Define pumice. pumice synonyms, pumice pronunciation, pumice translation, English dictionary definition of pumice. n. A light, porous, glassy lava, used in solid form as an abrasive and in powdered form as a polish and an abrasive. tr.v. pumÂ·iced , pumÂ·icÂ·ing , pumÂ·icÂ·es...
Articular cartilage is a white, smooth tissue which covers the ends of bones in joints. It enables bones of a joint to easily glide over one another with very little friction. This establishes easy movement.Many areas of the body can contain this kind of cartilage.rticular cartilage is a white, smooth tissue which covers the ends of bones in joints. It enables bones of a joint to easily glide over one another with very little friction. This establishes easy movement.
2. part of a bone formed from a secondary center of ossification, commonly found at the ends of long bones, on the margins of flat bones, and at tubercles and processes; during the period of growth epiphyses are separated from the main portion of the bone by cartilage.epiphysis cerebri. pineal body.1  Facebook.. part of a bone formed from a secondary center of ossification, commonly found at the ends of long bones, on the margins of flat bones, and at tubercles and processes; during the period of growth epiphyses are separated from the main portion of the bone by cartilage. epiphysis cerebri. pineal body. 1  Facebook.