2. Branches of thoracic
aorta
IN ADDITION TO THE CORONARY ARTERIES AND
COMMON BRACHIO-CEPHALIC TRUNK, THE
THORACIC PART OF AORTA GIVES OFF
BRANCHES TO THE THORACIC WALLS AND
VISCERA AND TO SPINAL CORD AND ITS
MEMBRANE.
(1).VISERAL
BRANCHES…………….BRONCHIAL AND
OESOPHAGEAL
(2).PARIETAL
BRANCHES…………..INTERCOSTAL AND
PHRENIC
3. (1) VISCERAL BRANCHES
BRONCHIAL-OESOPHAGEAL ARTERY:
ORIGIN:
ARISES AT THE SIXTH THORACIC VERTEBRA FROM
AORTA-IT DESCENDS OVER THE RIGHT FACE OF
THE AORTA TOWARDS BIFURCATION OF TRACHEA
AND DIVIDED INTO BRONCHIAL ANAOESOPHAGIAL
BRANCHES.
BRONCHIAL ARTERY:
IT CROSSES THE LEFT FACE OF OESOPHAGOUS TO
THE BIFURCATION OF TRACHEA WHERE IT DIVIDES
INTO RIGHT AND LEFT BRANCHES.EACH ENTER
INTO HILUS OF CORRESPONDING LUNG.
4. Cont…
OESOPHAGEAL ARTERY:
IT IS SMALL VESSEL WHICH PASSES
BACKWARD DORSAL TO THE OESOPHAGOUS
IN THE POSTERIOR MEDIASTINUM AND
ANASTOMOSIS WITH THE OESOPHAGEAL
BRANCH OF THE GASTRIC ARTERY AND
GIVES OFF BRANCHES WHICH PASSES
BETWEEN THE LAYERS OF LIGAMENT OF
THE LUNGS.
5. PARIETAL BRANCHES:
INTERCOSTAL ARTERIES:
*FIRST ARISE FROM DEEP CERVICLE ARTERY
*NEXT THREE ARISE FROM SUBCOSTAL BRANCH
OF DORSAL ARTERY
*REMAINDER ARISE FROM AORTA
1.AORTICINTERCOSTALS ARTERIES:
ARISE FROM AORTA IN PAIRES CLOSE TOGETHER.
THE FIFTH AND SIXTH SPRINGS FROM A COMMON
STEM. EACH PASSES THE BODY OF VERTEBRA TO
INTERCOSTALS SPACE. IT DIVIDES INTO
DORSAL BRANCHES
VENTERAL BRANCHES
6. DORSAL BRANCHES:
IT GIVES OFF SPINAL BRANCHES WHICH PASSES
THROUGH INTERVERTEBERALFORAMEN.A
MUSCULAR BRANCH PASSES TO MUSCLE AND SKIN
OF BACK.
VENTERAL BRANCHES:
IT IS MUCH LARGE.
ORIGIN: IT DESCEND IN MIDDLE OF INTERCOSTALS
SPACE BETWEEN INTRCOSTAL MUSCLES.
SUPPLIES:IT SUPPLIES
INTERCOSTALSMUSCLE,THERIBS,AND PLEURA
7. PHARENIC ARTERIES:
ORIGIN: TWO OR THREE SMALL BRANCHES
WHICH ARISE AT HIATUS AORTICUS FROM
VENTERAL ASPECT OF AORTA.
SUPPLIES: THEY SUPPLIES CRURA OF
DIAPGRAM.
8. BRANCHES OF ABDOMINAL AORTA:
THESE BRANCHES SUPPLIES
1) WALLS OF ABDOMINAL CAVITY
2) SOME BRANCHES SUPPLIES
SPINAL CORD
3) SOME EXTEND INTO PELVIS AND
SACROTUM
9. VISCERAL BRANCHES
(1).COELIAC ARTERY
IT IS UN PAIRED VESSEL
ORIGIN: ARISE FROM VENTERAL ASPECT
OF AORTA
IT IS FURTHER DIVIDED INTO THREE
BRANCHES
GASTRIC ARTERY
IT GIVES OFF OESOPHAGOUS AND
PANCREATIC BRANCHES
IT DIVIDED BEHIND THE CARDIA INTO
ANTERIOR AND POSTERIOR BRANCHES
10. Cont…
ANTERIOR BRANCHES:
THEY SUPPLIES THE PARIETAL SURFACE OF
STOMACH
POSTERIOR BRANCHES:
THEY SUPPLIES THE VISCERAL SURFACE OF
STOMACH
OESOPHGEAL BRANCHES:
IT PPASSES THROUGH HIATUS OESOPHAGOUS
INTO THORACIC CAVITY ABOVE THE
OESOPHAGOUS AND ANASTOMOSES WITH THE
OESOPHAGEAL BRANCH OF BRONCHO-
OESOPHAGEAL CAVITY.
11. HEPATIC ARTERY:
LARGER THAN GASTRIC
IT PASSES FORWARD AND TO THE RIGHT AND VENTERALLY ON
DORSAL SURFACE OF PANCREAS
IT DIVIDED INTO 3-4 BRANCHES WHICH ENTER THE PORTAL
FISSURE OF LIVER
IT ALSO GIVES OFF CO-LATERAL BRANCHES
PANCREATIC BRANCHES:
GIVES OFF AN ARTERY CROSSES THE PANCREAS
PYLORIC ARTERY:
ORIGIN: ARISE FROM DUOENUM AND GIVES OFF ITS BRANCHES
TO PYLORUS.
GASTRO-DUODENAL ARTERY:
ORIGIN: IT ALSO ARISE FROM DUODENUM
IT ALSO GIVES TWO BRANCHES.
RIGHT GASTRO EPIPLOIC ARTERY:
IT SUPPLIES STOMACH AND DUODENUM
PANCREATIC-DUEDENAL ARTERY:
IT SUPPLIES PANCREAS AND DUEDENUM
12. SPLENIC ARTERY:
LARGEST BRNCH OF CORLIAC ARTERY.
IT PASSES THE LEFT EXTRIMITY OF PANCRAS AND
CROSS THE STOMACH.
IT GIVES OFF
PANCREATIC BRANCHES:
SUPPLIES: THEY SUPPLIES THE LEFT EXTRIMITY OF
PANCREAS
SPLENIC BRANCHES:
SUPPLIES: THEY SUPPLIES THE SPLEEN
SHORT GASTRIC BRANCHES:
SUPPLIES:IT SUPPLIES YHE GREATER CURVATURE
OF STOMACH
LEFT GATRO EPIPLOIC ARTERY:
IT IS CONTINUATION OF SPLENIC ARTERY
SUPPLIES:IT SUPPLIES THE GREATER CURVATURE
OF STOMACH
13. (2) ANTERIOR MESENTRIC
ORIGIN:
ARISE FROM VENTERAL FACE OF
AORTA AT FIRST LUMBER
VERTEBRA.
IT IS LARGE UNPAIRED TRUNK IT
PASSES VENTERALLY BETWEEN
VANA CAVA AND ADRENAL
IT GIVES OFF BRANCHES…..
14. LEFT BRANCH:
IT GIVES OFF 15-20 BRANCHES OF
SMALL INTESTINE
RIGHT BRANCHES:
IT GIVES OFF SMALL BRANCHES
ILEAL: IT PASSES THE TERMINAL
PART OF ILEUM
LATERAL COCCYGEAL ARTERY: IT
PASSES BETWEEN COECUM AND
ORIGIN OF COLON
MEDIAL COCCYGEAL ARTERY: IT
PASSES ALONG THE APEX OF COECUM
15. VENTERAL COLIC ARTERY: IT
PASSES THE VENTERAL SURFACE
OF COLON WHERE IT UNITES WITH
DORSAL COLIC ARTERY
ANTERIOR BRANCHES :IT GIVES
OFF
DORSAL COLIC ARTERY: IT PASSESS
THE GREATER COLON AND JOINS
THE VENTERAL COLIC ARTERY
MEDIAL COLIC ARTERY: IT PASSES
THE SMALL COLON AND ENTER THE
COLIC MESENTRY
16. RENAL
RIGHT & LEFT ARE RELATIVELY LARGE
NESSELS WHICH ARISES FROM AORTA
NEAR THE ANTERIOR MESENTRIC.
RIGHT ARTERY: IT IS LONGER OF THE
TWO;
IT CROSS THE DORSAL SURFACE OF
VENA CAVA
AT RENAL HILUS IT DIVIDES INTO
SEVERAL BRANCHES
LEFT ARTERY: IT IS SHORTER;
IT PASSES DIRECTLY OUTWARD TO THE
KIDNEY
SOME CO-LATERAL BRANCHES SUPPLIED
& UTERUS , PERITONIAL FAT, RENAL
LYMPH GLAND & ADRENAL
17. (4)POSTERIOR MESENTRIC
IT IS AN UNPAIRED VESSEL WHICH ARISES FROM
VENTRAL SURFACE OF AORTA AT THE 4TH
LUMBER VERTEBRA.
IT SUPPLIES THE SMALL COLON & RECTUM
ANTERIOR BRANCH
POSTERIOR BRANCH
(5)INTERNAL SPERMATIC/UTERO-OVARIAN
IT ARISES FROM AORTA NEAR THE POSTERIOR
MESENTRIC & SUPPLY THE TESTICLE AND
EPIDIDYMUS.
EACH PASSES BACKWARD IN A NARROW FOLD OF
PERITONIUM TO THE INTRNAL INGUANUL RING &
DESENDS THOUGH INGUINAL CANAL TO THE
SACROTUM.
18. THE UTERO-OVERIAN ARTRIES:
IN THE FEMALE IT DIVIDES INTO
OVERIAN---supplies overies
UTERINE BRANCHES---supplies uterus
LUMBER ARTRIES: SIX ARTRIES OF
LUMBER ARTERIES ;
FIVE PAIR ARISES FROM AORTA
6TH PAIR ARISES FROM INTERNAL
ILIAC
19. EACH PASSES ACROSS THE BODY OF
LUMBER VERTEBRA TO THE
INTERTRANSVERSE SPACE GIVES THE
BRANCHES TO THE SUB_LUMBER
MUSCLES DIVIDES INTO
DORSAL BRANCHES
VENTRAL BRANCHES
20. THE INTERNAL ILIAC ARTERY:
INTERNAL ILIAC OR HYPOGASTRIC
ARTTRIES RESULTS FROM THE
BIFURCARTION OF THE AORTA UNDER
THE 5TH OR 6TH LUMBER VERTEBRA
CHIEF BRANCHES
LUMBER ARTERIES
INTERNAL PUDIC ARTERY
LUMBER ARTERIES: IT PASSES
THROUGH THE FORAMIN AT THE
JUNCTION OF THE LAST LUMBER
VERTEBRA & SACRUM.
21. INTERNAL PUDIC ARTERIES: IT ARISES FROM
THE INTERNAL ILIAC .
ITS CHIEF BRANCHES
UMBELICAL ARTERIES:
ORIGIN: IT PASSES THROUGH THE UMBLICAL
OPENNING & BECOMES COOMPONENT OF THE
UMBLICAL CORD.
SUPPLIES: IT GIVES OFFSMALL VESSICAL
BRANCHES TO THE BLADDER & PROSTATE &
DUCTUS DEFRENS.
MIDDAL HEAMORRHOIDAL ARTERY:
ORIGIN: MALE__IT ARRISES FROM NEAR THE
PROSTATE
SUPPLIES: MALE__IT SUPPLIES
RECTUM,BLADDER,URETHRA& ACCESORRY
GENITAL
GLAND
FEMALE__IT GIVES SUPPLIES TO THE UTERUS
22. PERINEAL ARTERY:
ORIGIN: IT DESSENDS FROM ANUS
SUPPLIES: IT SUPPLIES THE BULBO
CAVERNOSUS MUSCLES & SKIN OF
PERINEUM
FEMALE__IT SUPPLIES THE
VESTIBLAR BULB
ARTERY OF BULB:
ORIGIN: IT IS CONTINUATON OF
INTERNAL PUDIC ARTERY IN MALE
SUPPLIES: IT SUPPLIES THE
URETHRA
23. ARTERY OF CLITORIS:
ORIGIN: VENTRAL SURFACE OF
VALVA
SUPPLIES: IT SUPPLIES TO THE
CLITORIS
24. 3.LATERAL SACRAL ARTERY
ARISE FROM LUMBO SACRAL ARTERICULATION.
ITS BRANCHES ARE
SPINAL BRANCHES:
IT ENTERS THE SACRAL FORAMEN
IT GIVES BRANCHES TO SPINAL CORD
MIDDLE COCCYGEAL ARTERY:
ORIGIN: ARISE FROM RIGHT AND LEFT LATERAL
SACRAL OR FROM LATERAL COCCYGEAL ARTERY
SUPPLIES: IT SUPPLIES THE SKIN AND MUSCLES OF
TAIL
25. POSTERIOR GLUTEAL ARTERY
ORIGIN:IT ARISE FROM UPPER PART
OF SACRO-SCIATIC LIGAMENT
SUPPLIES: IT SUPPLIES THE MUSCLES
OF HIND LIMB
1.SEMITENDINOUS
2.SEMII-MEMBRANOUS
3.SUPERFICIAL GLUTEOUS
(d) LATERAL COCCYGEAL ARTERY:
IT SUPPLIES THE SKIN AND MUSCLES
OF TAIL.
26. 4. ILIO-LUMBER ARTERY
ORIGIN:ARISE FROM INTERNAL ILIAC
SUPPLIES: ITGIVES BRANCHES TO ILEOPSOAS
MUSCLE AND LONGISSIMUS
5.ANTERIOR GLUTEAL ARTERY:
ORIGIN: ARISE FROMGREATER SCAITIC
FORAMEN
SUPPLIES:IT SUPPLIES THE GLUTEAL MUSCLES
6.ILIACO-FEMORAL ARTERY:
ORIGIN: ITPASSES BETWEEN SHAFT OF ILEUM
AND THE GLTEUS MEDIUS DORSALLY
SUPPLIES: IT SUPPLIES THE NUTTENT ARTERY
OF ILEUM
27. 7. OBTURATER ARTERY:
ORIGIN: IT ARISE FROM THE
OBTURATER FORAMEN BEHIND THE
OBTURATER EXTERNUS
SUPPLIES: IT SUPPLIES THE
ADDUCTER
SEMI-MEMBRANOUS
BICEPS
SEMI-TENDINOUS