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Anatomy Flash Cards
Abdomen, Pelvis, Perineum
176
Other
Not Applicable
10/30/2003

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Term
Nerves between IAO & transversus abdominis
Definition
Cutaneous branches of T7 – T11 (Thoracoabdominal nn.); Ventral ramus of T12 (Subcostal n.); Iliohypogastric (branch of L1); Ilioinguinal (branch of L1)
Term
Arteries between IAO & transversus abdominis
Definition
Inferior intercostal aa.; Subcostal a.; Lumbar a.; Deep circumflex iliac a. (branch of external iliac a.)
Term
External abdominal oblique muscle attachments, innervation, and action
Definition
Origin: External surfaces of ribs 5-12; Insertion: Linea alba, pubic tubercle, anterior ½ of iliac crest; Innervation: Thoracoabdominal nn., subcostal nn.; Action: Compress & support abdominal viscera, aid in expiration, flex & rotate trunk
Term
Internal abdominal oblique muscle attachments, innervation, blood supply, and action
Definition
Origin: Thoracolumbar fascia, anterior 2/3 of iliac crest, lateral ½ of inguinal ligament; Insertion: Inferior borders of ribs 10-12, linea alba, pecten pubis (via conjoint tendon); Innervation: Thoracoabdominal nn., 1st lumbar nn.; Blood supply: Lower 5 intercostal, subcostal, and lumbar arteries; Action: Compress & support abdominal viscera, aid in expiration, flex & rotate trunk
Term
Transversus abdominis muscle attachments, innervation, blood supply, and action
Definition
Origin: Internal surfaces of costal cartilages 7-12, thoracolumbar fascia, iliac crest, lateral 1/3 of inguinal ligament; Insertion: Linea alba with aponeurosis of IAO, pubic crest, pecten pubis (via conjoint tendon); Innervation: Thoracoabdominal nn., 1st lumbar nn.; Blood supply: Lower 5 intercostal, subcostal, and lumbar arteries; Action: Compress & support abdominal viscera, aid in expiration
Term
Rectus abdominis muscle attachments, innervation, blood supply, and action
Definition
Origin: Pubic symphysis, pubic crest; Insertion: Xiphoid process, costal cartilages 5-7; Innervation: Thoracoabdominal nn.; Blood supply: Superior and inferior epigastric arteries; Action: Flexes trunk (lumbar vertebrae), compresses abdominal viscera, aids in expiration
Term
Bony boundaries of abdominal cavity
Definition
Posterior: Vertebrae from TV12 to LV5; Inferior & lateral: Ala of sacrum and of ileum (often called false pelvis)
Term
Bony boundaries of true pelvis
Definition
Posterior: Sacrum; Lateral: Ischiopubic rami, ischial spines
Term
Soft tissue boundaries of abdominopelvic cavity
Definition
Superior: Diaphragm; Inferior: Pelvic diaphragm; Anterior: Abdominal musculature between rib cage and pelvic girdle
Term
Dermatome of umbilicus, vertebral level of umbilicus
Definition
Dermatome: T10; Vertebral level: LV4
Term
Fascial layers of abdomen
Definition
Superficial layer: Camper’s fascia (fatty); Deeper layer: Scarpa’s fascia (membranous)
Term
Vasculature of Camper’s fascia
Definition
Veins: Superficial circumflex iliac, external pudendal, superficial epigastric, tributaries to paraumbilical
Term
Ligaments formed by external abdominal oblique
Definition
Inguinal (Poupart’s) ligament: ASIS to pubic tubercle; Lacunar (Gimbernat’s) ligament: Medial end of inguinal ligament, rolled under deep to spermatic cord; Pectineal (Cooper’s) ligament: Lateral continuation of lacunar ligament along pectineal line of pubis, considered strongest ligament of the body
Term
Suprapubic dermatome, vertebral level of iliac crest
Definition
Dermatome: L1; Vertebral level: LV4
Term
Falciform ligament
Definition
Derivative of ventral mesentery; Free edge contains ligamentum teres (obliterated left umbilical vein), paraumbilical veins; Splits to form left triangular ligament and right coronary ligament
Term
Median umbilical ligament
Definition
Midline structure; Formed by peritoneal covering of urachus (obliterated allantois), paraumbilical veins; Runs from superior aspect of bladder to umbilicus
Term
Medial umbilical ligaments
Definition
Paired structures; Formed by peritoneal coverings of right and left umbilical arteries; Run from superior aspect of bladder to umbilicus; Proximal part of arteries are patent, give rise to superior vesicle arteries
Term
Lateral umbilical ligaments
Definition
Paired structures; Formed by peritoneal coverings of inferior epigastric vessels deep to the rectus abdominis
Term
Location of inguinal (Hasselbach's) triangle
Definition
Location: medial to epigastric vessels
Term
Site of direct inguinal hernia
Definition
Inguinal (Hasselbach's) triangle; Medial to epigastric vessels; Through superficial inguinal ring
Term
Boundaries of inguinal (Hasselbach's) triangle
Definition
Lateral: epigastric vessels; Medial: lateral edge of rectus abdominis muscle; Inferior: inguinal ligament
Term
Location of deep inguinal ring
Definition
Location: lateral to epigastric vessels
Term
Location of indirect inguinal hernia
Definition
Lateral to epigastric vessels; Through deep inguinal ring
Term
Layers of the scrotum
Definition
Skin; Dartos tunic
Term
Dartos muscle fiber type, innervation, location, and action
Definition
Fiber type: smooth muscle; Innervation: PSNS; Location: thin layer around scrotum; Action: regulates testicular temperature by elevating (contraction) or lowering (relaxation) the testes
Term
Coverings of spermatic cord
Definition
External spermatic fascia; Cremaster muscle and fascia; Internal spermatic fascia
Term
Abdominal origin of external spermatic fascia, and structure formed
Definition
Origin: External abdominal oblique; Structure: Superficial inguinal ring
Term
Abdominal origin of cremaster muscle and fascia
Definition
Origin: Internal abdominal oblique
Term
Abdominal origin of internal spermatic fascia, and structure formed
Definition
Origin: Transversalis fascia; Structure: Deep inguinal ring
Term
Arteries of the spermatic cord
Definition
Cremasteric artery (off inferior epigastric artery); Testicular artery (off aorta); Artery to vas deferens (off inferior vesicular artery)
Term
Nerves of the spermatic cord
Definition
Ilioinguinal (L1); Genital branch of genitofemoral (L1,L2); Autonomics (to testes, dartos, and blood vessels)
Term
Afferent and efferent branches of cremasteric reflex
Definition
Afferent: Femoral br. of genitofemoral n. and ilioinguinal n. (L1); Efferent: Genital br. of genitofemoral n. (L1, L2)
Term
Other three structures of the spermatic cord
Definition
Pampiniform plexus of veins (drains the testes & gives rise to the testicular vein); Ductus deferens: most posterior structure in spermatic cord; Lymphatics: parallel veinous drainage to posterior abdominal wall
Term
Site of testis development
Definition
Urogenital ridge between layers that become transversalis fascia and parietal peritoneum
Term
Processus vaginalis
Definition
Outpocketing of peritoneum into scrotum preceding descent of the testis
Term
Hydrocele
Definition
Fluid filled remnant of the lumen of the processus vaginalis
Term
Tunica vaginalis
Definition
Covers testis (except posteriorly) with visceral and parietal layers
Term
Efferent ductules of the testis
Definition
15-20 in number; Continuous with seminiferous tubules; Drain into epididymis
Term
Epididymis
Definition
Used for sperm storage; Drains into vas deferens
Term
Tunica albuginea
Definition
Dense white covering forming the capsule of the testis
Term
Prevalence of hernias
Definition
10% of population
Term
Most common type of hernia
Definition
Inguinal hernia
Term
Prevalence of indirect inguinal hernias; prevalence of direct inguinal hernias
Definition
Indirect: 75% of inguinal hernias; Direct: 25% of inguinal hernias
Term
Prevalence of inguinal hernias
Definition
Most common in both sexes; 80% of males with hernias have inguinal hernias; 7 to 1 male to female ratio
Term
Congenital inguinal hernia
Definition
Indirect inguinal hernia
Term
Acquired inguinal hernia
Definition
Direct inguinal hernia
Term
Prevalence of umbilical hernias
Definition
14% of all hernias; More common in females (1.7 to 1)
Term
Prevalence of femoral hernias
Definition
5% of all hernias; More common in females (1.8 to 1)
Term
Location of femoral hernias
Definition
Below inguinal ligament; Through femoral ring
Term
Location of obturator hernias
Definition
At obturator foramen
Term
Location of epigastric hernias
Definition
At linea alba
Term
Location of Spigelian hernias
Definition
In posterior rectus sheath below arcuate line
Term
Location of lumbar hernias
Definition
On the back at the lumbar triangle
Term
Location of perineal hernias
Definition
Through or between muscles of the pelvic diaphragm
Term
Location of diaphragmatic hernias
Definition
At esophageal hiatus, aortic hiatus, or foramen for the inferior vena cava
Term
Suture anchor sites during inguinal hernia repair
Definition
Pectineal (Cooper's) ligament and/or Inguinal (Poupart's) ligament
Term
Ascites
Definition
Excess fluid in abdominal cavity; may be removed by paracentesis
Term
Transversalis fascia
Definition
Loose connective tissue that separates the peritoneum from the abdominal musculature.
Term
Parietal peritoneum
Definition
Lines abdominopelvic cavity forming a closed sac. (Except in females, where fallopian tubes lead to exterior.)
Term
Visceral peritoneum
Definition
Covers intra-abdominal organs.
Term
Regions of the stomach
Definition
Cardia: joins esophagus; Fundus: most superior part (to left of cardia); Body: major part of stomach; Angular notch: marks junction of body with pyloric region; Pyloric antrum: leads into distal canal and sphincter region
Term
Pyloric sphincter
Definition
Controls influx into duodenum
Term
Vertebral level and location of pyloric sphincter
Definition
Vertebral level: LV1; Location: transpyloric plane
Term
Shape and length of duodenum
Definition
Shape: C-shaped; Length: ~12"
Term
Vertebral levels of parts of duodenum
Definition
1st Part: LV1; 2nd Part: LV2; 3rd Part: LV3; 4th Part: LV4
Term
Peritoneal relationships of parts of duodenum
Definition
1st Part: Intraperitoneal; 2nd Part: Secondarily retroperitoneal; 3rd Part: Secondarily retroperitoneal; 4th Part: Intraperitoneal
Term
Location of openings of pancreatic and biliary ducts
Definition
Duodenal papilla; 2nd part of duodenum
Term
Ligament of Treitz
Definition
Suspensory muscle that supports the duodenojejunal flexure
Term
Distinctive characteristics of the jejunum
Definition
Long vasa recta; Few arterial arcades; Little fat in the mesentery; Few lymphoid nodules (Peyer's patches)
Term
Distinctive characteristics of the ileum
Definition
Short vasa recta; Many arterial arcades; More fat in the mesentery; Many solitary lymph nodules (Peyer's patches)
Term
Distinctive characteristics of the large intestine
Definition
Teniae coli: 3 longitudinal muscular bands; Epiploic appendages: fat tabs; Haustra or Sacculations: outpocketings of the wall of the large intestine
Term
Cecum
Definition
Blind pouch at the ileocecal junction
Term
Vermiform appendix
Definition
Attaches to the cecum; Marks the beginning of the colon
Term
Mesoappendix
Definition
Short, triangular mesentery that suspends the appendix from the ileum
Term
McBurney's point
Definition
2/3 the distance from the umbilicus to ASIS
Term
Peritoneal relationships of parts of colon
Definition
Vermiform appendix: Intraperitoneal; Cecum: Intraperitoneal; Ascending colon: Secondarily retroperitoneal; Transverse colon: Intraperitoneal; Descending colon: Secondarily retroperitoneal; Sigmoid colon: Intraperitoneal; Rectum: Extraperitoneal
Term
Indication of beginning of rectum
Definition
Termination of teniae coli
Term
Demarcation of functional lobes of liver
Definition
The right functional lobe is demarcated from the left lobe by the gallbladder and IVC fossae.
Term
Demarcation of anatomical lobes of liver
Definition
Falciform ligament; Fissures for ligamentum teres and ligamentum venosum
Term
Contents of porta hepatis
Definition
Portal vein; Hepatic artery; Nerves; Lymphatics; Bile ducts
Term
Boundaries of caudate lobe of liver
Definition
Inferior vena cava; Porta hepatis; Ligamentum venosum/lesser omentum
Term
Boundaries of quadrate lobe of liver
Definition
Gallbladder; Porta hepatis; Ligamentum teres/lesser omentum
Term
Function of gall bladder
Definition
Concentrate and store bile produced by liver; Can concentrate 125 mL of bile down to 1mL
Term
Sphincter of Oddi
Definition
Guards the terminal ends of the common bile duct and the pancreatic duct
Term
Largest lymphatic organ
Definition
Spleen
Term
Location of spleen
Definition
Behind ribs 9-11 in upper left quadrant
Term
Innervation of peritoneum
Definition
Parietal innervation: somatic nerves; Visceral innervation: autonomic nerves
Term
Attachments of lesser omentum
Definition
Liver and lesser curvature of stomach (hepatogastric ligament); Liver and duodenum (hepatoduodenal ligament)
Term
Portal triad
Definition
Lateral: common bile duct; Medial: proper hepatic artery; Posterior: portal vein
Term
Boundaries of lesser sac or omental bursa
Definition
Anterior: lesser omentum and stomach; Posterior: pancreas and abdominal wall
Term
Epiploic foramen (Foramen of Winslow)
Definition
Communication between main peritoneal cavity and omental bursa
Term
Boundaries of epiploic foramen
Definition
Anterior: hepatoduodenal ligament; Posterior: IVC; Superior: caudate lobe of liver; Inferior: duodenum
Term
Attachments of greater omentum
Definition
Greater curvature of stomach and transverse colon (gastrocolic ligament); Greater curvature of stomach and spleen (gastrolienal ligament); Greater curvature of stomach and diaphragm (gastrophrenic ligament)
Term
Attachments and contents of lienorenal ligament
Definition
Attachments: hilum of spleen and kidney/posterior body wall; Contents: splenic vessels, tip of pancreatic tail
Term
Attachments and function of phrenicocolic ligament
Definition
Attachments: left colic flexure and diaphragm; Function: support spleen
Term
Mesentery proper
Definition
Suspends jejunum and ileum from posterior body wall
Term
Transverse mesocolon
Definition
Suspends transverse colon from posterior body wall
Term
Sigmoid mesocolon
Definition
Attaches sigmoid colon to posterior body wall
Term
Location and significance of paraduodenal recesses (fossae)
Definition
Location: around duodenojejunal junction; Significance: potential site for herniation, IMV often found in margin of left paraduodenal recess
Term
Location and significance of subphrenic recess
Definition
Location: beneath the diaphragm, anterior & superior to liver; Significance: 2nd most infected abdominal space
Term
Location and significance of hepatorenal recess (Pouch of Morrison)
Definition
Location: between right kidney and liver; Significance: most frequently infected abdominal space
Term
Location and significance of paracolic gutters
Definition
Location: along ascending and descending colon and mesentery proper; Significance: right gutter may condutct fluid or infection from hepatorenal recess or omental bursa to pelvis
Term
Vertebral level of bifurcation of aorta
Definition
Vertebral level: LV4
Term
Nerves of the lumbar plexus
Definition
Ventral rami of (T12) L1 to L5
Term
Innervations of iliohypogastric nerve (L1)
Definition
Upper gluteal region; Lateral abdominal muscles; Sensory to suprapubic region
Term
Innervations of ilioinguinal nerve
Definition
Lateral abdominal muscles; Sensory to upper medial thigh, root of penis or mons pubis, anterior scrotum or sup. labia majora
Term
Innervations of genitofemoral nerve
Definition
Genital branch: cremaster muscle; Femoral branch: sensory to anterosuperior thigh
Term
Nerve root(s) of iliohypogastric nerve
Definition
L1
Term
Nerve root(s) of ilioinguinal nerve
Definition
L1
Term
Nerve root(s) of genitofemoral nerve
Definition
L1 & L2
Term
Innervation of lateral femoral cutaneous nerve
Definition
Sensory to lateral thigh
Term
Nerve root(s) of lateral femoral cutaneous nerve
Definition
L2 & L3
Term
Innervations of femoral nerve
Definition
Motor to quadriceps muscle; Sensory to anterior and lower medial thigh
Term
Innervations of saphenous branch of femoral nerve
Definition
Sensory to anterior and medial leg
Term
Afferent and efferent limbs of knee jerk reflex
Definition
Afferent: femoral nerve; Efferent: femoral nerve
Term
Nerve root(s) of femoral nerve
Definition
L2, L3, & L4
Term
Innervations of obturator nerve
Definition
Motor to medial thigh muscles; Sensory to overlying skin
Term
Nerve root(s) of obturator nerve
Definition
L2, L3, & L4
Term
Function of lumbosacral trunk
Definition
Connects lumbar plexus with sacral plexus
Term
Nerve root(s) of lumbosacral trunk
Definition
L4 & L5
Term
Number of parasympathetic nerves in the body wall, blood vessels, and extremities
Definition
Zero
Term
Abdominal structures innervated by vagus
Definition
Foregut and midgut; Structures supplied by celiac trunk and SMA
Term
Location of cell bodies of pelvic splanchnics
Definition
Ventolateral horn of spinal segments S2, S3, & S4
Term
Possible actions of pelvic splanchnics after leaving hypogastric plexus
Definition
Go directly to pelvic viscera; Ascend over sacral promentory to superior hypogastric plexus and IMA
Term
Abdominal structures supplied by pelvic splanchnics
Definition
Large intestine from left colic flexure to rectum; Structures supplied by IMA
Term
Location of cell bodies of thoracic splanchnics
Definition
Intermediolateral (ventrolateral) horn of spinal segments T5 - T12
Term
Location of cell bodies of greater splanchnic nerve
Definition
Ventrolateral horn of T5 - T9
Term
Location of cell bodies of lesser splanchnic nerve
Definition
Ventrolateral horn of T10 - T11
Term
Location of cell bodies of least splanchnic nerve
Definition
Ventrolateral horn of T12
Term
Major SNS input to celiac ganglion
Definition
Greater splanchnic nerve
Term
Major SNS input to aorticorenal ganglia
Definition
Lesser splanchnic nerve
Term
Major SNS input to renal ganglia
Definition
Least splanchnic nerve
Term
Location of aorticorenal ganglia
Definition
Near junction of renal arteries with aorta
Term
Location of renal ganglia
Definition
Along renal arteries near kidneys
Term
Location of cell bodies of lumbar splanchnics
Definition
Intermediolateral horn of lower thoracic and L1 spinal segments
Term
Ventral splanchnic arteries
Definition
Celiac trunk; Superior mesenteric artery; Inferior mesenteric artery
Term
Arterial supply of the foregut
Definition
Celiac trunk
Term
Arterial supply of the midgut
Definition
Superior mesenteric artery
Term
Arterial supply of the hindgut
Definition
Inferior mesenteric artery
Term
Branches of the celiac trunk
Definition
Left gastric artery; Splenic artery; Common hepatic artery
Term
Vertebral level of celiac trunk
Definition
TV12
Term
Organs supplied by left gastric artery
Definition
Esophagus - via esophageal branches; Stomach - via dorsal & ventral branches; Liver - via accessory (aberrant) left hepatic
Term
Site of formation of spleen
Definition
Mesoderm (forms like a blood vessel)
Term
Organs supplied by splenic artery
Definition
Pancreas - via dorsal pancreatic, pancreatic magna, & caudal pancreatic; Stomach - via left gastroepiploic & short gastric; Spleen - via superior & inferior terminal branches
Term
Branches of common hepatic artery
Definition
Gastroduodenal, proper hepatic, & right gastric
Term
Organs supplied by gastroduodenal artery
Definition
Stomach - via right gastroepiploic; Duodenum - via supraduodenal & superior pancreaticoduodenal; Pancreas - via superior pancreaticoduodenal
Term
Branches of proper hepatic artery
Definition
Right hepatic; Left hepatic; Cystic
Term
Boundaries of cystic triangle
Definition
Right: cystic duct; Left: common hepatic duct; Superior: liver
Term
Organ(s) supplied by right gastric artery
Definition
Stomach
Term
Blood supply to lesser curvature of stomach
Definition
Right (off of proper or common hepatic) & left gastric artery (off of celiac trunk)
Term
Blood supply to greater curvature of stomach
Definition
Right (off of gastroduodenal) & left gastroepiploic (off of splenic)
Term
Vertebral level of superior mesenteric artery
Definition
LV1
Term
Structures in the nutcracker formed by the SMA
Definition
Left renal vein; Uncinate process of pancreas; 3rd part of duodenum
Term
Branches of superior mesenteric artery
Definition
Inferior pancreaticoduodenal; Intestinal branches; Colic
Term
Actions of inferior pancreaticoduodenal artery
Definition
Anterior & posterior branches anastomose with anterior & posterior branches of superior pancreaticoduodenal artery
Term
Organs supplied by intestinal branches of SMA
Definition
Jejunum & Ileum
Term
Branches of the colic artery
Definition
Ileocolic - to terminal ileum and cecum; Right colic - to ascending colon; Middle colic - to transverse colon
Term
Branches of inferior mesenteric artery
Definition
Left colic; Sigmoid colon; Superior rectal
Term
Vertebral level of IMA
Definition
LV3
Term
Vertebral level of renal arteries
Definition
LV2
Term
Marginal artery (of Drummond)
Definition
Anastomotic connection between the colic arteries
Term
Arc of Rhiolin
Definition
Anastomotic connection between the SMA & the IMA
Term
Main ducts of the biliary tree
Definition
Common hepatic duct; Cystic duct; Common bile duct
Term
Tributaries of the common hepatic duct
Definition
Left & right hepatic duct
Term
Tributaries of common bile duct
Definition
Common hepatic duct & cystic duct
Term
Hepatopancreatic ampulla (Ampulla of Vater)
Definition
Site of drainage into 2nd part of duodenum of the main pancreatic duct & common bile duct
Term
Innervation of the liver
Definition
Sympathetics from T7-9; Parasympathetics from vagal trunks
Term
Tributaries of the portal vein
Definition
Splenic & superior mesenteric veins (junction forms portal vein); Left & right gastric veins; Cystic vein
Term
Areas drained by superior mesenteric vein
Definition
Stomach (via right gastroepiploic vein); Head of pancreas & duodenum; Jejunum; Ileum; Cecum; Appendix; Ascending colon; All or most of transverse colon
Term
Tributaries of the inferior mesenteric vein
Definition
Left colic, sigmoid, superior rectal veins
Term
Tributaries of the splenic vein
Definition
Radicles from spleen; Left gastroepiploic, short gastric veins; Inferior mesenteric vein (usually)
Term
Sites of portacaval anastomoses
Definition
Veins of esophagus above and below diaphragm; Superior rectal and middle/inferior rectal; Veins of falciform ligament/ligamentum teres and tributaries to epigastric;
Term
Name and symptom(s) of varicose of esophageal anastomosis
Definition
Esophageal varix; Necrotic blood in stool
Term
Name and symptom(s) of varicose of rectal anastomoses
Definition
Hemorrhoids; Shiny red blood in stool
Term
Name of varicose of falciform/teres & epigastric anastomosis
Definition
Caput Medusae
Term
Major muscles of posterior abdominal wall
Definition
Psoas major; Iliacus; Quadratus lumborum
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