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pinna    
n. 翼,鳍及相当的器官,羽片

翼,鳍及相当的器官,羽片

pinna
n 1: division of a usually pinnately divided leaf [synonym: {pinna},
{pinnule}]
2: the externally visible cartilaginous structure of the
external ear [synonym: {auricle}, {pinna}, {ear}]

Pinna \Pin"na\, n.; pl. {Pinn[ae]}, E. {Pinnas}. [L., a
feather.]
1. (Bot.)
(a) A leaflet of a pinnate leaf. See Illust. of {Bipinnate
leaf}, under {Bipinnate}.
(b) One of the primary divisions of a decompound leaf.
[1913 Webster]

2. (Zool.) One of the divisions of a pinnate part or organ.
[1913 Webster]

3. [L. pinna, akin to Gr. ?.] (Zool.) Any species of {Pinna},
a genus of large bivalve mollusks found in all warm seas.
The byssus consists of a large number of long, silky
fibers, which have been used in manufacturing woven
fabrics, as a curiosity.
[1913 Webster]

4. (Anat.) The auricle of the ear. See {Ear}.
[1913 Webster]


Byssus \Bys"sus\, n.; pl. E. {Byssuses}; L. {Byssi}.[L. byssus
fine flax, fine linen or cotton, Gr. by`ssos .]
[1913 Webster]
1. A cloth of exceedingly fine texture, used by the ancients.
It is disputed whether it was of cotton, linen, or silk.
[Written also {byss} and {byssin}.]
[1913 Webster]

2. (Zool.) A tuft of long, tough filaments which are formed
in a groove of the foot, and issue from between the valves
of certain bivalve mollusks, as the {Pinna} and {Mytilus},
by which they attach themselves to rocks, etc.
[1913 Webster]

3. (Bot.) An obsolete name for certain fungi composed of
slender threads.
[1913 Webster]

4. Asbestus.
[1913 Webster]


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  • Outer ear - Wikipedia
    The visible part is called the auricle, also known as the pinna, especially in other animals It is composed of a thin plate of yellow elastic cartilage, covered with integument, and connected to the surrounding parts by ligaments and muscles; and to the commencement of the ear canal by fibrous tissue Many mammals can move the pinna (with the auriculares muscles) in order to focus their
  • Pinna: Kids Podcasts, Audio Stories, Music, Audiobooks More
    Pinna is an award-winning audio streaming service with hundreds of hours of audio programming curated especially for kids The perfect companion everywhere from the car to the kitchen, enjoy family listening time with entertainment designed to spark conversations and keep kids engaged screen-free
  • PINNA Definition Meaning - Merriam-Webster
    The meaning of PINNA is a projecting body part (such as a feather, wing, or fin) a projecting body part (such as a feather, wing, or fin); the largely cartilaginous projecting portion of the external ear… See the full definition Games; Word of the Day; Grammar; Wordplay; Slang; Rhymes; Word Finder; Thesaurus; Join MWU; More
  • Ear Anatomy – Outer Ear - Outer Ear | McGovern Medical School
    The outer ear comes in all types of shapes and sizes This structure helps to give each of us our unique appearance The medical term for the outer ear is the auricle or pinna The outer ear is made up of cartilage and skin There are three different parts to the outer ear; the tragus, helix and the lobule EAR CANAL
  • Auricle or pinna: anatomy, function and related pathologies - Amplifon
    The pinna is characterised by its cartilaginous component and a series of prominences, which are: The helix, the outer rim of the ear, curves outward from the ear and terminates at the inferior part of the lobe ; The antihelix, the arcuate part of the auricle, is separated from the helix by a groove called the scaphoid fossa ; The scaphoid fossa, the groove in the auricle located between the
  • PINNA | definition in the Cambridge English Dictionary
    PINNA meaning: 1 the part of the ear on the outside of the head: 2 the part of the ear on the outside of the… Learn more
  • Outer ear: Anatomy, blood supply, innervation | Kenhub
    There is a cartilaginous portion, known as the pinna or auricle and a bony, tubular segment called the external acoustic meatus The former portion of the auditory system is the first point at which sound wave modification begins
  • How the Ear Works - Johns Hopkins Medicine
    The auricle (pinna) is the visible portion of the outer ear It collects sound waves and channels them into the ear canal (external auditory meatus), where the sound is amplified The sound waves then travel toward a flexible, oval membrane at the end of the ear canal called the eardrum, or tympanic membrane Sound waves cause the eardrum to





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