First Aid for the OB/GYN Clerkship- Reproductive anatomy
Terms in this set (...)
The major blood supply to the pelvis is from what?
internal iliac artery (hypogastric artery) and its branches
lymphatic drainage from the pelvis is what?
inguinal, pelvic, or para-aortic lymph nodes
major parasympathetic innervation to the pelvis is via what?
S2, S3, S4
pudendal nerve is formed from which spinal roots?
S2, S3, S4
the major sympathetic innervation of the pelvis is via what?
the aortic plexus, which gives rise to the internal iliac plexus
bartholin glands are located where?
4:00 and 8:00 of the vaginal orifice
bartholin glands are homologous to what?
bulbourethral glands in males
ducts of the skene's glands are located where?
on either side of the urethral orifice
blood supply of the vulva?
from branches of the external and internal pudendal arteries, which are subdivisions of the hypogastric artery (internal iliac)
lymphatic drainage of the vulva?
medial group of superficial inguinal nodes
nerve supply of the vulva?
pudendal branches: 1. anterior parts of vulva: ilioinguinal nerves and the genital branch of the genitofemoral nerves 2. posterior parts: perineal nerves and posterior cutaneous nerves of the thigh
what is the blood supply to the vagina?
hypogastric artery (anastomotic network): 1. vaginal branch of the uterine artery is the primary supply to the vagina 2. middle rectal and inferior vaginal branches of the hypogastric artery (IIA) are secondary blood supplies 3. anastomoses with cervical arteries
what is the sympathetic innervation to the vagina?
what is the parasympathetic innervation of the vagina?
what are the 5 subdivisions of the cervix?
1. Portio vaginalis 2. External os 3. ectocervix 4. endocervical canal 5. internal os
what is the portio vaginalis?
portion of the cervix projecting in to the vagina
what is the external os?
lowermost opening of the cervix into the vagina
what is the ectocervix?
portion of the cervix exterior to the external os
what is the endocervical canal?
passageway between the external os and the uterine cavity
what is the internal os?
uppermost opening of the cervix into the uterine cavity
what portion of the cervix must be completely excised to ensure proper treatment of CIN-II?
stratified nonkeratinized squamous epithelium covers what part of the cervix?
columnar epithelium lines what part of the cervix?
what is the transformation zone?
the area of metaplasia where columnar epithelium changes to squamous epithelium
what percent of lower genital tract neoplasias arise from the transformation zone?
what is the blood supply to the cervix?
cervical and vaginal branch of the uterine artery, which arises from the internal iliac artery
what is the nerve supply to the cervix?
what are the 4 components of the uterus?
1. fundus 2. corpus 3. cornu 4. cervix
what is the fundus?
uppermost region of the uterus
what is the corpus?
body of the uterus
what is the cornu?
part of the uterus that connects to the fallopian tubes bilaterally
what is the cervix?
inferior part of the uterus that protrudes into the vagina