membranous
membranaceous

He touched the membranous wall of the frame and looked back at me.

They made no sound at all themselves, and even their membranous wings were silent.

At the underside the mine is quite larger and membranous.

First, she had spread her four membranous wings and flown into the air.

The membranous olive green leaves are up to 2.5 centimeters long.

They have horns on their heads and wide membranous wings.

They are unique in that some appear to arise from a "membranous structure".

The white veil is rather membranous and yields a thin ring.

They can fly using a set of membranous wings.

It is white, thin, membranous, and hangs like a skirt.

A membranous annulus is present, placed low on the stem.

Through the obscuring mist he made out other membranous sacks.

It usually refers to membranous structures that line or cover particular organs.

The flower is made up of a few pointed, brown segments with membranous edges.

The leaves are often membranous with small black glands.

The shorter hind wings, used for flying, are membranous throughout.

The plates from which the test is made overlap each other and are bound together by a membranous connection.

The wings are membranous and translucent, with evident brown veins.

Camouflage will now be made of membranous materials and light synthetic insulation.

It looked like a huge rose, closed, flanked by a great, thick green membranous platform.

Membranous wings stretched between the joints of its almost skeletal arms.

The abdomen is slender, but membranous so it can swell when feeding.

In the lumbar region they are thin and membranous.

The anterior fontanelle is membranous and closes within 4-26 months of life.

The stem has a membranous, whitish ring on its upper half.

They produce a membranaceous bag to hold the eggs, which is carried on the underside.

The epidermis is yellow, membranaceous, and rather thick.

The petals and the lip are membranaceous.

The jaw is thin and membranaceous.

This genus is characterized by the presence of a membranaceous penial cuticle.

The pseudobulbs and rhizome are covered with membranaceous sheathes.

Its three-nerved, dorsal sepals are membranaceous and hairless.

The peristome is thin, membranaceous, columellar margin much curved inwards.

The bracts resemble the leaves, at the upper flowers they are shorter than bracteoles and flowers, with membranaceous margin all around.

Seeds thin, with 2 wings; wings hyaline, membranaceous, and sharply demarcated from the seed body.

The bracteoles are scale-like, transverse-oval, with membranaceous margin all around, adjacent to the flowers, together with the bract forming a low cup.

The perianth consists of 1-5 white, membranaceous tepals (missing in some Corispermum species) without vascular bundles, not persistent.

The sessile, membranaceous ovate or elliptic leaves 3 - 14 cm long by 2 - 8 cm wide, glabrescent above, tomentose below.

The leaves are mostly subsessile, lanceolate to ovate-lanceolate, 8 - 18 cm long by 2 - 6 cm wide, membranaceous, tomentulose above, tomentose below.

The membranaceous leaves are narrowly lanceolate, 7 - 19 cm long by 2 - 4 cm wide, with a tomentulose to glabrescent upper surface, lanose below.

The fruit is a semiorbicular pod 2-3 cm diameter, surrounded by a flat 4-6 cm diameter membranaceous wing (wing-like structure) which aids dispersal by the wind.

The young branches are quadrangular, bearing sessile oblong to elliptic membranaceous leaves 6 - 15 cm long by 0.8 - 3 cm wide, glabrous above and glabrescent below.

The cap is dry, silkily shiny or tomentose at the margin with membranaceous bronze fragments of the veil, the white fragments of which often adhere to the surface like scabs.

Its fleshy, sessile, glabrous leaves are minute (5-6 mm long by 3-4.5 mm wide), elliptic or elliptic-orbicular, acute or obtuse, some having tiny, membranaceous sheaths at base.

The membranaceous ovate leaves have 0.5 - 1 cm petioles, and are 4 - 8 cm long by 1.3 - 3.5 cm wide, glabrescent above but with white tomentum below.

The leaves are narrow, folded or flat, sometimes bristled, and with the basal sheath flattened or sometimes thickened, with a blunt or hooded apex and membranaceous ligule.

At maturity the grayish one-seeded pod is tomentulose and membranaceous and can be easily rubbed off the single shiny black 5 mm long reniform seed that it tightly encloses.

The young branches are subquadrangular, almost glabrous, bearing subsessile ovate or lanceolate leaves 7 - 10 cm long by 2.4 - 4 cm wide, membranaceous, glabrescent above and below.

The young branches are subquadrangular and tomentulose bearing membranaceous oblong-lanceolate or lanceolate leaves 9 - 15 cm long by 3.5 - 7 cm wide, with 0.5 - 2 cm petioles.

The leaves have petioles 3 - 5 cm long and are membranaceous, the blade lanceolate, 10 - 23 cm long by 4 - 8.5 cm wide, initially tomentous above, becoming glabrescent later.