GENERAL HISTOLOGY

BONE

STRUCTURES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ are found at the ends of long bones and the middle of flat bones.
A
Cancellous/spongy
B
Corticol/compact
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Cancellous bone (also known as spong bone) is spongy, soft and found within flat bones and at the ends of long bones. It contains the bone marrow, fat and blood vessels within it.

Detailed explanation-2: -The ends of a long bone contain spongy bone and an epiphyseal line. The epiphyseal line is a remnant of an area that contained hyaline cartilage that grew during childhood to lengthen the bone.

Detailed explanation-3: -Figure 6.32 – Periosteum and Endosteum: The periosteum forms the outer surface of bone, and the endosteum lines the medullary cavity. Flat bones, like those of the cranium, consist of a layer of diploë (spongy bone), covered on either side by a layer of compact bone (Figure 6.3.

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