PM Section 3(Bones,Larynx)

‘Ovine Caseous Lymphadenitis’

Onion like appearance

Central area of caseous necrosis and Chronic Inflammatory Cells

Inflammation of Lymph Node

‘Actinomycosis Bone’

Pyogranulome consists of a central radiating club-shaped Ag/Ab complex surrounded by a zone of neutrophils and chronic inflammatory cells and finally enclosed within a fibrous connective tissue capsule

‘Actinomycosis Bone’

Pyogranulome consists of a central radiating club-shaped Ag/Ab complex surrounded by a zone of neutrophils and chronic inflammatory cells and finally enclosed within a fibrous connective tissue capsule

‘Actinomycosis Bone Gram’s Stain’

Actinomycosis Colonies appear a large mass of gram positive and rod shaped

‘Glanders Ulcers(Nasal Septum)’

Nasal mucosa shows multiple nodules degenerated to deep ulcer with raised borders on the nasal septum

‘Glanders Ulcers(Larynx)’

Larynx of the horse shows areas of ulceration characterized by Deep center and raised borders with sharp margins.

‘Glanders Nodules(Larynx)’

presence of small multiple and millet-sized greyish nodules scattered all over the larynx

‘Ovine Caseous Lymphadenitis’

Spherical, onion-like, concentrically laminated layers of caseation, calcification, and fibrosis

‘Ovine Caseous Lymphadenitis’

Spherical, onion-like, concentrically laminated layers of caseation, calcification, and fibrosis

‘Perforation of nasal septum’

The ulcers extend deep enough to penetrate through and even perforate the nasal septum