Ch. 26 The Reproductive System
What are the primary sex organs or gonads in a male and a female?
What do the gonads produce?
1. sex cells or gametes
2. secrete a variety of steroid hormones called sex hormones
Reproductive structures such as ducts, glands and external genitalia make up?
Accessory reproductive organs
This organ produces sperm.
Testes or male gonads
A sac of skin and superficial fascia that hangs outside the abdominopelvic cavity at the root of the penis
Sperm is produced at a temperature that is ____C lower than body temperature (37C)
A layer of smooth muscle in the superficial fascia that wrinkles the scrotal skin.
A band of skeletal muscle that arise from the internal oblique muscles of the trunk that elevates the testes
The testes are surrounded by two tunics:
1. Tunica vaginalis
2. Tunica albuginea
The outer two layered tunic of the testes is the?
The inner fibrous capsule tunic of the testes is the?
The testis is divided into how many wedge-shaped lobules?
Tightly collided tubules that produce sperm, can be found in the lobules in the testes?
The epithelium of the seminiferous tubles contains two types of cells.
1. Spermatogenic cells
2. Sustentocytes ( supporting cells that play several roles in sperm formation)