Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Auricular chondropathy in aging rats.

T Chiu, K P Lee

    Veterinary Pathology
    |September 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

    Auricular chondropathy, an ear deformity in aging rats, affects 3.7% of the population. This condition involves thickened, nodular ears with chondrolysis and inflammation, though its cause remains unknown.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Asthmatic versus healthy child classification based on cough and vocalised /ɑ:/ sounds.

    The Journal of the Acoustical Society of America·2020
    Same author

    Prevalence of medical students' burnout and its associated demographics and lifestyle factors in Hong Kong.

    PloS one·2020
    Same author

    Biological disease-modifying antirheumatic drugs in juvenile idiopathic arthritis of polyarticular course, enthesitis-related arthritis, and psoriatic arthritis: a consensus statement.

    Hong Kong medical journal = Xianggang yi xue za zhi·2020
    Same author

    Family medicine vocational training and career satisfaction in Hong Kong.

    BMC family practice·2019
    Same author

    Urban Chinese midwives' knowledge, attitudes and practices toward umbilical cord blood donation.

    Midwifery·2018
    Same author

    Onion (Allium cepa L.) peel extract (OPE) regulates human sperm motility via protein kinase C-mediated activation of the human voltage-gated proton channel.

    Andrology·2017
    Same journal

    Performance evaluation of deep learning models for image analysis: Considerations for visual assessment and statistical metrics.

    Veterinary pathology·2026
    Same journal

    Benign epithelial inclusions in renal hilar lymph nodes of a cynomolgus monkey (<i>Macaca fascicularis</i>).

    Veterinary pathology·2026
    Same journal

    An outbreak of H5N1 clade 2.3.4.4b highly pathogenic avian influenza in California condors (<i>Gymnogyps californianus)</i>.

    Veterinary pathology·2026
    Same journal

    Histomorphologic evidence supports a hyperplastic pathogenesis of fibromatous epulis of periodontal ligament origin/peripheral odontogenic fibroma and proposal of fibromatous hyperplasia of the gingival ligament as unifying nomenclature.

    Veterinary pathology·2026
    Same journal

    Image challenge in <i>veterinary pathology</i>.

    Veterinary pathology·2026
    Same journal

    Image challenge in veterinary pathology, answers: Bovine diseases.

    Veterinary pathology·2026
    See all related articles

    Area of Science:

    • Veterinary Pathology
    • Comparative Pathology
    • Rodent Models

    Background:

    • External ear lesions, termed auricular chondropathy, have been observed in aging Crl:CD rats.
    • This condition presents as ear deformity in a notable percentage of the rat population.

    Purpose of the Study:

    • To describe the gross and microscopic features of auricular chondropathy in rats.
    • To compare this condition to relapsing polychondritis in humans.

    Main Methods:

    • Histopathological examination of affected rat ears.
    • Gross morphological assessment of ear lesions.
    • Comparative analysis with human disease.

    Main Results:

    • A prevalence of 3.7% (180/4,876 rats) was identified.

    Related Experiment Videos

  • Lesions characterized by thickened, nodular, or disfigured ears, primarily affecting the cartilaginous plate.
  • Histological findings included chondrolysis and granulomatous inflammation.

    • Conclusions:

    • Auricular chondropathy is a distinct pathological entity in aging rats.
    • The etiology of rat auricular chondropathy is currently unknown.
    • Further research is needed to elucidate the cause and potential parallels with human diseases like relapsing polychondritis.