periosteal bud

bud (bud)

1. a structure on a plant, often round, that encloses an undeveloped flower or leaf.

2. any small part of the embryo or adult metazoon more or less resembling the bud of a plant and presumed to have potential for growth and differentiation.

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end bud  caudal eminence.

limb bud  a swelling on the trunk of an embryo that becomes a limb.

periosteal bud  vascular connective tissue from the periosteum growing through apertures in the periosteal bone collar into the cartilage matrix of the primary center of ossification.

tail bud 

1. in animals having a tail, the primordium that forms it.

2. caudal eminence.

taste bud  one of the end organs of the gustatory nerve containing the receptor surfaces for the sense of taste.

ureteric bud  an outgrowth of the mesonephric duct giving rise to all but the nephrons of the permanent kidney.

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periosteal bud

n.

A vascular connective tissue bud from the perichondrium that enters the cartilage of a developing long bone and contributes to the formation of a center for ossification.

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periosteal

pertaining to or emanating from the periosteum.

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periosteal bud

a stage in the development of bone to replace existing cartilage; periosteal bud formation results in the removal of calcified cartilage.

periosteal elevator

a heavy metal instrument, with a broad, flat thin end for prising between periosteum and bone and lifting the periosteum prior to working on the bone. See also sayre elevator, matson elevator.

periosteal reaction

production of new bone by the periosteum in response to injury or irritation.

periosteal stripping

may occur in association with fractures, damaging vascular supply and delaying callus formation.