Where does bone formation occur during endochondral ossification?
a. Fibrous membranous sheet
b. Adipose tissue
c. Hyaline cartilage model
Answer: c. Hyaline cartilage model
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A boy who has not passed through puberty sustains an injury to his anterior pituitary such that FSH is no longer released, but LH is normal. After the individual grows to maturity, one would expect that he would
A) have impaired function of the interstitial cells. B) produce large amounts of inhibin. C) be impotent. D) be sterile. E) not develop secondary sex characteristics.
Which of the following constitutes the principal venous drainage of the thoracic organs?
A. The branches of the celiac trunk B. The azygos system C. The hepatic portal system D. The coronary and pulmonary veins E. The mesenteric circulation
The expanded distal end of the fibula is called the
A. shaft. B. neck. C. head. D. medial malleolus. E. lateral malleolus.
Which vessel in the diagram is the interlobular vein?
a) C b) D c) E d) F e) L