Pelvis Flashcards
What’s the discount code for Brainscape Pro?
MCPHS91BS
The hip is what type of joint?
Ball and socket. For stability of hip.
The ball-and-socket joint of the hip has what purpose?
Stability
What are the two notches of the hip bone?
Greater Sciatic Notch, Lesser Sciatic Notch
What are the three bones of the hip bone?
Ilium, Ischium, Pubis
What is the name of the big foramen on the hip bone?
Obturator Foramen
The Obturator Foramen is on which two bones?
Pubis and Ischium of the hip bone
The Acetabulum articulates with which major bone?
Head of Femur
Where do the three hip bones all connect?
Acetabulum
The Acetabulum is where which three bones that attached and articulates with what other main bone?
Ilium, Ischium, Pubis. Head of Femur.
What bone do you sit on?
Ischial Tuberosity
What type of cartilidge does the Acetabulum have?
Hyalin cartilidge
Glut muscles attach on which two “lines” of the Ileum?
Anterior and Posterior Gluteal Lines
Which two bones make up the Greater Sciatic Notch?
Mostly ilium and some ischium
What three bones make up the Pelvic Girdle?
The two hip bones (right and left side) and the Sacrum.
What makes up the Sacrum?
5 fused vertebrae, s1-s5
Five fused vertebra make up what?
The Sacrum
How many fused vertebra make up the Sacrum?
Five
What is the name of the joint between the Sacrum and Hip Bone?
Sacroiliac Joint
What are the names of the “wings” of the hip bone/Illium?
ALA of Illium
What type of tissue and where is the Public Symphysis?
Fibrocartilidge. Between pubic bodies. Becomes loose during last trimester of preggers helping to enlarge opening for baby to crawl out
Which rami come out of the foramen on either side of the anterior sacrum?
Ventral Rami
The rami coming out of the foramen in the posterior sacrum are ventral or dorsal?
Dorsal rami
Describe the feel of the AIIS
Rough. Where the thigh muscles attach.
What is the name of the hole between ischium and pubis?
Obturator Foramen
What is the difference in shape of the Ischial Spine in men and women?
Male=sticks in (medially) toward pelvis. Women= points backwards (posterioraly)
If you’re looking at a medial view of the hip bone what major structure do you not see?
Acetabulum (where head of femur connects).
What is the angle of the Ischial Public Ramus in women?
90 degrees
What is the Sacral Hiatus? What runs through it?
Inferior opening of the Sacral Canal. Sacral nerves and Coccygeal nerves.
The Sacral Hiatus is an opening for what at end of sacrum?
opening for nerve fibers at end of sacrum s1-s5 and coccyx nerves.
The Sacral Hiatus is a good place to obtain what fluid sample?
CSF sample.
What is the angle in the male Ischial Public Ramus?
60 degrees
Describe the shape of the female pelvic inlet.
Female pelvis can be in varying shapes. Heart shape, oval shape, narrow shape
What is the name of the line around the Pelvic Inlet?
Arcuate Line
The pelvis allows for the transfer of weight to where?
Transfers weight through acetabulm to femur then down. Allows for good transfer of weight.
The Pelvic Inlet is from where to where?
Top of Pubis to Sacral Prominotory
The Pelvic Outlet is from where to where?
Coccyx to bottom of Pubis. Measured by OB/Gyns and compared to head of fetus to determine C-section or not.
What is a clinical application does the Pelvic Outlet have?
Measured by OB/Gyns and compared to head of fetus to determine C-section or not
The sacrospinous and sacrotuberous ligaments are where and do what?
Pelvis. Keeps guts from falling out of hip and stabilizes sacrum.
The Sacrospinous ligament is from where to where? Job?
Drom Sacrum to Ischial Spine. Stabilizes sacrum, keeps guts in.
The Inguinal Ligament is from where to where?
ASIS to PT
The Sacrospinous Ligament closes what notch?
Closes Greater Sciatic Notch
The Sacrotuberous Ligament closes what notch?
Closes Lesser Sciatic Notch
The Arucate Line separates what from what?
False Pelvis (above) and True Pelvis (below)
The Ischial Tuberousity has what sort of feel?
Very rough. For muscular attachment.
The Ischial Tuberousity is attachment for which muscles?
All muscles in posterior thigh
What closes the Obturator Foramen?
Obturator Membrane. Has small hole in top what allows VAN to pass thorugh
What Obturator Membrane closes what?
Obturator Foramen
What does the canal on the top of the Obturator Membrane allow to pass through?
Obturator vein, artery, and nerve to pass through.
All hip joint ligaments attach to what bone? (specifically hip joint ligment, not ligaments of the hip)
Femur and then something else (Publis, Ischium, or Ilium)
Which ligament attached the Ileum of the Hip to the Femur?
Iliofemoral Ligament
Which ligament attaches the Publis of the Hip to the Femur?
Pubofemoral Ligament
The Iliofemoral ligament and Pubofemoral ligament have what kind of “spot” in the middle? What does it allow and in what direction?
Weak spot which lacks a thick layer of connective tissue. Allow for things that dislocate anteriorally to break through.
Which ligament connects the Ischium and Femur?
Ischiofemoral ligament
The weak spot between the Iliofemoral ligament and Ischiofemoral ligament all what type of dislocation?
Posterior femoral dislocation, usually from a car crash that puts a lot on knees hitting dashboard driving femur out posteriorally
Where can you feel the Greater Trochanter?
Can feel at widest part of hip
Where do all three hip bones join to?
Acetabulum
What runs in the middle of the Ligament of the Head of Femur?
Artery that runs in middle and comes out (artery to head of femur). Carries blood to head of femur. Break can cause osteonecrosis.
Why is the Transverse Ligament of the Acetabulum called the “seatbelt ligament”?
seatbelt ligament to help lock femoral head into place in acetabulum
What kind of cartilige is on the head of the femur?
Hyalin cartilage
What attaches in the Fovea of the Femoral Head?
Ligament of the Femoral Head
What is a Fovea?
A small indentation where a ligament attaches
What makes the “floor” of the pelvis?
Levator Ani
What kind of muscle of the Levator Ani?
Skeletal muscle.
What action does contraction of the Levator Ani have?
When contracts elevates all internal organs of pelvis. skeletal muscle.
What type of muscle is the urinary bladder?
Smooth muscle
What type of fluid does the Prostate help make?
Makes Prostatic Fluid (component of Seminal Fluid)
What type of muscle is the Prostate?
Smooth muscle
What type of fluid does the Prostate primarily make?
Prostatic Fluid
Which lobe of the prostate becomes cancerous as age?
Posterior lobe most often becomes cancerous.
What is a medical condition of the Prostate which enlarges the prostate and makes urination difficult?
Benign Prostatic Hypertrophy (BPH). As grow older and prostate pushes on urethera making bladder push harder.
What kind of muscle is the External Anal Sphincter?
Skeletal muscle
The Bulbulourethal Gland does what?
Secrets mucous during arousal and sex
In men which gland secrets mucous during sex?
Bulbulourethal gland
What is the position of the Uterus?
Anteverted (forward leaning) and Anteflexed (forward flexed)
Where is the Levator Ani muscle and what does it connect?
Pubis to Coccyx. Under bladder. supports organs.
What type of muscle is the uterine cervix?
Smooth muscle
What is the Crus of Clitoris?
“Minipenis”. Two erectile bodies and central portion that forms tip. Elastic fibers that hold in place.
What holds the Crus of Clitoris in place?
Elastic fibers, UG diaphragm, ischiocavernosus muscle
Is the Ureter under or over the Overian Vein and Artery?
Under. “Water under the bridge.”
What are the two structures of the Ovarian Suspensory Ligament?
Ovarian Artery and Ovarian Vein.
What is the test for the Uterine Cervix?
Pap Smear as can develop hypertrophy and lead to cancer
Pap Smear tests what?
Uterine Cervix for hypertrophy and lead to cancer
The Labia Minora are the entry to what
Vestible and Urethera. Hairless, thin, not a lot of fat. majora are hairy, thick, and lots of fat.
The Vestible is entry to what?
Vagina
The Glans and Crus of the Clitoris fills with blood during what?
Fill with blood during sexual excitement
Broad Ligament AKA
Mesometrium
What does the Broad Ligament/Mesometrium cover?
Covers uterus
Uterine Tube aka
Fallopian Tube
What is the mesentery of the Fallopian Tube?
Mesosalpinx. Salpinx=trumpet.
Fornix is a like a mote around the? What test can be done on the posterior part?
Around the Cervix. Culdocentesis
The Ejaculatory Duct goes through what and out what?
Through Prostate then Prostatic Urethera, Membranous Urethera, then Penile Urethera
Ductus Deferens aka
Vas Deferens
What prevents ejaculate from getting into urine?
Internal Uretheral Sphincter. During ejaculation smooth muscle around neck of bladder to prevent semen from getting into urine and vice versa.
The Vas Deferens and Seminal Vesicle joint up where?
Ejaculatory Duct
The Epididymis is around what and becomes what?
Around testis, becomes Vas Deferens at bottom of testes
Which muscle is the strongest hip flexor?
Iliopsoas muscle
What is the job of the Illiacus muscle?
Flexes hip joint
Which rib is the 12 Thoracic Nerve (aka Subcostal Nerve) under and where does nerve go?
Under Rib 12 is 12th thoracic nerve aka Subcostal Nerve which. Travels between layers of muscle and goes to front below belly button.
Where is the 12 Thoracic Nerve aka Subcostal Nerve?
Under rib 12. under this rib is 12th thoracic nerve aka Subcostal Nerve which travels between layers of muscle and goes to front near belly button
What is the root of the Iliohypogastric Nerve, which region does it go to, what muscles does it innervate?
From L1. Goes to hypogastric region above pubis. Innervates abdominal muscles and branches off to cutaneous branches and ends above pubis
The Iliohypogastric Nerve is from which nerve root?
From L1
The Iliohypogastric Nerve enters the pubis through which muscle?
Through transversus abdominus muscle.
The Iliohypogastric Nerve becomes what branches by the pubis symphysis?
Cutaneous branches by pubic symphysis
Which nerves are from L1?
Iliohypogastric Nerve and Ilioinguinal Nerve
The Ilioinguinal Nerve goes through which canal?
Goes through inguinal canal
The Ilioinguinal Nerve supplies which region?
Inguinal region.
The Genitofemoral Nerve comes out of which muscle? How many branches and what do they innervate?
Comes out of Psoas Major. Innervates genitals and femoral regions as two branches. Under inguinal ligament to cutaneous thigh, also to genitals down spermatic cord.
The Genitalfemoral Nerve innervates what areas? How many branches?
Innervates genitals and femoral regions as two branches.
The Genitofemoral Nerve goes over or under the Inguinal Ligament?
Under inguinal ligament
The Genitofemoral Nerve travels down which cord?
Genitals down spermatic cord.
What are the two branches of the Genitofemoral Nerve?
Femoral Branch, Genital Branch
Describe the Lateral Femoral Cutaneous Nerve
Name is what and where. under inguinal ligament and cutaneous innervation on lateral anterior aspect of thigh
Which nerve provides cutaneous innervation on lateral anterior aspect of thigh?
Lateral Femoral Cutaneous Nerve
The Int Uretheral Muscle in men is what kind of muscle and prevents what?
int uretheral muscle in men is smooth muscle and only closes during climax in men to prevent retrograde ejaculation..
What makes up the Sacral Canal?
Fused laminas of the 5 sacral vertebra
The Sacralispinois Ligament goes where to where?
from sacrum to ischial spine.
The Sacraltuberous Ligament goes from where to where?
From Sacrum to Ischial Tuberosity
What gene on which chromosome guides development for male pathway by increasing testosterone and knocking out estrogen?
SRY gene on Y chromosome
The Genital Tubercle can become what sex-specific structures?
Genital Tubercle either becomes Glans Penis or Glans of Clitoris
The Labioscrotal swelling becomes one of two possible things
Labia or Scrotum
During embryological development which sex develop sex characteristics earlier?
females develop sex characteristics earlier in embryological development than males
Where is the Perineal Region?
Perineal=region between legs
The Perineal Raphe goes from where to where?
Anus to Scrotum or Labia Majora
The Perineum is very fatty and this helps with what?
Protection, flexibility during childbirth, flexibility of anus during pooping
What are the two triangles of the Perineal Region/Pelvic Outlet?
Urogenital Triangle and Anal Triangle
The line that separates the two Pelvic Outlet/Perineal Region triangles goes from where to where?
From Ischial Tuberosity to Ischial Tuberosity
Describe the look of the Labia Majora
Fat and hairy
Describe the look of the Labia Minora
Thin and hairless
Describe the area of the Mons Publis
Fatty area with fat and hairy labia majora
Describe the Lithotomy Position
Laying on back, butt at end of exam table, feet in stirrups, knees bent. allows proper gynecological exam.
The Bulbiospongiousus and Ischiocavernosus muscles do what during sexual excitement in women?
Swell with blood
Levator Ani aka
aka pelvic diaphragm aka pelvic floor
What does the Levator Ani (aka Pelvic Diaphragm) do?
Supports internal organs above it.
What attaches to the Urogenital Diaphgram?
Flat area for ext genitalia to attach to
What is the shape of the Levator Ani (aka Pelvic Diaphragm)?
Funnel shape
The Urogenital Triangle is like a what?
Like a pita bread fascia that contains muscle.
What does the Corpus Spongiosum do and become in males?
In male fuses to make bulb of penis and becomes musle
What attaches to the Perineal Body?
Site of common attachment for everything: anal sphincter, bulbospongiousus, transverse perineal muscle, levator ani
Which perineal triangle does the Deep Transverse Perineal muscle make up?
Makes up UG triangle except for openings in middle and borders.
What is the analog of the Vestibular Bulb in men?
Bulb of the penis
What nerve, artery, and vein can be damaged by cycling?
Nerve=Pundendal *BUT* Int. Pudendal Art and Vein
What is the major nerve of the perineum?
Pudendal Nerve. Motor, sensory, and sympathetic. Comes out from under gluteal region and runs along ischialpubic ramus and gives off branches
Where does the Pudendal Nerve come out from and run along?
Comes out from Greater Sciatic Foramen and enters Lesser Sciatic Foramen and then runs along ischialpubic ramus and gives off branches
What are the two major arteries and veins of the perineum?
Inferior rectal; Internal Pundendal art and veins
What is an Episiotomy?
Incision of the perineum to prevent tearing when pelvic opening not wide enough or extended labor.
Where are the three incisions of the Episiotomy and which is best?
Lateral=might cut nerves; Midline=might cut anus; Mediolateral=best place to cut
The Dorsal Clitoral Artery provides blood to what type of bodies?
To erectile bodies in women
What can happen to the skeletal muscle of the vagina from childbirth? How to treat?
musculo-elastic. Skeletal muscle around it which stretches from childbirth and can help with kegel contractions.
What does the vagina secrete?
secretes mucous
What makes up the Pampiniform Plexus in men?
Testicular veins surrounding one testicular artery
What is the job of the Panpiniform Plexus?
Heat exchange to keep the testes cool and prevent sterilzation
What does the contractions of the Ductus Deferens achieve during male ejaculation?
lots of contraction during ejaculation to move sperm and seminal components from seminal vesicle
What are the two corpi of the penis?
Corpus Cavernosum and Corpus Spongiosum