n.松果体，（骨）骺；脑上体

The epiphysis is the rounded end of a long bone where it articulates with another bone.
这个句子的意思是：关节软骨，即长骨末端与另一骨头相连的部分。
The adolescent growth spurt often involves the fusion of the epiphyses in the legs and arms.
青少年生长突增期通常包括腿部和手臂的关节软骨融合。
Epiphyseal dysplasia is a rare genetic disorder affecting the growth plates of bones.
这个句子解释了：骨骺发育不良是一种罕见的遗传性疾病，影响骨骼的生长板。
The doctor palpated the child's elbow to check for the presence of an epiphysis.
医生检查孩子的肘部，确认是否有关节软骨。
Epiphyseal separation injuries can lead to delayed bone maturity in young athletes.
这句话指出：关节软骨分离伤可能导致年轻运动员的骨骼发育延迟。
During physical therapy, exercises were designed to strengthen the muscles around the epiphysis.
物理治疗中，设计的锻炼目的是强化关节软骨周围的肌肉。
The radiologist noted the mature epiphysis on the X-ray of the adolescent's wrist.
在青少年手腕的X光片上，放射科医生注意到了成熟的关节软骨。
Epiphysial ossification is a key stage in the process of bone development.
这句话说明：关节软骨钙化是骨骼发育过程中的重要阶段。
Injuries to the epiphysis may require immobilization and careful monitoring by a specialist.
关节软骨损伤可能需要固定并由专家密切观察。
The pediatric orthopedic surgeon performed surgery to repair a damaged epiphysis.
儿童骨科外科医生进行了手术，修复受损的关节软骨。