Although often armed with teeth, these bones are to be considered of the general nature of the membrane bones.
In addition to this, there is a membrane in the mouth which can be inflated through the gills.
If fibrin is present, false membranes form on the surface and the membrane itself appears to be greatly thickened.
The peritoneum is the membrane which is stretched around the abdomen.
In such cases this membrane is unusually strong, and conception occurs without its being broken.
In others, toes with an intervening web or membrane, as in seals and geese.
It is situated below the thyroid cartilage, with which it is connected by a membrane, the crico-thyroid.
Others, great length of fin or of membrane, as the flying fish and the bat.
The only use of the fork appears to be to give firm attachment to the membrane uniting the valves and peduncle.
Increase in tension may produce fissures in Descemet's membrane.
early 15c., "thin layer of skin or tissue," a term in anatomy, from Latin membrana "a skin, membrane; parchment (skin prepared for writing)," from membrum "limb, member of the body" (see member). The etymological sense is "that which covers the members of the body."
membrane mem·brane (měm'brān')
A thin pliable layer of tissue covering surfaces, enveloping a part, lining a cavity, or separating or connecting structures or organs.
A thin sheet of natural or synthetic material that is permeable to substances in solution.