Biology
Comparison between cartilage and bone
Cartilage | Bone |
1. It is semi-rigid and flexible | It is rigid and strong |
2. The matrix lacks blood vessels (non-vascular) | The matrix has blood vessels (vascular) |
3. Non-calcified matrix | Calcified matrix |
4. The matrix protein is chondrin | The matrix protein is ossein |
5. Each lacuna in the matrix has 2 or 3 cartilage cells (chondrocytes) | Each lacuna in the matrix has a single bone cell (osteocyte) |
6. The matrix is not arranged in lamellae | The matrix is arranged in lamellae |
7. Haversian systems, canaliculi and Volkman?s canals are absent | Present |
8. Growth is unidirectional | Growth is bidirectional |
-
Respiration
Respiration is the breakdown of large glucose molecules into simple molecules such as carbon dioxide and water with the simultaneous release of energy inside living cells. It is an enzyme mediated process. Main processes: Glycolysis (glucose to pyruvate,...
-
Structure And Functions Of Organelles
The nucleus is bound by two membranes known as the nuclear envelope, which has perforations called nuclear pores. Chromatin within the nucleus condenses to form chromosomes during cell division. The nucleus controls all cellular activity. During mitosis,...
-
#94 Structure And Function Of The Mitochondrion
The mitochondrion is a power plant and industrial park of the cell where energy stored in the bonds of carbohydrates is converted to a form more useful to the cell (ATP) and certain essential biochemical conversions of amino acids and fatty acids occur....
-
Elastin
Term: elastinLiterally meaning: ?protein of flexibility?Origin: Anc Greek????/elao(=be flexibe or ductile)) >??????/elavno(=run, drive)Coined/History The insolubility of elastin made its isolation difficult until early 1970?s when the soluble...
-
Stroma (pl Stromata)
Term: stromaOrigin: Anc Greek ??????/stroma(=bed covering) > ?????????? /storenemi(=spread out for sitting or lying upon) Definition:1. (anatomy). The supportive framework of an organ or other structure, typically...
Biology