What Is Important to Know About the Evolution of Invertebrate

question 14

Essay

What is important to know about the evolution of invertebrate phyla?

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Definitions:

Glans Penis

The expanded distal end of the penis, characterized by a high degree of sensitivity and the location of the urethral opening.

Spermatic Cord

A bundle of fibers and tissues including the vas deferens, blood vessels, nerves, and muscle that run from the abdomen to each testicle.

Varicocele

An abnormal enlargement of the venous plexus in the scrotum, akin to varicose veins, often affecting fertility in men.

Benign Prostatic Hyperplasia

Noncancerous enlargement of the prostate gland, common in older men.