標籤: 暫無標籤

鳥類羽毛在體表著生的一定區域.不生羽毛的地方稱裸區.羽毛的這種著生方式,有利於劇烈的飛翔運動.鴕鳥、企鵝等不會飛翔的鳥類,羽毛在體表連續生長,無羽區、裸區之分.大多數鳥類的羽毛僅在羽區內生長.裸區一般都被鄰近羽區的廓羽所覆蓋.由嘴基到頭頂及連接著背區的部位為頭部羽區;接下去直到尾上覆羽為背部羽區.肩部羽區比較窄.股部羽區也較窄,從股部沿著脅部伸向尾部.由翅的飛羽和覆羽組成翼羽區.尾羽、尾覆羽、肛周羽和尾脂腺上羽毛構成尾羽區.分叉分佈的體下羽毛構成腹部羽區.相 關 詞 條:動物 |鴕鳥 |太平鳥 |GOOGLE英文翻譯:Bird feathers in the hygiene of a certain surface area. Does not of Health said the bare area where feathers. Feathers the health of this approach is conducive to intense flight campaign. Ostriches, penguins and other birds will not fly, feathers in vivo form a continuous growth, feather-free zone, bare area of the points. most of the birds feathers grow only in the plume zone. Bare areas are generally adjacent feathers are contour feathers covered area. from the nozzle base to the top of the head and connected to the dorsal region of the parts for the head plume zone; goes on until the tail feathers on the back underneath the area. shoulders relatively narrow plume area. femoral plume area was narrow, from the thigh stretch along the rear flank. from the wings of the flight feathers and the composition of wing feathers underneath zone. tail feathers, tail feathers underneath, perianal feathers and tail feathers constitute the tail feathers on the sebaceous glands area. forking distribution of abdominal body constituted under the feathers, feather area. Related term: Animal | ostrich | Waxwing |
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