Identify, define and break into word parts 10 medical terms associated with the reproductive system.

1. Myometrium
Myo/ - means muscle
metri/um - refers to the womb (Greek word 'metra')

The myometrium is the middle layer of the wall. It consists mainly of smooth muscle cells, which are referred to as myocytes. 

2. Endometrium
Endo/ - inner or within
metri/um - refers to the womb

The endometrium is the innermost layer of the uterus/womb. It is a mucous membrane lining that thickens during the menstrual cycle. 

3. Gynecology
Gynec/o - pertains to women or female
-logy - Study of

Gynecology is a branch of medicine that deals with the function and disease of the female reproductive system. 

4. Salpingectomy
Salping/o - refers to the fallopian tubes
-ectomy - surgical removal

Salpingectomy is the surgical removal of the fallopian tube. It can be unilateral (meaning one tube) or bilateral (meaning both tubes). 

5. Oophorectomy
Oophor(o) - refers to the ovary
-ectomy - surgical removal

Oophorectomy is the surgical removal of the ovary. It can be unilateral or bilateral as well. 

6. Orchiditis
Orchid(o) - testes
-itis - inflammation

Orchiditis is the inflammation of the testes. Usually caused by infections like urinary infections and sexually transmitted infections.

7. Balanitis
Balan(o) - Head of the penis
-itis - means inflammation

It is the inflammation of the head of the penis or the foreskin. Usually occurs in men who are not circumcised. (common in men who are middle-aged or older.)

8. Dysmenorrhea
Dys/ - denotes pain or difficulty
men/o - refers to menstruation
/rrhea - refers to flow or discharge

Dysmenorrhea is defined as painful menstruation. There are two types, which are primary and secondary dysmenorrhea. 

9. Mastectomy
Mast/o/ - refers to the breast
-ectomy - surgical removal

Mastectomy is the surgical removal of breast tissue. It can be unilateral or bilateral. 

10. Dyspareunia
Dys - denotes painful or difficult
-pareunia - refers to intercourse

Dyspareunia is defined as persistent and/or recurring pain before, during, and/or after intercourse.