Related Experiment Video
Updated: May 26, 2026
06:42
Extracting the Cochlea from a Human Temporal Bone: A Cadaveric Protocol
Published on: August 18, 2023
[Traumatology of the ear and temporal bone]
J P Thomas1, A Minovi, S Dazert
1Klinik für Hals-Nasen-Ohrenheilkunde, Ruhr-Universität Bochum, St.-Elisabeth-Hospital Bochum, Deutschland. jan.thomas@rub.de
HNO
|December 14, 2011
Summary
This article overviews otologic traumatology, covering injuries to the ear, temporal bone, and auditory system. It details diagnostic methods and treatments for various ear trauma types.
Area of Science:
- Otolaryngology
- Trauma Surgery
- Neurosurgery
Context:
- Otologic traumatology involves injuries to the pinna, tympanic membrane, ossicular chain, and temporal bone.
- Associated injuries include labyrinthine and facial nerve impairment, acoustic trauma, and barotrauma.
- Symptoms like hemorrhagic otorrhea, hearing loss, vertigo, tinnitus, and facial nerve palsy necessitate further investigation.
Purpose:
- To provide a comprehensive overview of diagnostic measures for otologic injuries.
- To outline current therapeutic options for various forms of ear trauma.
- To guide clinicians in managing patients with complex otologic trauma.
Summary:
- Otologic traumatology encompasses a range of injuries affecting the external, middle, and inner ear structures.
- Diagnostic protocols are tailored based on injury mechanisms and presenting symptoms, including otorrhea, hearing deficits, and neurological signs.
- Management strategies involve a combination of diagnostic imaging, audiological assessments, and surgical or conservative treatments.
Impact:
- Improved diagnostic accuracy for otologic trauma.
- Standardized treatment approaches for diverse ear injuries.
- Enhanced patient outcomes through timely and appropriate interventions.
Related Concept Videos
01:16Anatomy of the Ear
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...
01:11The Auditory Ossicles
The auditory ossicles of the middle ear transmit sounds from the air as vibrations to the fluid-filled cochlea. The auditory ossicles consist of two malleus (hammer) bones, two incus (anvil) bones, and two stapes (stirrups), one on each side. These bones develop during the fetal stage and are the ones to ossify first. They are fully mature at birth and do not grow afterward.
The aptly named stapes look very much like a stirrup. The three ossicles are unique to mammals, and each plays a role in...
The aptly named stapes look very much like a stirrup. The three ossicles are unique to mammals, and each plays a role in...
01:27Cranial Bones: Lateral View
The lateral view of the cranium is dominated by temporal, sphenoid, and ethmoid bones.
The temporal bone forms the lower lateral side of the skull. The temporal bone is subdivided into several regions. The flattened upper portion is the squamous portion of the temporal bone. Below this area and projecting anteriorly is the zygomatic process of the temporal bone, which forms the posterior portion of the zygomatic arch. Posteriorly is the mastoid portion of the temporal bone. Projecting...
The temporal bone forms the lower lateral side of the skull. The temporal bone is subdivided into several regions. The flattened upper portion is the squamous portion of the temporal bone. Below this area and projecting anteriorly is the zygomatic process of the temporal bone, which forms the posterior portion of the zygomatic arch. Posteriorly is the mastoid portion of the temporal bone. Projecting...
01:22Sutures of the Skull
The human skull is composed of several bones that come together to protect the brain and support the structures of the face. The junctions where these bones meet are called sutures.
Sutures are immobile joints between adjacent bones of the skull. The narrow gap between the bones is filled with dense, fibrous connective tissue that unites the bones. The long sutures located between the skull bones are not straight but instead follow irregular, tightly twisting paths. These twisting lines tightly...
Sutures are immobile joints between adjacent bones of the skull. The narrow gap between the bones is filled with dense, fibrous connective tissue that unites the bones. The long sutures located between the skull bones are not straight but instead follow irregular, tightly twisting paths. These twisting lines tightly...
01:13The Cochlea
The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
01:28Traumatic Brain Injury l: Introduction
DefinitionTraumatic brain injury, or TBI, is a disturbance of normal brain function induced by an external mechanical force, such as a direct blow to the head or a penetrating injury. It can affect both brain structure and function, producing a wide range of clinical outcomes. TBI is a heterogeneous condition, meaning its effects may differ based on the type, location, and severity of the injury.Basis of ClassificationTBI is classified based on severity, injury mechanism, or pathophysiology. In...