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n. pl. pa·ta·gi·a (-jē-ə)
1. A thin membrane extending between the body and a limb to form a wing or winglike extension, as in bats and flying squirrels.
2. An expandable membranous fold of skin between the wing and body of a bird.

[Latin patagium, gold edging on a woman's tunic, perhaps from Greek *patageion, from patagos, clatter, of imitative origin .]

pa·ta′gi·al (-jē-əl) adj.


n, pl -gia (-dʒɪə)
1. (Zoology) a web of skin between the neck, limbs, and tail in bats and gliding mammals that functions as a wing
2. (Zoology) a membranous fold of skin connecting margins of a bird's wing to the shoulder
[C19: New Latin from Latin, from Greek patageion gold border on a tunic]


(pəˈteɪ dʒi əm)

n., pl. -gi•a (-dʒi ə)
1. the fold of skin between the forelimb and hindlimb in the flying squirrel and other gliding animals.
2. the fold of skin between the shoulder and forewing of a bird.
3. either of two small processes on the anterior thorax, esp. in butterflies and moths.
[1820–30; < New Latin; Latin patagium tunic border]
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References in periodicals archive ?
The analysis by him and Burkart Engesser of the complete skeleton of a gliding eomyid from the late Oligocene site of Enspel (Westerwald) including the preserved patagium was particularly exciting, because it became evident for the first time that at least this eomyid was a glider representing the oldest fossil record of this kind of locomotion in rodents.
(4) Dermatitis in psittacine birds has been reported at several anatomic sites, such as the tail base, face, left phalange, and patagium. (10,21,22) The axillae were the most frequently affected sites in this study, accounting for 45% of all SCUD cases.
It revealed that Anchiornis had incredibly similar bird-like features including arms connected by patagium, a layer of skin, and similar drumstick-shaped legs.
Studies have, however, successfully used plastic live-stock ear tags attached to the patagium of other species, including vultures (Family Accipitridae) (Wallace et al.
The animals that were returned to the wild were marked using perforations in the patagium (Wilson et al., 1996), and then released at the capture site following their identification in the field.
A 3-mm diameter tissue biopsy was taken from the wing patagium and deposited in the University of Central Oklahoma Museum of Natural History.
Thorax: Patagium pale brownish gray; tegula dark brown; mesonotum white, sparsely peppered with dark brown spots on anterior half, dark brownish gray on posterior half.