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bone
| Question | Answer |
|---|---|
| Long Bones | Long bones are a classification of bones in the human body, defined by their cylindrical shape |
| Short Bones | Short bones are roughly cube-shaped bones, such as those found in the wrists (carpals) and ankles (tarsals) |
| Flat Bones | Flat bones are a type of bone that is thin, flattened, and often curved, serving to protect internal organs and provide broad surfaces for muscle attachment. |
| Irregular Bones | Irregular bones are a type of bone that have complex, asymmetrical shapes and do not fit into the other categories of bones (long |
| Diaphysis | the shaft or central part of a long bone. |
| Epiphysis | the end part of a long bone, initially growing separately from the shaft. |
| Epiphyseal Line | The epiphyseal line is a thin, visible line that marks the boundary between the epiphysis (the rounded end of a long bone) and the metaphysis (the |
| Metaphysis | The metaphysis is the broad region of an immature long bone located between the shaft (diaphysis) and the ends (epiphysis) |
| Medullary Cavity | The medullary cavity is the hollow space found in the diaphysis (shaft) of long bones, containing yellow bone marrow which stores fat. In |
| Yellow Bone Marrow | Yellow bone marrow is a type of tissue found inside the hollow center (medullary cavity) of certain bones. |
| Periosteum | a dense layer of vascular connective tissue enveloping the bones except at the surfaces of the joints. |
| Articular Cartilage | Definition: Articular cartilage is a specialized type of connective tissue that covers the ends of bones in synovial joints, such as the knee, hip, and shoulder. |
| Trabeculae | each of a series or group of partitions formed by bands or columns of connective tissue, especially a plate of the calcareous tissue forming cancellous bone. |
| Red Bone Marrow | Red bone marrow is a soft, spongy tissue found inside certain bones. It is responsible for producing blood cells, including red blood cells, white blood cells, and platelets. |
| Osteon | An osteon, also known as a Haversian system, is the basic structural and functional unit of compact bone, consisting of concentric layers of bone matrix ( |
| Haversian Canal | any of the minute tubes which form a network in bone and contain blood vessels. |
| Osteocyte | Osteocytes are one of the four kinds of bone cells. Due to derivation from osteoblasts, |
| Osteoblast | Osteoblasts are specialized cells responsible for building and maintaining bone tissue. |
| Osteoclast | An osteoclast is a large, multinucleated bone cell responsible for bone resorption, the process of breaking down and dissolving bone tissue. |
| Canaliculi | Bone canaliculi are microscopic, narrow canals within the solid bone matrix that connect lacunae (spaces housing osteocytes) and extend to central canals. |
| Lamellae | a thin layer, membrane, or plate of tissue, especially in bone. |
| Endosteum | The endosteum is a thin layer of connective tissue that lines the inner surfaces of bones, including the medullary cavity and the surfaces of spongy bone. |
| Lacuna | a cavity or depression, especially in bone. |
| Blood Vessels | There are 3 main types of blood vessels: Arteries — carry blood pumped away from the heart to the organs. Veins — return blood to the heart from the body organs. Capillaries — tiny vessels that connect arteries and veins. |
| Arterioles | a small branch of an artery leading into capillaries. |
| Venules | a very small vein, especially one collecting blood from the capillaries. |
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