Which structure extends over the ends of the penis?

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Prepare for the Ultrasound Registry (URR) Exam with focused practice on abdomen topics. Use flashcards and multiple choice questions with hints and explanations. Achieve exam success with comprehensive study materials.

Multiple Choice

Which structure extends over the ends of the penis?

Explanation:
The key idea is recognizing penile anatomy and which part forms the distal head. Two dorsal erectile cylinders (the corpora cavernosa) run along the shaft and do not reach beyond the tip. The ventral erectile tissue (the corpus spongiosum) surrounds the urethra and ends as the glans, the rounded head that sits at the distal end of the penis. The tunica albuginea is a fibrous covering around the erectile bodies, not the distal extension itself. Since the glans penis is the distal expansion that covers the end of the penis, it is the structure that extends over the ends.

The key idea is recognizing penile anatomy and which part forms the distal head. Two dorsal erectile cylinders (the corpora cavernosa) run along the shaft and do not reach beyond the tip. The ventral erectile tissue (the corpus spongiosum) surrounds the urethra and ends as the glans, the rounded head that sits at the distal end of the penis. The tunica albuginea is a fibrous covering around the erectile bodies, not the distal extension itself. Since the glans penis is the distal expansion that covers the end of the penis, it is the structure that extends over the ends.

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