Cremaster muscle

Cremaster muscle
Cremaster muscle
	The cremaster muscle appears as a thin layer just superficial to the tunica vaginalis
Details
Origin	Internal oblique
Insertion	Tunica vaginalis
Artery	Cremasteric artery
Nerve	Genital branch of genitofemoral nerve
Actions	Raise and lower the scrotum
Identifiers
Latin	musculus cremaster
TA98	A04.5.01.018M; A09.3.04.003
TA2	2374, 3617
FMA	21531
	Anatomical terms of muscle

The cremaster muscle is a paired structure made of thin layers of striated and smooth muscle that covers the testicles and the spermatic cords in human males. It consists of the lateral and medial parts. Cremaster is an involuntary muscle, responsible for the cremasteric reflex; a protective and physiologic superficial reflex of the testicles. The reflex raises and lowers the testicles in order to keep them protected. Along with the dartos muscle of the scrotum, it regulates testicular temperature, thus aiding the process of spermatogenesis.^[1]

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