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  2. Two-streams hypothesis - Wikipedia

    en.wikipedia.org/wiki/Two-streams_hypothesis

    The dorsal stream commences with purely visual functions in the occipital lobe before gradually transferring to spatial awareness at its termination in the parietal lobe. The posterior parietal cortex is essential for "the perception and interpretation of spatial relationships, accurate body image, and the learning of tasks involving ...

  3. Pallium (neuroanatomy) - Wikipedia

    en.wikipedia.org/wiki/Pallium_(neuroanatomy)

    The hypopallial region is also known as the dorsal ventricular ridge, described as having anterior and posterior (amygdaloid) regions. [ 4 ] Birds essentially show much increased cellularity, keeping within the reptilian morphological schema, which leads to the apparent disappearance of layering within its medial and dorsal pallial sectors.

  4. Auditory system - Wikipedia

    en.wikipedia.org/wiki/Auditory_system

    The inner ear consists of the cochlea and several non-auditory structures. The cochlea has three fluid-filled sections (i.e. the scala media, scala tympani and scala vestibuli), and supports a fluid wave driven by pressure across the basilar membrane separating two of the sections.

  5. Endolymphatic hydrops - Wikipedia

    en.wikipedia.org/wiki/Endolymphatic_hydrops

    Endolymphatic hydrops is a disorder of the inner ear. It consists of an excessive build-up of the endolymph fluid, which fills the hearing and balance structures of the inner ear. Endolymph fluid, which is partly regulated by the endolymph sac, flows through the inner ear and is critical to the function of all sensory cells in the inner ear.

  6. Ear - Wikipedia

    en.wikipedia.org/wiki/Ear

    Providing balance, when moving or stationary, is also a central function of the ear. The ear facilitates two types of balance: static balance, which allows a person to feel the effects of gravity, and dynamic balance, which allows a person to sense acceleration. Static balance is provided by two ventricles, the utricle and the saccule.

  7. Dark cell - Wikipedia

    en.wikipedia.org/wiki/Dark_cell

    These dark-cell areas in the vestibular organ are structures involved in the production of endolymph, an inner ear fluid, secreting potassium towards the endolymphatic fluid. Dark cells take part in fluid homeostasis to preserve the unique high-potassium and low-sodium content of the endolymph and also maintain the calcium homeostasis of the ...

  8. Endolymph - Wikipedia

    en.wikipedia.org/wiki/Endolymph

    Endolymph is the fluid contained in the membranous labyrinth of the inner ear. The major cation in endolymph is potassium, with the values of sodium and potassium concentration in the endolymph being 0.91 mM and 154 mM, respectively. [1] It is also called Scarpa's fluid, after Antonio Scarpa. [2]

  9. Auricle (anatomy) - Wikipedia

    en.wikipedia.org/wiki/Auricle_(anatomy)

    These portions of the ear are supplied by the cervical plexus and a small portion by the facial nerve. This explains why vesicles are classically seen on the auricle in herpes infections of the facial nerve (Ramsay Hunt syndrome type II). [1] The auricle's functions are to collect sound and transform it into directional and other information.