What is the hollow space within the diaphysis of a long bone called?Multiple choice question.Medullary cavityNutrient foramenCentral canalTrabecula

Breakdown of the Problem

1. Identify the terms given in the multiple-choice options.
2. Understand the context of long bone anatomy to determine the correct answer.

Relevant Concepts

• The diaphysis of a long bone refers to the elongated shaft.
• The cavities or spaces associated with bone structures are critical for physiological functions such as housing marrow and nutrient supply.

Analysis and Detail

• Medullary cavity: This is the term used for the hollow space within the diaphysis of long bones, where yellow bone marrow is typically found.
• Nutrient foramen: Openings in the bone surface that allow blood vessels to enter and supply nutrients.
• Central canal: Part of the osteon in compact bone that contains blood vessels and nerves, but is not the main cavity of the diaphysis.
• Trabecula: Refers to the supporting strands or beams within spongy bone.

Verify and Summarize

After reviewing the options, it is clear that the medullary cavity is the correct term for the hollow space within the diaphysis of a long bone.

Final Answer

Medullary cavity