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Sectional Anatomy- Ch 7 Pelvis
Terms in this set (93)
The _____ connects with the iliac bones to form the posterior wall of the bony pelvis
Below the sacrum, the _____ extends downward to become the lowest part of the posterior bony pelvis
3. 2 os coxae
The bony pelvis is formed by:
The os coxae is also called _______.
The sacrum is formed by the fusion of ___ vertebral segments
The 1st sacral segment has a prominent ridge on the anterior surface called the ________.
The bony landmark separating the abdominal cavity from the pelvic cavity is called?
The lateral mass (ala) of the sacrum is formed by the ________ of 5 sacral segments
The lateral mass contains the sacral foramina that allows for passage of the _____ nerves.
The lateral mass of sacrum articulates with os coxae at the ______ joint.
The coccyx is formed by the fusion of ____ body segments
The os coxae is made up of 3 bones:
The ____ is the largest and most superior portion of the os coxae.
The ____ of the ilium creates the upper portion of the acetabulum
The ____ forms the lower anterior portion of the acetabulum
body, superior, inferior
The pubis consists of a ____ and ____ & ____ pubic rami.
Bodies of the pubis meet at the midline to form the ________.
The pubis symphysis is an _______ joint.
The lower, most inferior, posterior part of the pelvic girdle is the _____.
The ischium is composed of a ____ and ____ rami.
The ischium possesses an enlarged roughened area, called ________, which is the bony structure on which the body rests when seated.
The________ projects from the superior ischial ramus.
grater and lesser sciatic notches
The _______ and ______ ______ ______ of the ischium are spanned by ligaments that create foramina for the passage of nerves and vessels
Union of pubic rami and ischium surrounds a large opening called the _________.
The opening within the pelvis is often separated into greater and lesser segments, sometimes called the ____ and ____ pelves.
The _____ is an oblique plane extending from the upper anterior margin of the sacrum to the upper margin of the pubic symphysis.
The region above the brim is the ____ pelvis
The region below the brim is the ____ pelvis
superior aperture, inlet
The _______ or inlet of the true pelvis is measured in the anteroposterior direction from the sacral promontory to the superior margin or crest of the pubic bone.
The ____ is the upper part of the pelvic girdle
The ____ forms the anterior rim of the bony pelvis
The ____ is the lower part of the pelvic girdle
1. proximal extremity
3. distal extremity
The femur is subdivided into 3 parts:
The round head of the femur articulates with the _____ of the pelvic girdle
The ______ extends upward on the lateral femur
The ______ extends medially from the proximal femur
The _______ is a ridge of bone between the greater and lesser trochanters on the posterior side.
The angle between the shaft and neck of femur averages ______degrees
The _______ is a roughened area on the shaft of the femur
external and internal iliac
Within the pelvis, the common iliac divides into the _____ and _____ ______ arteries.
The _____ iliac artery exits the anterior pelvis above the pubic bone and gives rise to the femoral artery.
The _____ iliac artery branches several times to supply structures within the pelvis.
Two branches of the internal iliac artery exit through the posterior pelvis to give rise to the _____ arteries.
sigmoid colon, S3
The ________ descends into the pelvis and joins the rectum in front of ____.
The _______ is formed by a group of broad flat muscles, which arch downward and supports the pelvic viscera
The ______ muscles originate from the inner iliac crest, they join with the psoas muscles before inserting into the lesser trochanters of the femurs.
Iliacus muscle acts to _____ the thighs
1. extra pelvis
2. pelvic wall
3. pelvic diaphragm
The 3 major pelvic muscles are:
1. rectus abdominis
2. psoas muscle
3. internal and external oblique muscles
Most muscles visualized in the pelvis are abdominal, such as: (EXTRA PELVIS)
The ____ muscle flex the thigh or trunk
The _____ muscle flex the lumbar vertebrae and support the abdomen
external & internal oblique
The ___________ muscle work together to flex and rotate the vertebral column and compress abdominal viscera
1. piriformis muscle
2. obturator internus muscle
3. obturator externus muscle
4. iliacus muscle
Pelvic wall muscles include:
The _______ muscle is a strong muscle that aids in the adduction and rotation of the thigh
The ______ muscle is triangle shaped, it joins the psoas muscle to form the iliopsoas muscle which is the most important muscle for flexing the leg which makes walking possible.
The _________ is a fan shaped layer of muscles and fascia that form the greatest majority of the pelvic floor.
1. levator ani
The major primary muscles of the pelvic diaphragm are:
The_______ muscle is the largest and most important, this group of muscle fibers are responsible for controlling defecation.
The ______ muscle forms the posterolateral portions of the pelvic diaphragm and provide support for pelvic contents.
The male bladder is found between the _____ and the ____.
The _____ is found just below the bladder and the seminal vesicles.
The male urethra is approx. _____ cm through the prostate, pelvic diaphragm, and penis.
bladder, pelvic diaphragm
The prostate is between the _____ and the _____.
During ejaculation, the prostate secretes an _____ fluid into the prostatic urethra that contributes to sperm motility.
The _______ is the largest accessory gland of the male reproductive system.
glandular & fibromuscular, fibrous
The prostate is made up of ______& ______ tissue and it is surrounded by a ______ capsule.
The _______ is a point where ejaculatory ducts enter the urethra.
Cancer of the prostate gland is the ______ most common type of cancer in men.
The _________ are glands located above the prostate on either side of the ductus deferens. Within the prostate these glands join the ductus deferens and during ejaculation they secrete an alkaline fluid.
The ______ consists of a network of collagen fibers and spaces that become enlarged when filled with blood, contributing to erection.
The ________ consists mostly of a dense venous plexus and contributes to an erection. It contains the urethra in the posterior part of the penis.
The ________ are bilateral structures consisting of the ductus deferens surrounded by thin layer of connective tissue and muscle that connect the testis with the anterior abdominal wall.
In females the bladder is found behind the _____ and in front of the ______.
The female urethra is situated below the bladder and it is approx. _____ cm long.
The principle organs of the female reproductive system include the:
The uterus is located between the _____ and _____.
The uterus has 3 parts:
The walls of the uterus is composed of 3 layers:
The ______ is a depressed area between the uterus and rectum, it forms the lowest part of the abdominal cavity in the upright and supine positions.
Pear shaped muscular organ, located in the anterior portion of the pelvic cavity between the bladder and the rectum.
The _____ ligaments extend laterally from the uterine cornu to the inner inguinal ring.
The _______ ligaments extend from the lateral walls of the cervix to the anterior surface of the sacrum.
lateral cervical (cardinal)
The _______ ligaments extend like a fan from the lateral walls of the cervix & vagina & anchor into the fascia of the wall of the lesser pelvis.
The _____ is an 8-10 cm muscular tube extending aterioinferiorly from the cervix of the uterus to the external vaginal orifice.
viginal vault or fornix
The ______ or _____ is the upper vaginal area that surrounds the cervix like a ring.
bladder and rectum
The vagina is found between the _____ and _____.
On either side of the uterus, a ________ extends toward the lateral pelvis. The peritoneum drapes over smaller structures, forming the anterior and posterior layers that attach and support the pelvic organs
The ______, is also called uterine tube, it is found in the upper margin of the broad ligament, connects the ovaries to the uterus. They transport the ova produced by the ovaries to the uterus.
The ____ is found in the posterior broad ligament and produce ova as well as hormones.
The nodal groups that correspond to pelvic vessels are:
1. lateral common iliac
2.median common iliac
The common iliac nodes form 2 groups:
The _____ common iliac group receives lymph from the lower limb and pelvis.
The _____ common iliac group receives lymph directly from the pelvic viscera.
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