In the nasal cavity of a horse

Rhinosporidium

Rabies
negri inclusion bodies
Colon in the horse

Ulcerative colitis

Hepatic lipidosis

Pleuritis

SCC

Equine herpesvirus hepatitis
Equine Herpesvirus 1
Necrosis and Petechiae

Cervical stenotic compressive myelopathy (Wobblers)

Exuberant granulation tissue

Dermatophilus
Railroad track organisms

Leukotrichia

Dermatophytosis

Ethmoid Hematoma

Intussusception

Aspergillus pneumonia
embolic spread

LI Tympany

Intestinal volvulus

Cantharidin Toxicosis
ulcers in GI

Neonatal isoerythrolysis
Red cortex, yellow medulla

Torsion

Paranasal cyst

Collapsing Trachea

urticaria

Lymphoma T cell rich B cell lymphoma