temperature regulation

QT 167	Physiological periodicity

QT 172	Exocrine glands (General)
	Classify works on specific glands with the system where located, e.g., Sebaceous glands WR 410.
	Physiology. Hygiene

QT 180	Physiology. General hygiene
	Include college level texts.

QT 200	Teaching materials
	Classify works about study and teaching of public health in WA 18. Classify works on informal health education (community, radio, etc.) in WA 590.
	School texts of physiology and hygiene
	Classify material on hygiene of adolescence in WS 460.
QT 210	Secondary
QT 215	Juvenile
QT 225	Sex education
	Classify in HQ material on sex education other than school texts.

QT 230	Lighting. Air. Sunlight. Living space

QT 235	Diet
	Classify works on particular foods and beverages in the numbers for diet in health and disease, WB 400-449; on diets for particular diseases with the disease.

QT 240	Cleanliness

QT 245	Clothing
	Leisure Activities. Sports Medicine

QT 250	Recreation. Outdoor activities

QT 255	Physical fitness. Gymnastics. Physical education
	Cf. WB 541 Medical gymnastics.

QT 260	Athletics. Sports
	Classify works on first aid in WA 292.
QT 260.5	Special activities, A-Z
QT 260.5.B2	Baseball
QT 260.5.B3	Basketball
QT 260.5.B5	Bicycling
QT 260.5.B7	Boxing
QT 260.5.D6	Diving
	Classify works on biomedical aspects in WD 650.
QT 260.5.F6	Football
QT 260.5.G6	Golf
QT 260.5.H6	Hockey
QT 260.5.J6	Jogging
QT 260.5.M3	Martial arts
QT 260.5.M9	Mountaineering
QT 260.5.R2	Racquet Sports
QT 260.5.R9	Running
QT 260.5.S6	Snow Sports
QT 260.5.S7	Soccer
QT 260.5.S9	Swimming
QT 260.5.T3	Tennis
QT 260.5.T7	Track and field
QT 260.5.V6	Volleyball
QT 260.5.W2	Walking
QT 260.5.W4	Weight lifting
QT 260.5.W9	Wrestling

QT 261	Sports medicine
	Classify works on first aid in WA 292; on specific pathological conditions with the condition.

QT 265	Relaxation. Rest. Sleep (Hygiene)
	Classify works on therapeutic use of rest, etc., in WB 545; on disorders of sleep in WM 188; on physiology of sleep in WL 108.

QT 275	Hygienic aspects of beauty culture
	Classify works on hair care in WR 465; on public health aspects of barber shops, beauty salons, and cosmetics in WA 744.