Search results
3 lis 2023 · The one-third of the tube that is closer to the middle ear (posterolateral third) is the bony part, whereas the rest of the tube is the cartilaginous part. The tube is mostly vascularized by the ascending pharyngeal artery, which is a branch of the external carotid artery.
- Basilar Membrane
The basilar membrane is a distensible membrane located...
- Pterygoid Venous Plexus
Pterygoid venous plexus (plexus venosus pterygoideus) The...
- Inner Ear
The inner ear is embedded within the petrous part of the...
- External Ear
The external acoustic meatus is a bony-cartilaginous,...
- Tympanic Membrane
The tympanic membrane (eardrum) is an oval, semi-transparent...
- Basilar Membrane
23 mar 2024 · Parts of the Eustachian Tube. The Eustachian tube arises from the anterior wall of the middle ear and slopes downward, forward, and medially to reach the nasopharynx. It contains a tympanic and a pharyngeal orifice and is divided into an osseous and cartilaginous portions.
1 dzień temu · Cartilaginous Section: The outer one-third of the canal, lined with skin, hair, and glands that produce cerumen (earwax). ... Each part of the ear—the external ear, middle ear, and inner ear—has specific functions that contribute to these overall roles. Below is a detailed breakdown of these functions.
16 sie 2020 · The cartilaginous part of the auricle forms an outer curvature, known as the helix. A second innermost curvature runs in parallel with the helix – the antihelix. The antihelix divides into two cura; the inferoanterior crus, and the superoposterior crus. In the middle of the auricle is a hollow depression, called the concha.
24 lis 2022 · The external acoustic meatus is a bony-cartilaginous, tubular component of the external ear. It is about 4 cm in length when measured from the tragus, and 2.5 cm when measured from the concha of the auricle.
The cartilaginous portion (pars cartilaginea tubæ auditivæ), about 24 mm. in length, is formed of a triangular plate of elastic fibrocartilage, the apex of which is attached to the margin of the medial end of the osseous portion of the tube, while its base lies directly under the mucous membrane of the nasal part of the pharynx, where it forms a...
15 lis 2021 · Apart from the lobule, which contains fat and connective tissue, the auricle is a cartilaginous structure covered by skin. Surface anatomy of the auricle. The outer curve of the auricle is called the helix, which connects with the lobule of the ear. Parallel and anterior to the helix is a smaller curve, aptly called the antihelix.
