Results 191 to 200 of about 105,746 (338)

[Study on middle ear ventilation using positional tympanometry--normal ear].

open access: yesNihon Jibiinkoka Gakkai kaiho, 1995
The middle ear is a cavity surrounded by solid bones, lined with mucosa, which has a gas-filled lumen. Cavernous organs such as the ear should have their own ventilation system under atmospheric pressure. The mechanism of ventilation in the middle ear has not been sufficiently clarified.
openaire   +1 more source

Aspiration of superabsorbent polymer beads in a 2‐year‐old Boston terrier

open access: yesVeterinary Record Case Reports, Volume 14, Issue 1, February 2026.
Abstract This case report describes the first documented instance of a dog aspirating a superabsorbent polymer bead, commonly marketed as Orbeez, and its successful removal. Superabsorbent polymers are widely used in children's toys and decorative products, and they possess the ability to expand significantly in water.
Damian Koc   +4 more
wiley   +1 more source

The Current Situation and Development of Endoscopic Ear Surgery in China

open access: yesWorld Journal of Otorhinolaryngology - Head and Neck Surgery, Volume 12, Issue 1, Page 136-143, February 2026.
ABSTRACT Endoscopic ear surgery has been widely performed in China since 2015 due to the development and rapid popularization of endoscopic technology. Due to the relative shortness of the auditory meatus, only a fixed endoscope is required in many cases, rather than a motion similar to a nasal endoscope, and uncontrollable bleeding is virtually non ...
Meng‐Wen Shi, Ge Yin, Yu Sun
wiley   +1 more source

Middle Ear Ventilation Tube in Patients with Cleft Palate at King Abdulaziz University Hospital

open access: diamond, 2017
Talal Al‐Khatib   +5 more
openalex   +1 more source

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