The osteon is ________.

a fibrous membrane that covers and protects bone
the structural unit of compact bone
the structural unit of spongy bone
a network of red marrow


the structural unit of compact bone

Anatomy & Physiology

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The spreading of cancer cells around the body from the original source is called:

a. diapedesis b. apoptosis c. benign d. malignant e. metastasis

Anatomy & Physiology

An "open book" fracture occurs when blunt force trauma causes the two pubis bones of the pelvic girdle to separate, opening the entire girdle from the front like a book. The section of the pelvic girdle that would be broken in this injury is the pubic symphysis.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

Which of these comparisons between smooth muscle and skeletal muscle is NOT correct?

A) Smooth muscle cells are tapered at each end; skeletal muscle cells are long and cylindrical. B) Smooth muscle cells are under voluntary control; skeletal muscle is involuntary. C) Smooth muscle forms the walls of hollow organs except the heart; skeletal muscle attaches to the skeleton. D) Smooth muscle cells have a single nucleus; skeletal muscle cells have many. E) Smooth muscle cells have no striations; skeletal muscle cells have striations.

Anatomy & Physiology

The framework or stroma of organs such as the spleen, liver, and lymph nodes is made up of ________ tissue

A) areolar connective B) regular dense connective C) irregular dense connective D) reticular connective E) adipose

Anatomy & Physiology