Achondroplastic dwarfism is a hereditary condition in which the long bones of the limbs fail to elongate normally because of reduced hyperplasia and hypertrophy of cartilage in the
A)primary ossification center.
B)secondary ossification center.
C)primary bone marrow.
D)secondary bone marrow.
E)epiphyseal plate.

Question

Quizplus · Accepted Answer

The epiphyseal plate is the site of growth in long bones, where cartilage undergoes hyperplasia and hypertrophy to lengthen the bone. In achondroplastic dwarfism, this process is reduced, leading to short limbs. The primary and secondary ossification centers are not directly involved in bone elongation, and the bone marrow plays a role in hematopoiesis and not bone growth.

Achondroplastic Dwarfism Is a Hereditary Condition in Which the Long