Abscesses/Granulomas
Abscesses/Granulomas Basic Information Definition An abscess/granuloma occurs as a result of a host mounting an inflammatory response to foreign antigens. These antigens can be associated with living organisms, such as…
Lymphocystis
Lymphocystis Basic Information Definition Infection in susceptible fish with lymphocystivirus (Iridovirus family) Synonyms Lymphocystis virus disease type 1, lymphocystis virus disease type 2 Epidemiology Species, Age, Sex • Many species of…
Oral Nematodes (Panagrolaimidae)
Oral Nematodes (Panagrolaimidae) Basic Information Definition Fatal infection of the external mouthparts and oral cavity and pharynx with entomopathogenic Rhabditida nematodes Synonym Worms Epidemiology Species, Age, Sex Tarantulas (Theraphosidae), spiders…
Fungal Infections, Superficial and Systemic
Fungal Infections, Superficial and Systemic Basic Information Definition Systemic or surface infections caused by fungi Synonym Mycoses Epidemiology Species, Age, Sex • Most common in arthropods, particularly insects and spiders • Some…
Assessment of Ocular Toxicity Potential: Basic Theory and Techniques
Fig. 2.1 A table-mounted slit-lamp biomicroscope offers excellent optics with multiple options for magnification and greater numbers of options for varying slit-beam width, height, and light color, and cameras may…
Emerging Imaging Technologies for Assessing Ocular Toxicity in Laboratory Animals
Fig. 3.1 Two images from the same eye of a patient with asteroid hyalosis. The highly reflective calcium deposits in the vitreous obscure retinal details (left frame). However, with fluorescein…
Toxicologic Pathology of the Eye: Histologic Preparation and Alterations of the Anterior Segment
Fig. 5.1 The upper eyelid from a control rabbit has diffuse infiltrates of lymphocytes and plasma cells in the dermis as a spontaneous change. H&E. 5× objective Neoplasms may arise…
Toxicologic Pathology of the Eye: Alterations of the Lens and Posterior Segment
Fig. 6.1 Lens from a monkey with spontaneously occurring cataracts. Histologic changes in the lens include swelling of lens fibers (bladder cells), vacuolation, and proliferation of lens epithelium (upper right)….
