1.pterotic horn or process On the neurocranium, elongated posterior projections of the sphenopterotic ridges of the otic capsules.
翼耳骨突在脑颅上,耳囊鞘的翼耳骨脊的延长后部突起。
2.Ridges on achene surface in Senecio and Taraxacum are useful for absorbing small particles or control-ling surface temperature.Spinule on achene of Taraxacum may be fit for epizoochore.
. 7 5 -4 (10X) 】The epithelium shows considerable superficial hyperkeratosis, parakeratosis and thickening of the underlying epidermis (acanthosis) with thickening and elongation of the rete ridges .
4.In a pennaceous feather, the barbs grow helically around the tubular feather germ and fuse on one side to form the rachis.Simultaneously, new barb ridges form on the other side of the tube.
在正上,枝以螺旋形绕著管状的芽生长,在管子的一侧接合在一起形,同时在管子的另一侧形新的枝脊。
5.Fruit ellipsoid, slightly dorsally compressed, 2–4.5 × 1.5–2.5 mm, densely tomentose or squamose-scaly, especially along ridges;