patagium

/puh-tey-jee-uhm/US // pəˈteɪ dʒi əm //UK // (pəˈteɪdʒɪəm) //

髌骨,髌腱

Definitions

n.名词 noun

1
plural pa·ta·gi·a [puh-tey-jee-uh]. /pəˈteɪ dʒi ə/.
- : a wing membrane, as of a bat.
- : the extensible fold of skin of certain insects or of a gliding mammal or reptile, as a flying squirrel.
- : either of two small processes on the anterior thorax, found especially among butterflies and moths.

Colugos pull off those long-distance glides with their gliding skin, known as a patagium.
On each side of the thorax there is a shoulder lappet (patagium) which has its base on the front part of the thorax also.
Patagium incomplete, with convex chamber-rows, envelops about two-thirds of the arms.
Patagium incomplete, with two to three concave chamber-rows, enveloping only the basal half of the arms.
Patagium enveloping only the basal half of the arms, forming a regular triangle with concave sides.
Patagium complete, enveloping the whole shell with exception of the terminal spines.