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Ch. 6 Bones and Bone Structure
Martini - Fundamentals of Anatomy & Physiology 11th Edition
Martini, Nath, Bartholomew11th EditionFundamentals of Anatomy & PhysiologyISBN: 9780136874089Non è quello che usi tu?Cambia libro di testo
Capitolo 6, Problema 25

The process of bone growth at the epiphyseal cartilage is similar to:
(a) Intramembranous ossification
(b) Endochondral ossification
(c) The process of osteopenia
(d) The process of healing a fracture
(e) The process of calcification

Guida verificata passo dopo passo
1
Step 1: Understand the key terms in the question. The epiphyseal cartilage, also known as the growth plate, is the area of growing tissue near the ends of long bones in children and adolescents.
Step 2: Recall the two main types of bone formation: intramembranous ossification and endochondral ossification. Intramembranous ossification involves direct bone formation from mesenchymal tissue, mainly in flat bones like the skull.
Step 3: Recognize that endochondral ossification involves the replacement of cartilage by bone, which is the process that occurs in long bones during growth, especially at the epiphyseal cartilage.
Step 4: Compare the options: osteopenia is a condition of reduced bone density, fracture healing is a repair process, and calcification is the deposition of calcium salts, which is part of ossification but not the entire process.
Step 5: Conclude that the process of bone growth at the epiphyseal cartilage is most similar to endochondral ossification, where cartilage is gradually replaced by bone tissue during growth.

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Epiphyseal Cartilage and Bone Growth

Epiphyseal cartilage, also known as the growth plate, is a layer of hyaline cartilage where new bone is produced during childhood and adolescence, allowing bones to lengthen. This cartilage gradually ossifies as the individual matures, contributing to longitudinal bone growth.
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Hyaline Cartilage

Endochondral Ossification

Endochondral ossification is the process where bone develops by replacing hyaline cartilage. It is the primary method for forming long bones and involves cartilage growth, calcification, and subsequent replacement by bone tissue, closely mirroring the activity at the epiphyseal plate.
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02:23
Structural Class: Cartilaginous Joints Example 1

Intramembranous Ossification

Intramembranous ossification is a bone formation process where bone develops directly from mesenchymal tissue without a cartilage precursor. This process mainly forms flat bones like those of the skull and differs from the cartilage-based growth seen at the epiphyseal plate.
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Structural Class: Cartilaginous Joints Example 1
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