1. catarrhal Rhinitis
1.1. hyperplasia of goblet cells○ that secrete mucus +no exudate(mic.)
1.2. thickly stringy mucus(mac.)
2. hyperplasia of nasal epithel. to compensate dead cells
3. watery fluid (mac.)
4. grayish fibrillar coat (mac.)
5. chronic forms
5.1. Granulomatous Rhinitis
5.1.1. (liquefactive necrosis+M.+L.+pl. cells)all bounded by granuloma
5.1.2. Modular grayish white firm granulomas are seen
5.1.3. caused by strangles Bacteria
5.2. Hyperplastic Rhinitis
5.2.1. nasal polyps are formed
5.3. A trophic Rhinitis
5.3.1. Atrophy of nasal cavity due to pressure of fibrous tissue
6. Types
6.1. Acute forms
6.1.1. serous Rhinitis
6.1.1.1. albuminous material (mic.)
6.1.2. suppurative Rhinitis
6.1.2.1. severe nrutophilic infiltration(mic.)
6.1.2.2. thick opaque white ,green or brown puss(mac.)
6.1.3. fibrinous Rhinitis
6.1.3.1. mucosa covered with fibrin(mic.)
6.1.4. Hemorrhagic Rhinitis
6.1.4.1. abundant erythrocyte &neutrophils (mic.)
6.1.4.2. blood (mac.)
6.1.5. Ulcerative Rhinitis
6.1.5.1. severe inflammation cause destruction of epithelium
7. causes
7.1. physical
7.1.1. cold & allergy
7.2. chemicals
7.2.1. parasites
7.2.1.1. ostrous ovis ->infect sheep by bot fly
7.2.2. viruses
7.2.2.1. bovine herpis virus1
7.2.3. Bacteria
7.2.3.1. Staphylococcus
7.2.3.2. streptococcus