male reproductive system

Testes

Testes

Produce sperm (spermatogenesis) in

seminiferous tubules.

Secretes testosterone (Leydig cells).

Scrotum

External sac that holds the testes

outside the body, keeping them

cooler than body temperature

to support sperm production.

Vas deferens

Transports sperm from epididymis to urethra

Ejaculatory duct

Formed by the vas deferens and seminal

vesicle duct; mixes sperm with seminal

fluid before entering the urethra.

Urethra

Shared passage for urine and semen

Epididimys

Stores and matures sperm protects sperm until egaculation

Rate testis

Network of tubules inside the testis that

collects sperm from seminiferous tubules

and passes them to the epididymis

Seminiferous tubule

Coiled structures in the testes where spermatogenesis occurs with support from Sertoli cells

Septula

Thin connective tissue that divides the testis into smaller compartments called lobules

Lobulex

Compartments in the testes that

contain seminiferous tUbules for sperm production

Estrogen

Produces I’m small amounts from testosterone helps regulate libelous and supports sperm maturation

Progesterone

Present in very small amounts; may aid in

sperm development and modulate

testosterone effects.

FSH

Stimulates Sertoli cells in seminiferous

tubules to support spermatogenesis.

LH

Stimulates Leydig cells in testes to produce

testosterone.

Testosterone

Main male sex hormone; drives

spermatogenesis, develops secondary sex

traits, maintains libido, and supports

muscle/bone growth.

Tall elephants visit small pretty beaches

Testes epididmis vas deferens seminal vesicles prostate bulbourethral glands

What is the correct pathway of sperm

through the male reproductive tract?”

Seminiferous tubules → Rete testis → Epididymis

→ Vas deferens → Ejaculatory duct → Urethra → Penis.