The following are important steps in the process of endochondral ossification

1. Blood vessels grow around the edges of the cartilage and perichondrium differentiates into osteoblasts.
2. Capillaries and osteoblasts migrate to the epithyses forming the secondary ossification centers.
3. Chondrocytes enlarge and the surrounding matrix begins to calcify.
4. Remodeling continues and the shaft becomes thicker.
5. Blood vessels penetrate the cartilage and invade the central region forming the primary ossification center.

What is the correct order for these events?

A) 3, 1, 5, 4, 2
B) 1, 3, 5, 4, 2
C) 1, 5, 3, 4, 2
D) 2, 3, 1, 5, 4
E) 3, 1, 4, 5, 2


Answer: A

Anatomy & Physiology

You might also like to view...

Which of the following restraint equipment should not be used on cats?

a. rabies pole c. anesthesia chamber b. muzzle d. squeeze chute

Anatomy & Physiology

Under normal circumstances, the wrist can be hyperextended, but the elbow cannot.

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

Anatomy & Physiology

The deepest of the abdominal muscles are the _________ muscles

A.   rectus abdominis B.   transversus abdominis C.   internal oblique D.   external oblique E.   tendinous intersections

Anatomy & Physiology

What endocrine gland secretes melatonin?

a. hypothalamus b. adrenal cortex c. adrenal medulla d. pineal gland e. posterior pituitary gland

Anatomy & Physiology