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Related Concept Videos

Anatomy of the Ear01:16

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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...
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Rectal temperature measurement is considered the most precise method for assessing core body temperature and typically registers higher than oral temperature. For adults, the rectal thermometer should be inserted 1 to 1.5 inches into the rectum to obtain the most accurate reading.
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Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
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Related Experiment Video

Updated: Jan 9, 2026

Robot-Assisted Transcanal Endoscopic Ear Surgery for Congenital Cholesteatoma
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"Rectal ears".

E G Kassner, A Schussheim, D H Gordon

    Journal of the Canadian Association of Radiologists
    |June 1, 1975
    PubMed
    Summary
    This summary is machine-generated.

    Rectal ears, or rectal protrusions into inguinal rings, were observed in a young child. The cause and importance of these rectal findings remain unknown.

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    Area of Science:

    • Pediatric Surgery
    • Anatomical Variations
    • Gastrointestinal Imaging

    Background:

    • Inguinal hernias are common in infants and children, involving protrusion of abdominal contents into the inguinal canal.
    • Anatomical variations in the pediatric population require careful observation and documentation.

    Observation:

    • A 16-month-old girl presented with incidental findings of "rectal ears" and "bladder ears."
    • "Rectal ears" are defined as transitory rectal protrusions into the internal inguinal rings.
    • No inguinal hernias were evident in the patient.

    Findings:

    • The presence of "rectal ears" was noted during diagnostic imaging or examination.
    • Concurrent "bladder ears" suggest potential anatomical variations involving pelvic structures.
    • The etiology and clinical significance of "rectal ears" are currently undetermined.

    Implications:

    • Further research is needed to understand the developmental origins of "rectal ears."
    • Clarifying the significance of "rectal ears" may impact diagnostic approaches in pediatric patients.
    • This case highlights the importance of recognizing and investigating unusual anatomical findings in pediatric imaging.