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The medullary cavity (medulla, innermost part) is the central cavity of bone shafts where red bone marrow and/or yellow bone marrow (adipose tissue) is stored; hence, the medullary cavity is also known as the marrow cavity.
For example, a newborn baby's bones exclusively contain hematopoietically active "red" marrow, and there is a progressive conversion towards "yellow" marrow with age. In adults, red marrow is found mainly in the central skeleton, such as the pelvis, sternum, cranium, ribs, vertebrae and scapulae, and variably found in the proximal epiphyseal ...
The diaphysis (pl.: diaphyses) is the main or midsection (shaft) of a long bone.It is made up of cortical bone and usually contains bone marrow and adipose tissue (fat).. It is a middle tubular part composed of compact bone which surrounds a central marrow cavity which contains red or yellow marrow.
Inside this is the medullary cavity which has an inner core of bone marrow, it contains nutrients and help in formation of cells, made up of yellow marrow in the adult and red marrow in the child. Long bones in human skeleton (shown in red)
A sinus refers to a bony cavity, usually within the skull. [18] Joints ... Inside of the head of femur, showing surface of the bone, red and yellow bone marrow.
Medullary cavity; Endosteum; Yellow bone marrow; Red bone marrow; Nutrient foramen; ... The thoracic cavity is the chamber of the body of vertebrates that is ...
The epiphysis is filled with red bone marrow, which produces erythrocytes (red blood cells). Structure. There are four types of epiphyses:
Bone marrow, also known as myeloid tissue in red bone marrow, can be found in almost any bone that holds cancellous tissue. In newborns , all such bones are filled exclusively with red marrow or hematopoietic marrow, but as the child ages the hematopoietic fraction decreases in quantity and the fatty/ yellow fraction called marrow adipose ...