Podcast
Questions and Answers
Which of the following best describes the anatomical boundary formed by the tip of the coccyx and the intergluteal cleft?
Which of the following best describes the anatomical boundary formed by the tip of the coccyx and the intergluteal cleft?
- Lateral border of the perineum
- Inferior border of the perineum (correct)
- Superior border of the pelvic diaphragm
- Anterior border of the perineum
A clinician is evaluating a patient with suspected pelvic floor dysfunction. Which muscle group is MOST directly involved in supporting the pelvic organs and resisting increases in intra-abdominal pressure?
A clinician is evaluating a patient with suspected pelvic floor dysfunction. Which muscle group is MOST directly involved in supporting the pelvic organs and resisting increases in intra-abdominal pressure?
- Deep transverse perineal muscle
- Levator ani muscle group (correct)
- Internal obturator muscle
- Superficial transverse perineal muscle
The bulbospongiosus muscle contributes to clitoral erection in females and ejaculation/penile erection in males.
The bulbospongiosus muscle contributes to clitoral erection in females and ejaculation/penile erection in males.
True (A)
The ______ is a fibromuscular mass located in the midline of the perineum at the junction of the urogenital and anal triangles and serves as an attachment for perineal muscles.
The ______ is a fibromuscular mass located in the midline of the perineum at the junction of the urogenital and anal triangles and serves as an attachment for perineal muscles.
Match the pelvic structure with its location:
Match the pelvic structure with its location:
During a difficult vaginal delivery, an obstetrician performs an episiotomy. If the incision extends posterolaterally from the vaginal opening, which muscle is MOST likely to be directly injured?
During a difficult vaginal delivery, an obstetrician performs an episiotomy. If the incision extends posterolaterally from the vaginal opening, which muscle is MOST likely to be directly injured?
Identify the MOST accurate sequence of structures through which sperm pass from the testes to the external urethral meatus.
Identify the MOST accurate sequence of structures through which sperm pass from the testes to the external urethral meatus.
The rectouterine pouch (of Douglas) is the lowest point in the female peritoneal cavity and a common site for fluid accumulation.
The rectouterine pouch (of Douglas) is the lowest point in the female peritoneal cavity and a common site for fluid accumulation.
Describe the clinical significance of the angle of inclination of the pelvis and how it is determined.
Describe the clinical significance of the angle of inclination of the pelvis and how it is determined.
The ______ muscle is unique because it is composed of puborectalis, pubococcygeus and iliococcygeus.
The ______ muscle is unique because it is composed of puborectalis, pubococcygeus and iliococcygeus.
A male patient presents with a varicocele (enlargement of the veins within the spermatic cord). Which venous structure is MOST likely affected?
A male patient presents with a varicocele (enlargement of the veins within the spermatic cord). Which venous structure is MOST likely affected?
The male and female embryos are morphologically distinct from the beginning of their development.
The male and female embryos are morphologically distinct from the beginning of their development.
Describe the course of the round ligament of the uterus, and identify its homologue in the male anatomy.
Describe the course of the round ligament of the uterus, and identify its homologue in the male anatomy.
The ______ diameter of the pelvic inlet has a typical measurement of 13 cm .
The ______ diameter of the pelvic inlet has a typical measurement of 13 cm .
Match the following structures with the correct description.
Match the following structures with the correct description.
During a pelvic examination, a physician palpates the ischial spines. What is the primary clinical significance of these bony landmarks?
During a pelvic examination, a physician palpates the ischial spines. What is the primary clinical significance of these bony landmarks?
In females, the ilioinguinal nerve passes through the inguinal canal along with the round ligament of the uterus
In females, the ilioinguinal nerve passes through the inguinal canal along with the round ligament of the uterus
Describe the three layers of the uterine wall and their respective functions.
Describe the three layers of the uterine wall and their respective functions.
The ______ is the suspensory structure that attaches the ovary to the lateral pelvic wall.
The ______ is the suspensory structure that attaches the ovary to the lateral pelvic wall.
Match the following structures found in the inguinal canal:
Match the following structures found in the inguinal canal:
Damage to the iliococcygeus portion of the levator ani muscle is MOST likely to result in
Damage to the iliococcygeus portion of the levator ani muscle is MOST likely to result in
The Perineal Body is located at the border of the anterior surface of the anus.
The Perineal Body is located at the border of the anterior surface of the anus.
What are the borders of the perineum as defined by anatomical landmarks?
What are the borders of the perineum as defined by anatomical landmarks?
The Transverse diameter that exists in the Pelvic Outlet has a measurement of ______ cms.
The Transverse diameter that exists in the Pelvic Outlet has a measurement of ______ cms.
Match the description to the anatomical location being described.
Match the description to the anatomical location being described.
What is the relationship between the angle of inclination and the tip of the coccyx?
What is the relationship between the angle of inclination and the tip of the coccyx?
The sacrum and the Coccyx are both considered to be part of the Coxal Bone.
The sacrum and the Coccyx are both considered to be part of the Coxal Bone.
What are two other terms for the Pelvic Inlet?
What are two other terms for the Pelvic Inlet?
The Levator Ani consists of three parts. Name two of these three parts (Puborectalis, Pubococcygeus, and ______ .
The Levator Ani consists of three parts. Name two of these three parts (Puborectalis, Pubococcygeus, and ______ .
Match the definition to the anatomical location.
Match the definition to the anatomical location.
Which components are located in the male reproductive tract?
Which components are located in the male reproductive tract?
Sperm travels through the urethra.
Sperm travels through the urethra.
What are common female reproductive organs that can be readily defined in a female laparoscopic procedure?
What are common female reproductive organs that can be readily defined in a female laparoscopic procedure?
For embryology, the reference can be derived from Langman's medical embryology by T.W. Sadler and ______ Essential of Human Embryology
For embryology, the reference can be derived from Langman's medical embryology by T.W. Sadler and ______ Essential of Human Embryology
Flashcards
Bony Pelvis
Bony Pelvis
The bony structure formed by the ilium, ischium, pubis, sacrum and coccyx.
Angle of inclination
Angle of inclination
Angle between the sacral promontory/upper pubic symphysis margin and a vertical plane, typically 50-60 degrees.
Pelvic Inlet
Pelvic Inlet
The opening into the true pelvis, delineated by the sacral promontory, arcuate line, and pubic symphysis.
Pelvic outlet
Pelvic outlet
Signup and view all the flashcards
Greater Pelvis
Greater Pelvis
Signup and view all the flashcards
Lesser Pelvis
Lesser Pelvis
Signup and view all the flashcards
Pelvic Diaphragm
Pelvic Diaphragm
Signup and view all the flashcards
Perineum
Perineum
Signup and view all the flashcards
Perineal Body
Perineal Body
Signup and view all the flashcards
Perineal muscles
Perineal muscles
Signup and view all the flashcards
Early Embryonic Development
Early Embryonic Development
Signup and view all the flashcards
Spermatic Cord
Spermatic Cord
Signup and view all the flashcards
Layers of Spermatic fascia
Layers of Spermatic fascia
Signup and view all the flashcards
Arteries of the spermatic cord
Arteries of the spermatic cord
Signup and view all the flashcards
Veins of the Spermatic Cord
Veins of the Spermatic Cord
Signup and view all the flashcards
Nerves of spermatic cord
Nerves of spermatic cord
Signup and view all the flashcards
Rectovesical pouch
Rectovesical pouch
Signup and view all the flashcards
Male Reproductive Tract
Male Reproductive Tract
Signup and view all the flashcards
Seminal Vesicles
Seminal Vesicles
Signup and view all the flashcards
Female Reproductive Tract
Female Reproductive Tract
Signup and view all the flashcards
Myometrium
Myometrium
Signup and view all the flashcards
Endometrium
Endometrium
Signup and view all the flashcards
Study Notes
- Pelvic and Reproductive Anatomy
Learning Objectives
- Outline bony pelvis
- Describe pelvic diaphragm and perineum
- Overview male and female reproductive tracts
- An@tomedia anatomy software with cadaveric and radiology images is available at King's Library
- Acland's videos resources are available
Bony Pelvis
- Consists of the ilium, ischium, pubis, sacrum and coccyx
- Coxal bone includes the ilium, ischium and the pubis
- Key joints include lumbosacral, sacroiliac, pubic symphysis and sacrococcygeus
- Sacral promontory and the upper margin of pubic symphysis creates an angle of inclination of 50-60 degrees
- Tip of the coccyx and the lower margin of pubic symphysis creates an angle of inclination of 10 to 15 degrees
- The pelvic inlet is the superior pelvic aperture/pelvic brim
- The pelvic outlet is outlined
False vs True Pelvis
,- Greater (false) pelvis is located above the pelvic brim and contains the abdominal cavity
- Lesser (true) pelvis is located below the pelvic brim
Male vs Female Pelvis
- Male pelvis is different to the female pelvis
Pelvic Diameters
- The ideal obstetric pelvic inlet transverse diameter is 13cm and the AP diameter is 12cm
- The ideal obstetric pelvic outlet transverse diameter is 11cm and the AP diameter is 12.5cm
Pelvic Diaphragm
- Levator ani is composed of puborectalis, pubococcygeus and iliococcygeous
- The other muscle in the pelvic diaphragm is the coccygeus
Perineum
- In females, the perineum includes the intergluteal cleft
- Anatomical borders include anterior, lateral and inferior
- Surface borders include anterior, lateral and inferior
- Perineal muscles include perineal body, ischiocavernosus, bulbospongiosus and transverse perineal muscles
Embryology
- Embryos appear morphologically identical up to the beginning of the 7th week
- Descent occurs
Male Inguinal Canal
- Consists of the deep inguinal ring and superficial inguinal ring
Inguinal Canal Contents
- 3 fascia - external spermatic fascia, cremasteric fascia, internal spermatic fascia
- 3 arteries - testicular, cremasteric, deferential artery
- 3 veins - pampiniform plexus and testicular vein, cremasteric vein, deferential vein
- 3 nerves - genital branch of the genitofemoral nerve, ilioinguinal and autonomic nerves
- Lymphatics are present
- In females the inguinal canal contents consist of the round ligament of uterus, genital branch of the genitofemoral nerve and ilioinguinal nerve
Male Reproductive Tract
- Consists of the penis, scrotum, testis, prostate, seminal vesicles, bulbourethral gland, ejaculatory duct and urethra
Female Reproductive Tract
- Consists of the uterus, cervix, vagina, uterine tubes, ovaries, vestibule, labia majora, labia minora and clitoris
- Layers of the uterus are the perimetrium, myometrium and endometrium
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.