Ear - Wikipedia
In vertebrates, an ear is the organ that enables hearing and (in mammals) body balance using the vestibular system. In humans, the ear is described as having three parts: the outer ear, the …
Human ear | Structure, Function, & Parts | Britannica
2024年11月21日 · The human ear, like that of other mammals, contains sense organs that serve two quite different functions: that of hearing and that of postural equilibrium and coordination of …
Physical laws govern the operation of the ear but natural selection dominates its design. In the sensory worlds of animals and humans, there are major diferences in the ex-tent to which the …
The mammalian auditory periphery is subdivided into outer (or external) ear, middle ear, and inner (or internal) ear, which includes both the cochlea and the auditory nerve. Subsequently, the …
Scientists unlock secrets of ear’s origin and construction
2025年1月10日 · During embryonic development, the cartilage of fish gills and the cartilage of the mammalian external ear arise from the same cells. There’s a deep-seated genetic reason for …
The development of the mammalian outer and middle ear - PMC
The mammalian ear is a complex structure divided into three main parts: the outer; middle; and inner ear. These parts are formed from all three germ layers and neural crest cells, which have …
An earful of gill: Evolutionary origin of the mammalian outer ear
2025年1月9日 · A recent study has uncovered the surprising evolutionary origin of the mammalian outer ear, linking it to the gills of ancient fish and marine invertebrates. The research reveals …
Form and function of the mammalian inner ear - PMC
The inner ear of mammals consists of the cochlea, which is involved with the sense of hearing, and the vestibule and three semicircular canals, which are involved with the sense of balance. …
The anatomy and physiology of the mammalian ear - Hearing …
Overview of the anatomy and physiology of the mammalian peripheral ear and auditory brain. Organizing principles. Comparative anatomy of hearing systems of humans and other mammals
Repurposing of a gill gene regulatory program for outer ear
2025年1月9日 · A dramatic example is how the diminutive bones of the mammalian middle ear arose from ancestral fish jawbones 1. In contrast, the evolutionary origin of the outer ear, …