ANATOMY

GENERAL ANATOMY

SKELETAL ANATOMY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following terms best describes a circular unit of bone?
A
Osteon
B
Lacuna
C
Lamella
D
Canalculi
Explanation: 

Detailed explanation-1: -Osteon: structural unit of bone consisting of a haversian canal and corresponding lamellae of compact bone. Osteons represents a single functional unit of bone tissue.

Detailed explanation-2: -The circular structural unit found within compact bone is termed the osteon, and consists of a central canal surrounded by layers of bone.

Detailed explanation-3: -Bone is made up of compact tissue (the hard, outer layer) and cancellous tissue (the spongy, inner layer that contains red marrow). Bone tissue is maintained by bone-forming cells called osteoblasts and cells that break down bone called osteoclasts.

Detailed explanation-4: -The bony skeleton is divided into 2 parts: the axial skeleton and the appendicular skeleton. The axial skeleton is the central core unit, consisting of the skull, vertebrae, ribs, and sternum. The appendicular skeleton comprises the bones of the extremities.

Detailed explanation-5: -These bones are divided into two main parts: Your appendicular skeleton and your axial skeleton. Your axial skeleton is made up of the bones along your vertical axis. Axial comes from the word “axis, ” which means line. The bones line up along the central core of your body.

There is 1 question to complete.