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Anatomy of female reproductive system. Zhao Aimin. Bony pelvis. Sacrum( 骶骨) Coccyx( 尾骨) Coxae( 髋骨) Ilium( 髂骨) Ischium( 坐骨) Pubis( 耻骨 ). Pelvis . Falase pelvis (major). True pelvis (minor). Sacrum and coccyx posteriorly Ischium and pubis bilaterally and anteriorly.

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bony pelvis
Bony pelvis

Sacrum(骶骨)

Coccyx(尾骨)

Coxae(髋骨)

  • Ilium(髂骨)
  • Ischium(坐骨)
  • Pubis(耻骨)
slide3

Pelvis

Falase pelvis

(major)

True pelvis

(minor)

Sacrum and coccyx

posteriorly

Ischium and pubis

bilaterally

and anteriorly

To surport the pregnancy

Bounded by lumbar

vertebrae posteriorly,

iliac fossa bilaterally

abdominal wall anteriorly

the pelvis plane
The pelvis plane

Four planes

  • The pelvic inlet: the greatest
  • The midplane:the least
  • The pelvic outlet(two planes)
pelvic inlet
Pelvic inlet
  • Posteriorly by promontory of sacrum
  • Bilaterally by linea of iliac-pubis
  • Anteriorly by superior surface of pubis
midplane
midplane
  • Anteriorly by the lower border of pubis
  • Bilaterally by ischial spines

is very important clinically

because arrest of fetal descent occurs most frequently

outlet
outlet

Irregular

Consisting of two triangles

It is bounded by

  • Posteriorly: the tip of sacrum
  • Laterally : ischial tuberosities

sacrotuberous ligaments

  • Anteriorly:the lower border of pubis symphysis
type of female pelvis
Type of female pelvis
  • Gyecoid type

52-58.9%

  • Platypelloid type

23.2-29%

  • Anthropoid type

14.2-18%

  • Android type

1-3.7%

external genital organs
External genital organs
  • mons pubis: fatty tissue
  • labia majora
  • labia minora which lie inside the labia majora
  • clitoris: is located anterior to the labia minora
vestibule
Vestibule(前庭)
  • Lies between the labia minora
  • Is bounded

Anteriorly by clitoris

Posteriorly by perineum

  • Urethra and vaginal orifice open to the midline of the vestibule
  • Bartholin’s glands also empty into the vestibule
internal genital organs
Internal genital organs

Vagina(阴道)

  • an organ for coitus
  • a drainage of menstrual flow
  • a passage for childbirth
  • posterior wall 10cm,anterior wall 7.5cm
slide12
Fornix :the area arounded the cervix

(anterior,posterior,lateral)

  • the posterior fornix is important pouch which allows access to the peritoneal cavity from vagina
slide13
The vagial wall is consisted of

Mucouse membrance: is lined by squamous

  • Beneath this is a submucosal layer of connective tissue which contains a rich of veins and lymphatics
  • The muscular wall has three layers of smooth muscle.
uterus
Uterus(子宫)
  • Lies between rectum and bladder
  • Volume: 7*5*3cm
  • Weight: 50g
  • Divided into two portions by isthmus

The body

  • Cornu:where the fallopians enter
  • Fundus:the part of the body above the cornu
the uterus is surported by the following ligaments
The uterus is surported by the following ligaments
  • Round ligament
  • Broad ligament
  • Cardinal ligament
  • Utero-sacral ligament
histology of uterus
Histology of uterus
  • There are three layers of the body
  • The inner is endometrium which is consisted of the simple columnar epithelium
  • Beneath the mucosa is the muscular layer,covered by peritoneal serosa
fallopian tubes
Fallopian tubes

Length: 8-14cm

The tube is divided four portions

  • Interstitial:
  • isthmun
  • Ampulla:the centre portion
  • Infundibulum:surround the ovary and help to collect the oocyte at the time of ovulation
slide19
The innner layer is covered by ciliate columnar epitheliun

The cilia beat toward the uterus assisting in oocyte transport

ovaries
ovaries
  • Be located on either side of the uterus
  • Volume:4*3*1cm
  • Weight:5-6g
  • be almond-shaped
  • Is divided two portion:

cortex(outer portion): contains amount of

follicles

medulla(central portion): blood vessels,

nerve fibres,

lymphatics

arterial system
Arterial system
  • Ovarian artery:from abdominal aorta (left may be from kedney artery
  • Uterine artery
  • Vaginal artery
  • Internal pudendal arteryfrom internal iliac artery
arterial system1
Arterial system
  • Ovarian arteries: from abdominal aorta
  • (left may be from kedney

artery

  • Uterine