avascular graft


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graft

 [graft]
1. any tissue or organ for implantation or transplantation.
2. to implant or transplant such tissues. This term is preferred over transplant in the case of skin grafts. See also implant.
allogeneic graft allograft.
autodermic graft (autoepidermic graft) a skin graft taken from the patient's own body.
autologous graft (autoplastic graft) a graft taken from another area of the patient's own body; called also autograft.
avascular graft a graft of tissue in which not even transient vascularization is achieved.
bone graft bone transplanted from one site to another.
bypass graft an autograft consisting of a segment of vein or artery grafted into place in a bypass.
cable graft a nerve graft made up of several sections of nerve in the manner of a cable.
coronary artery bypass graft (CABG) see under bypass.
cutis graft dermal graft.
delayed graft a skin graft that is sutured back into its bed and subsequently used after several days.
dermal graft (dermic graft) a skin graft of dermis, used instead of fascia in various plastic procedures.
epidermic graft a skin graft in which a piece of epidermis is implanted on a raw surface.
fascia graft a graft of fibrous tissue, usually taken from the external investing fascia of the lower limb (fascia lata).
fascicular graft a nerve graft in which bundles of nerve fibers are approximated and sutured separately.
filler graft one used for the filling of defects, as the filling of depressions with fatty tissue or of a bony cyst cavity with bone chips or dried cartilage.
free graft a graft of tissue completely freed from its bed, in contrast to a flap.
full-thickness graft a skin graft consisting of the full thickness of the skin, with little or none of the subcutaneous tissue.
heterodermic graft a skin graft taken from a donor of another species.
heterologous graft (heteroplastic graft) xenograft.
homologous graft a graft of tissue obtained from the body of another animal of the same species but with a genotype differing from that of the recipient; called also allograft and homograft.
inlay graft a skin graft or mucosal graft applied by spreading the graft over a stent and suturing the graft and mold into a prepared pocket.
isogeneic graft (isologous graft) (isoplastic graft) syngraft.
lamellar graft replacement of the superficial layers of an opaque cornea by a thin layer of clear cornea from a donor eye.
mesh graft a type of split-thickness graft in which many tiny splits have been made in the skin to allow it to be stretched to cover a larger area.
Mesh skin graft applied to the leg. From McQuillan et al., 2002.
Ollier-Thiersch graft a very thin skin graft in which long, broad strips of skin, consisting of the epidermis, rete, and part of the corium, are used.
omental graft a segment of omentum and its supplying vasculature, transplanted as a free flap to another area and revascularized by anastomosis of arteries and veins.
pedicle graft pedicle flap.
penetrating graft a full-thickness corneal transplant.
periosteal graft a piece of periosteum to cover a denuded bone.
Phemister graft a bone graft of cortical bone with cancellous bone chips to enhance callus formation.
pinch graft a small piece of skin graft, partial or full thickness, obtained by elevating the skin with a needle and slicing it off with a knife.
porcine graft a split-thickness graft of skin from a pig, applied to a denuded area on a human as a temporary dressing for treatment of a severe burn.
sieve graft a skin graft from which tiny circular islands of skin are removed so that a larger denuded area can be covered, the sievelike portion being placed over one area, and the individual islands over surrounding or other denuded areas.
skin graft a piece of skin transplanted to replace a lost portion of skin; see also skin grafting.
split-skin graft (split-thickness graft) a skin graft consisting of the epidermis and a portion of dermis.
Diagram of a cross-section of the skin, demonstrating split thickness and full thickness skin grafts. From Roberts and Hedges, 1991.
syngeneic graft syngraft.
thick-split graft a skin graft consisting of the epidermis and about two thirds of the dermis.
Thiersch graft Ollier-Thiersch graft.

avascular graft

Etymology: Gk, a, without; L, vasculum, vessel; Gk, graphion, stylus
a tissue graft in which there is no infiltration of blood vessels.

avascular graft

A graft in which vascular infiltration does not occur.
See also: graft

graft

1. any tissue or organ for implantation or transplantation.
2. to implant or transplant such tissue. See also flap (1), grafting, allograft, xenograft.

autodermic graft, autoepidermic graft
a skin graft taken from the patient's own body.
autologous graft, autoplastic graft
a graft taken from another area of the patient's own body; an autograft.
avascular graft
a graft of tissue in which not even transient vascularization is achieved.
graft bed
site to which a graft is to be joined.
bone graft
the transfer of living bone, usually for fracture repair or reconstructive surgery. Various types of bone grafts are identified, depending on their source and treatment, if any, e.g. cortical, autograft, allograft, cancellous, xenograft, isograft.
cable graft
a nerve graft made up of several sections of nerve in the manner of a cable.
chess-board graft
see stamp graft (below).
cutis graft
dermal graft.
dermal graft, dermic graft
skin from which epidermis and subcutaneous fat have been removed, used instead of fascia in various plastic procedures.
graft enhancement
prior exposure of the recipient to the donor's tissues may prolong survival of a graft.
epidermal graft
a piece of epidermis implanted on a raw surface.
fascia graft
a graft of tissue taken from the external investing fascia of the leg (fascia lata).
fascicular graft
a nerve graft in which bundles of nerve fibers are approximated and sutured separately.
free graft
a graft of tissue completely freed from its bed, in contrast to a flap.
full-thickness graft
a skin graft consisting of the full thickness of the skin, with little or none of the subcutaneous tissue.
heterodermic graft
heterologous graft, heteroplastic graft
a graft of tissue transplanted between animals of different species; a heterograft or xenograft.
homologous graft
a graft of tissue obtained from the body of another animal of the same species but with a genotype differing from that of the recipient; a homograft or allograft.
isologous graft, isoplastic graft
a graft of tissue transplanted between genetically identical individuals; an isograft.
lamellar graft
replacement of the superficial layers of an opaque cornea by a thin layer of clear cornea from a donor eye.
mesh graft
skin grafts in which multiple small incisions have been made to permit lateral stretching of the graft and to increase flexibility to facilitate placement in tricky sites.
Enlarge picture
Mesh graft. By permission from Slatter D, Textbookof Small Animal Surgery, Saunders, 2002
omental g's
free or attached segments of omentum used to cover suture lines following gastrointestinal or colonic surgery.
patch graft
used in the surgical repair of tissue defects of the esophagus and to enlarge the pulmonary outflow tract. In-lay patches replace missing tissue. On-lay patches reinforce existing tissue.
pedicle graft
a portion of skin and subcutaneous tissue with a vascular attachment moved from one part of the body to another. Grafted to the new site, they not only can survive because of their own vascular supply, they can improve circulation in the site. Called also pedicle flap.
penetrating graft
a full-thickness corneal transplant.
periosteal graft
a piece of periosteum to cover a denuded bone.
pinch graft
a piece of skin graft about 6 mm in diameter, obtained by elevating the skin with a needle and slicing it off with a knife.
punch graft
grafts are obtained by using a skin biopsy punch on the animal or on a piece of separated skin.
graft rejection
seed graft
small pieces of skin are imbedded in granulation tissue on the same patient.
sieve graft
a skin graft from which tiny circular islands of skin are removed so that a larger denuded area can be covered, the sievelike portion being placed over one area, and the individual islands over surrounding or other denuded areas.
skin graft
a piece of skin implanted to replace a lost part of the integument. Many types of graft are used and are included in this list.
split-skin graft
a skin graft consisting of only a portion of the skin thickness.
sponge graft
a bit of sponge inserted into a wound to promote the formation of granulations.
stamp graft
squares of split-thickness or full-thickness skin are placed on a bed of granulation tissue.
thick-split graft
a skin graft cut in pieces, often including about two-thirds of the full thickness of the skin.
tubed graft
see rope flap.
tunnel graft
see rope flap.
vascular graft
see vascular conduit.