| D009666 |
Nose |
A part of the upper respiratory tract. It contains the organ of SMELL. The term includes the external nose, the nasal cavity, and the PARANASAL SINUSES. |
External Nose,External Noses,Nose, External,Noses,Noses, External |
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| D012137 |
Respiratory System |
The tubular and cavernous organs and structures, by means of which pulmonary ventilation and gas exchange between ambient air and the blood are brought about. |
Respiratory Tract,Respiratory Systems,Respiratory Tracts,System, Respiratory,Tract, Respiratory |
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| D012140 |
Respiratory Tract Diseases |
Diseases involving the RESPIRATORY SYSTEM. |
Respiratory Diseases,Respiratory System Diseases,Disease, Respiratory System,Disease, Respiratory Tract,Respiratory System Disease,Respiratory Tract Disease |
|
| D004848 |
Epithelium |
The layers of EPITHELIAL CELLS which cover the inner and outer surfaces of the cutaneous, mucus, and serous tissues and glands of the body. |
Mesothelium,Epithelial Tissue,Mesothelial Tissue,Epithelial Tissues,Mesothelial Tissues,Tissue, Epithelial,Tissue, Mesothelial,Tissues, Epithelial,Tissues, Mesothelial |
|
| D005856 |
Germ-Free Life |
Animals not contaminated by or associated with any foreign organisms. |
Axenic Animals,Gnotobiotics,Germfree Life,Animal, Axenic,Animals, Axenic,Axenic Animal,Germ Free Life,Gnotobiotic,Life, Germ-Free,Life, Germfree |
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| D000818 |
Animals |
Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. |
Animal,Metazoa,Animalia |
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| D013458 |
Sulfur Dioxide |
A highly toxic, colorless, nonflammable gas. It is used as a pharmaceutical aid and antioxidant. It is also an environmental air pollutant. |
Sulfurous Anhydride |
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| D013552 |
Swine |
Any of various animals that constitute the family Suidae and comprise stout-bodied, short-legged omnivorous mammals with thick skin, usually covered with coarse bristles, a rather long mobile snout, and small tail. Included are the genera Babyrousa, Phacochoerus (wart hogs), and Sus, the latter containing the domestic pig (see SUS SCROFA). |
Phacochoerus,Pigs,Suidae,Warthogs,Wart Hogs,Hog, Wart,Hogs, Wart,Wart Hog |
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| D013553 |
Swine Diseases |
Diseases of domestic swine and of the wild boar of the genus Sus. |
Disease, Swine,Diseases, Swine,Swine Disease |
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| D014132 |
Trachea |
The cartilaginous and membranous tube descending from the larynx and branching into the right and left main bronchi. |
Tracheas |
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