testes

Sperm-producing organs

Testes is the plural of testis, the male reproductive glands that produce sperm and testosterone.

The word is the standard medical and scientific term: The testes descend into the scrotum before birth.

In casual speech, testicles or balls is more common.

anatomy

scrotum

Pouch containing male gonads

spermatic · cord · tunica · vas · deferens · mediastinum · lobules · septa · inguinal

spermatogenesis

sperm

Male reproductive cell

haploid · gametes · flagellum · motility · maturation

hormonal

androgen

Male sex hormone

LH · secretion · pituitary · hypothalamus · puberty · inhibin · feedback · regulation · aromatase

reproductive

fertilization

Gamete fusion creating zygote

fertility · potency · virility · offspring · fecundity · insemination · reproductive · breeding · propagation

medical

hydrocele

Fluid around testis causing swelling

cancer · biopsy · ultrasound · andrology · infertility · atrophy · prosthesis · examination · self-exam · teratoma

Categories
Opposites
reproductive organs by sex

testesovaries

Egg-producing organs

ovary · uterus · womb · fallopian tubes

Phrases
Family

testicle, testicles, testosterone, testis, testicular

Familiarity
Top 500,000
Profile
Used worldwide · Timeless · Concrete · Everyday, not technical · Rated PG