| Definition/Meaning | Word/Phrase |
| any of the membranous air-filled extensions of the lungs of birds |
air sac
|
| thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals) |
amnion
,
amnios
,
amniotic sac
|
| baby membranous organ fluid |
amnion
,
chorion
|
| fungus with a brown cap and white gills and a membranous ring halfway up the stalk |
Armillaria caligata
,
booted armillaria
|
| nocturnal mouselike mammal with forelimbs modified to form membranous wings and anatomical adaptations for echolocation by which they navigate |
bat
,
chiropteran
|
| South American plant having green to purple or red branches with green to purple ornamental foliage and spikes of insignificant woolly flowers with dry membranous bracts |
beef plant
,
beefsteak plant
,
Iresine herbstii
,
Iresine reticulata
|
| insect having biting mouthparts and front wings modified to form horny covers overlying the membranous rear wings |
beetle
|
| distensible membranous sac (usually containing liquid or gas) |
bladder
,
vesica
|
| cavity in the petrous part of the temporal bone that contains the membranous labyrinth |
bony labyrinth
,
osseous labyrinth
|
| small moth-like insect having two pairs of hairy membranous wings and aquatic larvae |
caddice-fly
,
caddice fly
,
caddis-fly
,
caddis fly
|
| membranous pouch inside the mouth of many rodents (as a gopher) |
cheek pouch
|
| outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals) |
chorion
|
| stout-bodied insect with large membranous wings; male has drum-like organs for producing a high-pitched drone |
cicada
,
cicala
|
| slender insect with delicate membranous wings having an aquatic larval stage and terrestrial adult stage usually lasting less than two days |
dayfly
,
mayfly
,
shadfly
|
| bodily fluid that fills the membranous labyrinth of the inner ear |
endolymph
|
| membranous tissue covering internal organs and other internal surfaces of the body |
epithelial tissue
,
epithelium
|
| cell membranous tissue forming most surfaces of body and organs |
epithelium
|
| family of fungi having brightly colored fleshy or membranous ascocarps; sometimes placed in its own order Hypocreales |
family Hypocreaceae
,
Hypocreaceae
|
| fungi having leathery or membranous sporophores |
family Thelephoraceae
,
Thelephoraceae
|
| having membranous expansions along sides of body and limbs and tail |
flying gecko
,
fringed gecko
,
Ptychozoon homalocephalum
|