A Surgical Procedure for a Repair of a Chondral Defect

question 11

Multiple Choice

A surgical procedure for a repair of a chondral defect of the medial femoral condyle involves the following: harvesting multiple plugs of intact articular cartilage along with some subchondral bone of the patient's own tissue from a donor site (typically a non-weight-bearing portion of the joint surface) and implanting the plugs (using a press fit) into the site of the articular lesion.This procedure is called:

• A) Autologous chondrocyte implantation.
• B) Osteochondral autograft transplantation.
• C) Microfracture.
• D) Debridement and lavage.

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Definitions:

Cardiocyte

A muscle cell of the heart, specialized for continuous contractions that pump blood throughout the body.

Gap Junctions

Specialized intercellular connections that facilitate the direct transfer of ions and small molecules between the cytoplasm of adjacent cells.

Desmosomes

Cell structures specialized for cell-to-cell adhesion, acting as anchors between cells in tissues that undergo significant stress.

Tight Junctions

Specialized connections between neighboring cells, creating a nearly impermeable barrier to prevent leakage of extracellular fluid across a layer of epithelial cells.