The term “abdominopelvic” refers to the combined region of the abdomen and pelvis. It is often used in medical contexts to describe structures, organs, or conditions that involve both areas. The abdomen refers to the area between the chest and pelvis, containing organs such as the stomach, liver, intestines, and pancreas. The pelvis, located below the abdomen, includes the hip bones, reproductive organs, bladder, and part of the large intestine.
Abdominal Cavity:
- Organs: Includes the stomach, liver, gallbladder, pancreas, spleen, kidneys, and parts of the small and large intestines (such as the duodenum, jejunum, ileum, cecum, appendix, and ascending, transverse, descending, and sigmoid colon).
- Membranes and Structures: Covered by the peritoneum, a serous membrane that lines the abdominal cavity and covers most abdominal organs.
Pelvic Cavity:
- Organs: Contains the reproductive organs (uterus, ovaries, fallopian tubes in females; prostate gland, seminal vesicles, and parts of the vas deferens in males), urinary bladder, part of the large intestine (rectum), and the internal reproductive organs (in females).
- Muscles and Structures: Supported by the pelvic floor muscles, which include the levator ani and coccygeus muscles.
- Anatomical Relationships:
- The abdominal and pelvic cavities are continuous with each other.
- They are separated by an imaginary line called the pelvic brim, which is the boundary between the true pelvis (below) and the false pelvis (above).
- Functions:
- Protection: The cavities protect the vital organs within them.
- Digestion and Elimination: Organs in these cavities are crucial for digestion, absorption of nutrients, and elimination of waste.
- Reproductive Function: The pelvic cavity houses reproductive organs essential for reproduction.
- Clinical Importance:
- Many vital organs and structures in the abdominopelvic region can be affected by diseases such as cancers, infections, and inflammatory conditions.
- Surgical procedures often involve accessing organs within this region due to its central role in digestion, elimination, and reproduction.
Key Features:
- Boundaries: The abdominopelvic cavity is bounded superiorly by the diaphragm and inferiorly by the pelvic floor.
- Functions: It houses and protects vital organs involved in digestion, reproduction, and waste elimination.
- Vascular and Nervous Supply: Supplied by numerous blood vessels (such as the abdominal aorta and its branches) and innervated by various nerves that control movement and sensation.
Understanding the abdominopelvic anatomy is crucial for medical professionals in diagnosing and treating conditions related to these organs and structures.
Anatomy: Abdominopelvic
- skeleton of the abdomen and pelvis
- lumbar spine
- bony pelvis
- innominate bones
- pubis
- pubic symphysis
- obturator foramen
- ischium
- greater sciatic notch
- lesser sciatic notch
- ilium
- pubis
- innominate bones
- sacrum
- sacral hiatus
- sacrotuberous ligament
- sacrospinous ligament
- greater sciatic foramen
- lesser sciatic foramen
- coccyx
- anterior angulation of the coccyx
- muscles of the abdomen and pelvis
- diaphragm
- sternocostal triangle
- anterior abdominal wall
- Scarpa’s fascia
- muscles
- external oblique muscle
- inguinal ligament
- lacunar ligament
- internal oblique muscle
- conjoint tendon
- transversus abdominis muscle
- rectus abdominis muscle
- rectus sheath
- linea alba
- umbilicus
- arcuate line
- semilunar line
- transversalis fascia
- pyramidalis muscle
- external oblique muscle
- surface anatomy
- posterior abdominal wall
- psoas major muscle
- psoas minor muscle
- quadratus lumborum muscle
- iliacus muscle
- pelvic floor
- levator ani muscle
- coccygeus muscle
- piriformis muscle
- obturator internus muscle
- diaphragm
- spaces of the abdomen and pelvis
- anterior abdominal wall
- sternocostal triangle
- posterior abdominal wall
- superior lumbar triangle
- inferior lumbar triangle
- iliopsoas compartment
- abdominal cavity
- peritoneum
- peritoneal ligaments
- left triangular ligament
- right triangular ligament
- falciform ligament
- umbilical vein
- ligamentum teres
- veins of Sappey
- umbilical vein
- omentum
- hepatogastric ligament
- gastrosplenic ligament
- splenorenal ligament
- mesentery
- small bowel mesentery
- root of the mesentery
- mesoappendix
- transverse mesocolon
- sigmoid mesocolon
- small bowel mesentery
- peritoneal spaces
- supramesocolic space
- right supramesocolic space
- right subphrenic space
- right subhepatic space
- anterior right subhepatic space
- posterior right subhepatic space (Morison pouch)
- lesser sac
- epiploic foramen (of Winslow)
- left supramesocolic space (left perihepatic space)
- left subhepatic space
- anterior left subhepatic space
- posterior left subhepatic space
- left subphrenic space
- anterior left subphrenic space
- posterior left subphrenic (perisplenic) space
- left subhepatic space
- right supramesocolic space
- inframesocolic space
- right inframesocolic space
- left inframesocolic space
- right paracolic gutter
- left paracolic gutter
- supramesocolic space
- inguinal canal (mnemonic)
- Hesselbach triangle
- umbilical folds
- median umbilical fold
- medial umbilical folds
- lateral umbilical folds
- peritoneal ligaments
- retroperitoneum
- perirenal fascia
- anterior pararenal space
- perirenal space
- perinephric bridging septa (of Kunin)
- posterior pararenal space
- properitoneal fat
- great vessel space
- lateroconal fascia
- peritoneum
- pelvic cavity
- pelvic peritoneal space
- rectouterine pouch (pouch of Douglas)
- rectovesical pouch
- retropubic space (of Retzius)
- paravesical space
- lateral fossa
- supravesical fossa
- presacral space
- canal of Nuck
- pudendal canal
- obturator canal
- pelvic peritoneal space
- perineum
- urogenital triangle
- superficial perineal pouch
- perineal membrane
- deep perineal pouch
- anal triangle
- transverse perineal muscles
- deep transverse perineal muscles
- superficial transverse perineal muscles
- transverse perineal muscles
- ischioanal fossa
- urogenital diaphragm
- urogenital triangle
- anterior abdominal wall
- abdominal and pelvic viscera
- gastrointestinal tract
- esophagus
- phrenic ampulla
- gastro-esophageal junction
- Z line
- stomach
- rugal folds
- small intestine
- duodenum
- Brunner gland
- duodenojejunal flexure
- jejunum
- ileum
- Meckel diverticulum
- ileocecal valve
- jejunum vs ileum
- valvulae conniventes
- duodenum
- large intestine
- cecum
- appendix
- duplex appendix
- appendix
- colon
- ascending colon
- right colic flexure
- transverse colon
- left colic flexure
- descending colon
- loop-to-loop colon
- sigmoid colon
- rectum
- mesorectal fascia
- appendix epiploica
- haustral folds
- taeniae coli
- cecum
- anal canal
- anal sphincters
- esophagus
- spleen
- variants
- splenunculus
- wandering spleen
- asplenia
- polysplenia
- splenogonadal fusion
- retrorenal spleen
- variants
- hepatobiliary system
- liver
- beaver tail liver
- ductus venosus
- ligamentum venosum
- porta hepatis
- Riedel lobe
- segmental liver anatomy (mnemonic)
- supradiaphragmatic liver
- biliary tree
- common hepatic duct
- cystic duct
- common bile duct
- ampulla of Vater
- sphincter of Oddi
- subvesical bile ducts
- gallbladder
- accessory gallbladder
- gallbladder duplication
- gallbladder triplication
- gallbladder agenesis
- Rokitansky-Aschoff sinuses
- Phrygian cap
- septate gallbladder
- accessory gallbladder
- liver
- endocrine system
- adrenal gland
- adrenal vessels
- adrenal arteries
- adrenal veins
- chromaffin cells
- variants
- horseshoe adrenal gland
- adrenal vessels
- pancreas
- pancreatic ducts
- pancreatic duct diameter
- variants
- pancreas divisum
- meandering main pancreatic duct
- ansa pancreatica
- anomalous pancreaticobiliary junction
- variants
- ectopic pancreatic tissue
- annular pancreas
- pancreatic ducts
- organs of Zuckerkandl
- adrenal gland
- urinary system
- kidney
- renal pelvis
- extrarenal pelvis
- renal sinus
- avascular plane of Brodel
- variants
- number
- renal agenesis
- supernumerary kidney
- fusion
- horseshoe kidney
- sigmoid kidney
- crossed fused renal ectopia
- junctional parenchymal defect
- pancake kidney
- horseshoe kidney
- location
- ectopic kidney
- pelvic kidney
- fused pelvic kidney
- intrathoracic kidney
- crossed renal ectopia
- pelvic kidney
- abnormal renal rotation
- nephroptosis
- ectopic kidney
- shape
- persistent fetal lobulation
- hypertrophied column of Bertin
- renal hilar lip
- dromedary hump
- faceless kidney
- number
- renal pelvis
- ureter
- variants
- ectopic ureter
- duplex collecting system
- Weigert-Meyer law
- bifid ureter
- ureteral duplication
- retrocaval ureter
- ureterocele
- variants
- urinary bladder
- detrusor
- bladder neuroanatomy (micturition)
- urethra
- fossa navicularis
- male urethra
- verumontanum
- prostatic utricle
- musculus compressor nuda
- female urethra
- paraurethral glands
- paraurethral ducts
- paraurethral glands
- embryology
- metanephric blastema
- ureteric bud
- Wolffian duct
- kidney
- male reproductive system
- prostate
- seminal vesicles
- ejaculatory duct
- bulbourethral glands
- urethral glands of Littré
- spermatic cord (mnemonic)
- ductus deferens
- cremaster muscle
- scrotum (mnemonic)
- dartos muscle
- epididymis
- testes
- descent
- tunica vaginalis
- tunica albuginea
- testicular appendages
- appendix of the testis
- appendix of the epididymis
- polyorchidism
- bilobed testis
- penis
- female reproductive system
- vulva
- mons pubis
- labia majora
- labia minora
- clitoris
- bulbs of the vestibule
- vestibule of the vulva
- vaginal opening
- hymen
- Bartholin glands
- vagina
- fornix
- uterus
- cervix
- parametrium
- chorion
- amnion
- endometrium
- placenta
- basal plate
- chorionic plate
- variation in morphology
- retroplacental complex
- umbilical cord
- Wharton jelly
- cervix
- adnexa
- Fallopian tubes
- ovaries
- ovarian follicle
- dominant ovarian follicle
- primary follicle
- secondary follicle
- mature vesicular follicle
- corpus luteum
- corpus albicans
- cumulus oophorus
- ovarian follicle
- broad ligament (mnemonic)
- variant anatomy
- retroverted uterus
- congenital uterovaginal anomalies
- transverse vaginal septum
- Mullerian duct anomalies
- uterine duplication anomalies
- uterus didelphys
- bicornuate uterus
- septate uterus
- uterine agenesis
- unicornuate uterus
- arcuate uterus
- T-shaped uterus
- uterine duplication anomalies
- embryology
- Mullerian duct
- vulva
- gastrointestinal tract
- blood supply of the abdomen and pelvis
- arteries
- abdominal aorta
- inferior phrenic artery
- superior suprarenal artery
- celiac artery
- common hepatic artery (variant anatomy)
- hepatic artery proper
- left hepatic artery
- middle hepatic artery
- falciform artery
- middle hepatic artery
- right hepatic artery
- cystic artery
- left hepatic artery
- gastroduodenal artery
- supraduodenal artery
- right gastroepiploic artery
- superior pancreaticoduodenal artery
- right gastric artery
- hepatic artery proper
- left gastric artery
- splenic artery
- left gastroepiploic artery
- short gastric arteries
- greater pancreatic artery
- dorsal pancreatic artery
- transverse pancreatic artery
- common hepatic artery (variant anatomy)
- superior mesenteric artery
- inferior pancreaticoduodenal artery
- jejunal and ileal branches
- ileocolic artery
- appendicular artery
- accessory appendicular artery
- colic branch
- appendicular artery
- right colic artery
- middle colic artery
- middle suprarenal artery
- renal artery (variant anatomy)
- inferior suprarenal artery
- gonadal artery (ovarian artery | testicular artery)
- inferior mesenteric artery
- left colic artery
- sigmoid arteries
- superior rectal artery
- lumbar arteries
- median sacral artery
- common iliac artery
- external iliac artery
- inferior epigastric artery
- cremasteric artery
- deep circumflex artery
- inferior epigastric artery
- internal iliac artery (mnemonic)
- anterior division
- umbilical artery
- superior vesical artery
- deferential artery
- obturator artery
- vaginal artery
- inferior vesical artery
- uterine artery
- middle rectal artery
- internal pudendal artery
- inferior rectal artery
- perineal artery
- posterior scrotal artery
- transverse perineal artery
- artery to the bulb
- deep artery of the penis/clitoris
- dorsal artery of the penis/clitoris
- inferior gluteal artery
- posterior division (mnemonic)
- iliolumbar artery
- lateral sacral artery
- superior gluteal artery
- variant anatomy
- persistent sciatic artery
- corona mortis
- anterior division
- external iliac artery
- inferior phrenic artery
- abdominal aorta
- portal venous system
- portal vein
- splenic vein
- inferior mesenteric vein
- superior mesenteric vein
- left gastric vein (coronary vein)
- splenic vein
- portal vein
- veins
- inferior vena cava
- hepatic veins
- accessory right inferior hepatic vein
- renal vein
- ascending lumbar communicant vein
- gonadal vein
- pampiniform plexus
- suprarenal vein
- variant anatomy
- retro-aortic left renal vein
- double retroaortic left renal vein
- circumaortic left renal vein
- retro-aortic left renal vein
- pancreaticoduodenal veins
- common iliac vein
- internal iliac vein
- internal pudendal vein
- obturator vein
- prostatic venous plexus
- vesical venous plexus
- uterine venous plexus
- vaginal venous plexus
- external iliac vein
- internal iliac vein
- variant caval anatomy
- absent infrarenal inferior vena cava
- azygos continuation
- circumcaval ureter
- circumaortic venous collar
- Eustachian valve
- left-sided IVC
- IVC duplication
- hepatic veins
- inferior vena cava
- anastomoses
- arterioarterial anastomoses
- arc of Barkow
- arc of Buhler
- arc of Riolan
- marginal artery of Drummond
- portal-systemic venous collateral pathways
- watershed areas
- Griffiths point
- Sudeck point
- arterioarterial anastomoses
- arteries
- lymphatics
- lymph node groups
- para-aortic lymph nodes
- preaortic lymph nodes
- portal and portocaval lymph nodes
- gastric lymph node stations
- peripancreatic lymph nodes
- common iliac lymph nodes
- external iliac lymph nodes
- internal iliac lymph nodes
- cisterna chyli
- lymph node groups
- innervation of the abdomen and pelvis
- thoracic splanchnic nerves
- lumbar plexus
- subcostal nerve
- Iliohypogastric nerve
- ilioinguinal nerve
- genitofemoral nerve
- lateral femoral cutaneous nerve
- femoral nerve
- obturator nerve
- lumbosacral trunk
- sacral plexus
- lumbosacral trunk
- sciatic nerve
- superior gluteal nerve
- inferior gluteal nerve
- nerve to piriformis
- perforating cutaneous nerve
- posterior femoral cutaneous nerve
- parasympathetic pelvic splanchnic nerves
- pudendal nerve
- perineal branch
- inferior rectal nerve
- dorsal nerve of the penis or clitoris
- nerve to quadratus femoris and inferior gemellus muscles
- nerve to internal obturator and superior gemellus muscles
- autonomic ganglia and plexuses
- phrenic plexus
- celiac plexus
- hepatic plexus
- aorticorenal plexus
- renal plexus
- superior mesenteric plexus
- inferior mesenteric plexus
- superior hypogastric plexus
- inferior hypogastric plexus
- ganglion impar
The abdominopelvic region plays crucial roles in digestion, reproduction, and waste elimination. It houses and protects vital organs while allowing for movement, flexibility, and structural support for the body.
Disclaimer: Each person’s journey is unique, treatment plan, life style, food habit, hormonal condition, immune system, chronic disease condition, geological location, weather and previous medical history is also unique. So always seek the best advice from a qualified medical professional or health care provider before trying any treatments to ensure to find out the best plan for you. This guide is for general information and educational purposes only. If you or someone are suffering from this disease condition bookmark this website or share with someone who might find it useful! Boost your knowledge and stay ahead in your health journey. Thank you for giving your valuable time to read the article.
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