Male reproductive organ of nematode,

Male genital organ:

1. One or Two tubular testis

2. vas deference

3. Seminal vesicle

4. An ejaculatory duct

Accessory structure:  (important for identification of species):

1. spicule

2. Gubernaculum & Telamon

3. Copulatory bursa

Spicule:

• It is a sheath or a pair of sheath containing thickened, chitinoid structure which act as hold fast organ during copulation & for expansion of vagina. e.g. it has tactile function & attachment

Gubernaculum & telamon:

These are thickened chitinoid structure. when it is found on the dorsal wall of cloaca is called gubernaculums & when is found in the ventral wall of cloaca is called telamon. They guide the spicules.

Copulatory bursa:

In some nematodes (strongyloidea) the cuticle at the posterior end is expanded & curved to form the copulatory bursa. The wall of the bursa is supported by bursal rays.