What is the Intramembranous membrane?

Intramembranous ossification is the process of bone development from fibrous membranes. It is involved in the formation of the flat bones of the skull, the mandible, and the clavicles. The non-mineralized portion of the bone or osteoid continues to form around blood vessels, forming spongy bone.

What characteristics does the Perichondral bone have?

Perichondral bone is laid down at the surface of the cartilaginous template by cells that were formerly part of the perichondrium. The cells have now characteristics of osteoblasts and secrete bone matrix or a mixture of cartilage and bone matrix (Huysseune, 2000; Huysseune and Sire, 1992a; Verreijdt et al., 2002).

What is Perichondral bone?

A collar or cuff of osseous tissue that forms in the perichondrium of the cartilage in the development of a long bone. …

What is Perichondral ossification?

perichondral ossification. Search Ontology: Synonyms: Definition: Intramembranous ossification from the surface of a cartilage element as the perichondrium becomes a periosteum, without replacement of cartilage.

What is the medical definition of perichondrium?

Medical Definition of perichondrium : the membrane of fibrous connective tissue that invests cartilage except at joints

Where is the perichondral bone laid down in the body?

Perichondral bone is laid down at the surface of the cartilaginous template by cells that were formerly part of the perichondrium. The cells have now characteristics of osteoblasts and secrete bone matrix or a mixture of cartilage and bone matrix ( Huysseune, 2000; Huysseune and Sire, 1992a; Verreijdt et al., 2002 ).

How is the perichondrium around a tracheal defect closed?

Once the location of the defect was known, the perichondrium around the tracheal defect was closed with a figure-of-eight absorbable suture, and the overlying soft tissue was closed sequentially in layers.

What kind of graft is used to remove perichondrium?

Various graft materials have been used since then including skin, amniotic membrane, mucous membrane, dura mater, cornea, periosteum, perichondrium, vein, adipose tissue and temporalis fascia. Removal of the perichondrium was performed with conventional surgery on the left ears and cryosurgery was performed on the right ears.