auditory placode - определение. Что такое auditory placode
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Что (кто) такое auditory placode - определение

Placode; Cranial placodes; Cranial placode; Neurogenic placodes; Ectodermal placode

Otic placode         
THICKENING OF THE ECTODERM ON THE OUTER SURFACE OF A DEVELOPING EMBRYO FROM WHICH THE EAR DEVELOPS.
Auditory placode; Auditory plate
In embryology, the otic placode is a thickening of the ectoderm on the outer surface of a developing embryo from which the ear develops. The ear, including both the vestibular system and the auditory system, develops from the otic placode beginning the third week of development.
Neurogenic placode         
A neurogenic placode is an area of thickening of the epithelium in the embryonic head ectoderm layer that gives rise to neurons and other structures of the sensory nervous system.
ossicle         
  • Anatomy of the three ossicles
THREE BONES IN THE HUMAN EAR
Auditory Ossicles; Ossicle; Tympanic ossicle; Auditory ossicles; Auditory ossicle; Middle ear bone complex; Ear ossicles; Muscles of auditory ossicles; Musculi ossiculorum auditus; Ear ossicle; Ear bones; Ear bone; Ossicula auditus; Ossicula auditoria; Hammer, anvil and stirrup; Hammer anvil stirrup; Middle ear ossicles; Muscles of auditory ossicle; Muscles of the auditory ossicle; Muscles of the auditory ossicles; Auditory ossicle muscles; Bones of the ear
['?s?k(?)l]
¦ noun
1. Anatomy & Zoology a very small bone, especially one of those in the middle ear.
2. Zoology a small piece of calcified material forming part of the skeleton of an invertebrate animal such as an echinoderm.
Origin
C16: from L. ossiculum, dimin. of os 'bone'.

Википедия

Neurogenic placode

A neurogenic placode is an area of thickening of the epithelium in the embryonic head ectoderm layer that gives rise to neurons and other structures of the sensory nervous system.

Placodes are embryonic structures that give rise to structures such as hair follicles, feathers and teeth. The term "neurogenic placode" generally refers to cranial placodes that have neurogenic potential - i.e. those that give rise to neurons associated with the special senses and cranial ganglia. Cranial placodes include a diverse range of structures found across chordates, but the neurogenic placodes found in vertebrates arose later in evolution.