Ear Biopsy Patterns

Ear biopsy patterns are recurring microscopic features in tissue samples from the external, middle, or inner ear that help characterize normal structure and disease-related change. After a biopsy is collected, tissue is fixed, embedded, sectioned, and stained so that cellular architecture, inflammation, infection, fibrosis, or abnormal growth can be evaluated with light microscopy. Recognizing these patterns supports the biological classification of ear disorders, helps distinguish reactive injury from neoplastic processes, and guides further testing or treatment. In biology and pathology research, systematic pattern analysis also improves understanding of tissue responses, disease mechanisms, and diagnostic consistency.

Ear Biopsy Patterns - Related Videos

Education

JoVE Science Education - Clinical Skills

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2023

Source: Richard Glickman-Simon, MD, Assistant Professor, Department of Public Health and Community Medicine, Tufts University School of Medicine, MA This video describes the examination of the ear, beginning with a review of its surface and interior anatomy (Figure 1). The cartilaginous auricle consists of the helix, antihelix, earlobe, and tragus. The mastoid process is positioned just behind the earlobe. The slightly curving auditory canal ends at the tympanic membrane, which transmits sound...

Research

JoVE Journal - Biology

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The protocol presents a novel stepwise approach to producing a pinna-edge biopsy (PEB) in post-natal day (PND) 7 mice for the purpose of identification and simultaneous genotyping.

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This video demonstrates a punch biopsy procedure to create a precise wound in a mouse model. The excision exposes the subcutaneous layer of the skin, providing a suitable site for studying immune responses to localized pathogen infection.

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2024

Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...

A Versatile Method of Patterning Proteins and Cells

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Cited by 10 •

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This report describes a simple, easy to perform technique, using low pressure vacuum, to fill microfluidic channels with cells and substrates for biological research.

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