a ridge that forms the borders of the upper and lower jaws and contains the sockets of the teeth

a ridge that forms the borders of the upper and lower jaws and contains the sockets of the teeth

abnormal enlargement of the air sacs in the lungs

the part of the upper or lower jawbones in which the teeth are set

the part of the upper or lower jawbones in which the teeth are set

a consonant articulated with the tip of the tongue near the gum ridge

a consonant articulated with the tip of the tongue near the gum ridge

an animal having teeth consolidated with the summit of the alveolar ridge without sockets