Pelvis and Perineum - Osteology & Jts

what does the pelvic region include?

pelvic cavity and perineum

what two bony structures of the innominate bone form the pelvic inlet and are attachment sites for the iliopsoas?

arcuate and pectinal lines

defines the upper border of the true pelvis

pelvic inlet

defined by a line connecting the ______, ________ ligaments, ischial __________, ischiopubic rami, and inferior border of the _____ _________

coccyx, sacrotuberous, tuberosities, pubic symphysis

which of the following describes the true pelvis?

1. lies below the pelvic brim

2. bounded inferiorly by muscular pelvic floor

which of the following does the peritoneum drape over in the pelvic area?

1. bladder

2. uterus

3. rectum

4. pelvic walls

this structure is the lowest point in the male peritoneal cavity

retrovescial pouch

what is the lowest point in the femal peritoneal cavity?

rectouterine pouch

where is the retropubic space (prevescical) located?

between pubic symphysis and bladder

this structure double layered structure descends from the rectovesical/rectouterine pouch to the peritoneum

peritoneal septum

this structure separates the rectum from the seminal glands and prostate

retrovesical septum

the lowest part of the retrovesical septum is referred to as

rectoprostatic fascia

the parietal pelvic fascia is continous with what two other fascias?

transversalis and psoas

what ligaments are an extension of the tendinous arch that support the bladder and prostate?

pubovesical and puboporstatic

what are paracolpium?

lateal connections between the visceral fascia and the tendinous arches

what is the function of the paracolpium?

suspends and supports the vagina

ligaments that connect the pelvic walls to the rectum

lateral ligaments of the rectum

what is the cardinal ligament?

supports pelvic visceral and their vascular and nerve plexuses

this triangular region contains the anal opening and anal canal surrounded by the exteranl sphincter

anal triangle

which of the following are contents of the DEEP POUCH of the urogenital triangle?

1. external urethral sphincter

2. compressor urethrae, urethrovaginal sphincter, and smooth muscle for females

3. membranous urethra, transverse perineal muscle, and bulbourethral glands for males

4. anterior recess of ischioanal fat pads

5. internal pudendal A & V

6. pudendal nerve

T/F: the pubic symphysis is a immobile cartilaginous jt with a fibrocartilaginous disc

true

the area between the abdomen and the lower limb is called

pelvic region

what bones make up the bony pelvis?

sacrum, coccyx, coxal bones (innominate)

what are the 4 functions of the pelvic girdle?

1. encloses pelvic cavity

2. protects pelvic viscera

3. stabilizes the back

4. provides an attachment site for lower limbs

what part of the sacrum attaches to the ilium?

auricular surface

what is the pelvic brim?

the upper edge of the pelvis at the plane of the pelvic inlet

the pelvic inlet is defined by a line that extends from the _________ of the sacrum, along the _______ line of the ilium and ______ line of the pubic bone, to the superior border of the _______ __________

promontory, arcuate, pectinal, pubic symphysis

defines the lower border of the true pelvis

pelvic outlet

which of the following applies to the false pelvis?

1. lower part of the abdominal cavity

2. lies above the pelvic inlet

3. bounded by the iliac fossa

which of the following are found in the false pelvis?

1. ileum

2. cecum

3. sigmoid colon

4. common iliac A & Vs

5. appendix

6. lumbar plexus

which of the following structures are located within the true pelvis?

1. ureters and bladder

2. rectum

3. vagina and ovaries

4. uterus and uterine tubes

5. prostate

6. ducti deferens and seminal glands

7. internal iliac A & V

8. sacral plexus

9. inferior hypogastric plexus

T/F: the periotneum of the abdominal cavity is not continous with the pelvic cavity

false

T/F: the peritoneum does reach the pelvic floor

false

what structures below the peritoneum occupies a subperitoneal space that is continous with the retroperitoneum of the abdomen?

deep pelvic viscera

what are peritoneal recesses?

spaces within the intraperitoneal spaces that are continous with the peritoneal cavity of the abdomen and lined by visceral peritoneum

where is the retrovesical pouch?

between the bladder and rectum

where is the vesicouterine pouch located?

between bladder and uterus

what are subperitoneal recesses?

extraperitoneal spaces that are continous with the retroperitoneum of he abdomen

what are subperitoneal recesses filled with?

endopelvic fascia

where is the rectorectal space (presacral space) located?

between sacrum and rectum

what is the rectovaginal septum?

separates the rectum from the vagina

what is the membranous fascia?

thin layer that adheres to the pelvic walls and viscera

what is the visceral pelvic fascia?

surrounds individual organs, lies between visceral peritoneum and organ wall

what is parietal pelvic fascia?

lines the inner surface of the muscles of the pelvic floor and wall

where do the pelvic viscera pierve the pelvic diaphragm and the parietal and visceral layers merge?

tendinous arch of pelvic fascia

the tendinous arch runs from the _____ to the ______

pubis to sacrum

which of the following applies to the endopelvic fascia?

1. forms a loos connective tissue matrix

2. sills the subperitoneal space between visceral and parietal layers of membranous fascia

3. pads the subperitoneal spaces

4. allows for distension of the pelvic viscera

ligaments that connect the bladder to the pelvic wall

lateral ligaments of the bladder

which of the follows describes the perineum of the pelvic area?

1. lies inferior to the pelvic cavity

2. perimeter formed by the pelvic outlet

3. pelvic diaphragm is the roof

4. perinanal skin is the floor

5. obturator internus and obturator fascia make up the lateral border

this triangular region contains the external genitalia and openings of the urethra and vagina

urogenital triangle

what shapes are the urogenital and anal triangles?

diamond

for the urogenital triangle (deep pouch): the pelvic diaphragm makes the _______ part, perineal membrane makes the _________ part, obturator fascia makes the _______ part, and the ischioanal fascia makes the ________ part

superior, inferior, lateral, posterior

for the urogenital triangle (superifial pouch): the perineal membrane makes the _______ part, the superficial perineal fascia makes the _______ part, and the ischiopubic rami makes the ______ part

superior, inferior, lateral

which of the following are contents of the SUPERFICIAL pouch of the urogenital triangle?

1. ischiocavernous muscle

2. bulbospongiosus mucle

3. superficial transverse perineal muscles

4. spongey urethra (males)

5. biltoris and root of penis

6. bulbs of vestibule and greater vestibule glands

7. internal pudendal A & V

8. pudendal nerve

Still learning (21)

You've started learning these terms. Keep it up!