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3 lis 2023 · The external acoustic meatus consists of the lateral (outer) cartilaginous part, referred to as the cartilaginous or membranous external acoustic meatus, and the medial (inner) bony part, called the bony external acoustic meatus.
- 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
External acoustic meatus (anterior view) The external...
- Tympanic Membrane
The tympanic membrane (eardrum) is an oval, semi-transparent...
- Basilar Membrane
31 sie 2017 · Cartilage is a robust and viscoelastic connective tissue that can be found in joints between bones, the rib cage, intervertebral discs, the ear, and the nose. While more rigid and less flexible than muscle, cartilage is not as stiff as bone.
26 cze 2023 · Embryology. The Eustachian tube partially originates from the first pharyngeal pouch and extends as tubotympanic recess. After contact with the outer ear canal, mesoderm between 2 canals forms the tympanic membrane; this expands to form the tympanic recess. The stalk of the recess forms the Eustachian tube.
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.
30 paź 2023 · The larynx is the most superior part of the respiratory tract in the neck and the voice box of the human body. It surrounds and protects the vocal chords, as well as the entrance to the trachea, preventing food particles or fluids from entering the lungs. The cartilages of the larynx make up its skeleton.
7 cze 2022 · Auricle: The outwardly visible part of the ear is composed of skin and cartilage, and attaches to the skull. It has an outer (lateral) and an inner (medial) aspect. The inner aspect serves as an attachment, and the outer is instrumental in hearing and has characteristic ridges and grooves.
24 lip 2023 · The external ear’s flexible structure is maintained by elastic cartilage, which is covered in skin and attached to the skull with ligaments and muscles. The skin of the pinna is rich in sebaceous glands, which serve to protect the ear from cracking.
