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The ears are referred to as the auricle or otic region. The nose is referred to as the nasal region. The mouth is referred to as the oral region. The chin is referred to as the mental region. The neck is referred to as the cervical region. The trunk of the body contains, from superior to inferior, the thoracic region encompassing the chest [1]
The bony labyrinth (also osseous labyrinth or otic capsule) is the rigid, bony outer wall of the inner ear in the temporal bone. It consists of three parts: the vestibule, semicircular canals, and cochlea. These are cavities hollowed out of the substance of the bone, and lined by periosteum.
The first part of the ear to develop is the inner ear, [19] which begins to form from the ectoderm around the embryo's 22nd day, [18] derived from two thickenings called otic placodes on either side of the head. Each otic placode recedes below the ectoderm, forms an otic pit and then an otic vesicle. [20]
The ear canal (external acoustic meatus, external auditory meatus, EAM) is a pathway running from the outer ear to the middle ear.The adult human ear canal extends from the auricle to the eardrum and is about 2.5 centimetres (1 in) in length and 0.7 centimetres (0.3 in) in diameter.
In 1992, the Gen 4 car arrived at the sport when steel bodies became primarily custom made instead of using stock pieces, and wind tunnels became a staple as teams worked to gain aerodynamics. [5] At racing speeds approaching 200 miles per hour, a modern NASCAR race car can generate enough lift to get airborne if it spins sideways.
This is an accepted version of this page This is the latest accepted revision, reviewed on 31 January 2025. List of organ systems in the human body Part of a series of lists about Human anatomy General Features Regions Variations Movements Systems Structures Arteries Bones Eponymous Foramina Glands endocrine exocrine Lymphatic vessels Nerves Organs Systems Veins Muscles Abductors Adductors ...
The all new body was designed by Franco Scaglione. [12] The Tipo 65 featured a 5-litre V8 engine similar to the one used in the Tipo 151 003 delivering about 430 hp (321 kW) pushing the car at 350 km/h (217 mph). Only one car was built using a modified Tipo 63 chassis. [13]
Formation of the otic vesicle has been studied extensively in developmental model organisms including chicken, Xenopus, zebrafish, axolotl, and mouse. [6] The transition from the otic placode to the otic vesicle occurs during the 19th somite stage in zebrafish, Xenopus, and the chick. In the chick, invagination of the otic placode occurs ...