pinna

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Related to pinnae: cymba conchae

auricle

 [aw´rĭ-k'l]
1. the projecting part of the ear lying outside the head; called also pinna.
Auricle.
2. the ear-shaped appendage of either atrium of the heart; formerly used to designate the entire atrium.

pin·na

, pl.

pin·nae

(pin'ă, pin'ē),
1. ☆ official atlternate term for auricle
2. A feather, wing, or fin.
3. In veterinary anatomy, the moveable cartilage and associated fleshy structures of the ear located externally, outside the vertical ear canal.
[L. pinna or penna, a feather, in pl. a wing]

pinna

/pin·na/ (pin´ah) auricle (1).pin´nal

pinna

(pĭn′ə)
n. pl. pinnae (pĭn′ē) or pinnas
1. Botany A leaflet or primary division of a pinnately compound leaf.
2. Zoology A feather, wing, fin, or similar appendage.
3. Anatomy See auricle.

pin′nal adj.

pinna

See auricle.

pin·na

, pl. pinnae (pin'ă, -ē)
1. Synonym(s): auricle (1) .
2. A feather, wing, or fin.
[L. pinna or penna, a feather, in pl. a wing]

pinna

The visible external ear. The pinna consists of a skin flap on a skeleton of cartilage. It has comparatively little effect on the acuity of hearing. Also known as the auricle.

pinna

  1. the primary division of a leaf.
  2. a wing or fin.
  3. the projecting part of the external ear of mammals.

pinna,

n See auricle.

pin·na

, pl. pinnae (pin'ă, -ē)
1. Synonym(s): auricle (1) .
2. A feather, wing, or fin.
[L. pinna or penna, a feather, in pl. a wing]

pinna,

n the external ear.

pinna

the projecting part of the ear lying outside the head; auricle.
References in periodicals archive ?
5 mm long, lanceolate, dark brown, entire; basal pinnae 20-40 X 14-25 cm, ovate-oblong to triangular-oblong; ultimate segments 4-7 X 1-2 mm long, obtuse to acute, sometimes strongly ascending and slightly falcate; tissue between the veins adaxially glabrous or nearly so, sparsely glandular abaxially, the glands minute, thick shiny, oblong, cylindrical, orange or yellowish, often appressed; veins glandular, the glands ca.
Pinnae length exhibited the most variation of the morphological traits.
Terminal segment of pinnules [lessthan]4x as long as wide; pinnae pubescent beneath.
Dolphins have pinnae that are just as complex and large as bats, but they are internal--an advantage under water both hydrodynamically and functionally; these specialized fats have acoustic properties similar to seawater.
Leaves are alternate, bipinnately compound with 2 to 5 pairs of pinnae and 10 to 15 pairs of leaflets per pinna (Lonard et al.
During the present study, these two forms occur notably as abscised pinnules, very rarely as ultimate pinnae of which three were collected.
Since pinnae vary from person to person, each human brain must gradually learn the shape of its body's ears in order to process auditory information, scientists have theorized.
8 m long, basally 2-pinnate-pinnatisect, medially 1-pinnate-pinnatisect to 2-pinnate-pinnatifid; lamina rachises pubescent abaxially; basal pinnae 10-20 cm long, inequilateral, the segments adnate; pinna rachises abaxially eglandular, densely pubescent, sparsely scaly (sometimes apparently absent), the hairs 0.
inserted at 150-180[degrees] on rachis), with 110-180 pinnae, with
Pinnae lacking basal lobe, margins crenulate: fertile pinnae notlocalized at tip of leaves; son elongate: Diplazium
Plants terrestrial; rhizomes erect to decumbent; petioles scaly toward the base, with 4-10 vascular bundles, the two adaxial bundles enlarged; laminae 1-pinnate-pinnatifid ranging to 4-pinnate-pinnatifid, catadromic above the basal pinnae; basal pinnae inequilateral and enlarged on the basiscopic side or (less commonly) equilateral; rachises, pinna rachises, and costules not grooved or only shallowly so, scaly and pubescent abaxially, densely pubescent on the adaxial surfaces, the hairs whitish, spreading to antrorsely strigose, multicellular, if glands present, these ca.