Anatomy Block 2: 2A Study Guide

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1
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What is the black area region referring to?

Gastroesophageal junction (Z-line)

2
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What is this area called?

Gastric folds (rugae)

3
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Pyloric sphincter

4
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What is the green circle referring to?

Major duodenal papilla

5
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What is the red arrow pointing to?

Main pancreatic duct (which links with major duodenal papilla)

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What is the inner area referring to?

Circular folds of small intestine

7
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What is the arrow pointing to?

Ileocecal valve

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What are the green lines referring to?

Semilunar folds of colon

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What is the green area referring to?

Haustra

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What is the probe pointing to?

Superior mesenteric artery (descends anterior to the duodenum and branches right colic artery and middle colic artery)

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What is the probe referring to?

Arterial arcades (they're loops)

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What is the probe touching?

Straight arteries (vasa recta)

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What is the probe pointing to?

Right colic artery

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What is the probe referring to?

Middle colic artery (supplies blood to transverse colon)

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What is the vasculature that is seen going around the colon to supply blood?

Marginal artery

16
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What is the probe referring to?

Inferior mesenteric artery (branches left colic artery, several sigmoid arteries, and superior rectal artery)

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What is the arrow pointing to?

Left colic artery

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What is the probe pointing to?

Superior rectal artery (comes from the inferior mesenteric artery)

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What is the probe pointing to?

Superior mesenteric vein (runs to the right of the superior mesenteric artery)

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What is the probe pointing to?

Inferior mesenteric vein (branches from splenic vein which branches from portal vein)

21
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What is the arrow pointing to?

Superior rectal vein

22
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What is the probe touching?

Greater splanchnic nerve

23
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What are the arrows referring to? And what surrounds it?

Celiac ganglion. Celiac plexus surrounds it

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What is the probe pointing to?

Lumbar sympathetic trunk

25
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What is the parietal peritoneum?

Lines the walls of the abdominal and pelvic cavities

26

What is the transversalis fascia?

Thin layer of fascia that lines transversus abdominis muscle

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What surrounds the kidney and vessels of the kidney?

Perirenal adipose

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What is the probe pointing to?

Left suprarenal gland (located on the anterior and medial surface of the kidney)

Right suprarenal gland is found posterior to the IVC

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What are the arrows pointing to?

Right and left kidney

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What is the edge pointing to?

Renal capsule

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What area are the black arrows referring to?

Renal hilum

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What is the probe pointing to?

Renal cortex

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What layer is the purple bracket referring to?

Renal medulla

34
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What is the probe pointing to?

Renal column (in between renal medulla)

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What is the probe pointing to?

Renal pyramid

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What are the green areas referring to?

Renal papilla

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What is the probe pointing to?

Minor calyx (drains a single papilla)

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What is the probe pointing to?

Major calyx (drains multiple calyces)

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What is the probe pointing to?

Renal pelvis (what the major calyx drains into)

40
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What is the red area referring to?

Iliac crest

41
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What is the arrow pointing to?

Caval hiatus of diaphragm (IVC goes through this)

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What is the black arrow pointing to?

Esophageal hiatus

43
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What is the arrow pointing to?

Aortic hiatus

44
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What is the black arrow pointing to? What about the blue arrow?

Black arrow: left crus of diaphragm

Blue arrow: right crus of diaphragm

45
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What are the arrows pointing to?

Median arcuate ligament

46
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What is the probe pointing to?

Psoas major muscle

47
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What is the green area?

Psoas minor muscle

48
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What is the orange arrow pointing to?

Quadratus lumborum muscle

49
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What is the purple area?

Iliacus muscle

50
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What are the blue arrows pointing to?

The right and left common iliac artery

51
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What are the arrows pointing to?

Right and left renal arteries (go to abdominal aorta)

52
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What are the arrows pointing to?

Suprarenal arteries on the right side

There are suprarenal arteries on the left side as well, they are small arteries that are above the renal artery supplying blood to suprarenal gland

53
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What is the pink area referring to?

Right and left ovarian artery in women or testicular artery in men (longest artery in that region)

54
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What are the number 5's referring to?

Lumbar arteries

55
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What are the arrows referring to?

Right and left renal veins (going to IVC)

56
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What is the arrow pointing to?

One of the left suprarenal veins, there are multiple suprarenal veins on each side and they connect with the IVC and drain the suprarenal gland

57
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What is the blue area referring to?

Right and left ovarian vein in women or testicular vein in men

58
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What is the green area referring to?

Ureters

59
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What is the yellow area referring to?

Subcostal nerve

60
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What is the probe touching?

Iliohypogastric nerve (goes into transversus abdominis)

61
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What is the probe touching?

Ilioinguinal nerve

62
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What is the yellow area referring to?

Lateral femoral cutaneous nerve

63
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What is the arrow pointing to?

Femoral nerve (lateral to femoral artery)

64
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What is the yellow area referring to?

Genitofemoral nerve (pierces through psoas muscle)

65
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What is the probe touching?

Obturator nerve

66
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What is this?

Os coxa

67
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What is the red area?

Ilium

68
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What is the red area?

Iliac crest

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What is the red area?

Posterior superior iliac spine

70
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What is being pointed to?

Anterior superior iliac spine

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What is the blue part?

Anterior inferior iliac spine

72
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What is the red area?

Great sciatic notch

73
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What is the blue pin in?

Ischium

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What is the red area?

Ischial tuberosity

75
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What is the red area?

Ischial spine

76
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What is the green area?

Lesser sciatic notch

77
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What is the red area?

Pubic bone

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What is the blue area?

Pubic symphysis

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What is the green area?

Pubic crest

80
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What is the green area?

Pubic tubercle

81
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What is the highlighted area?

Obturator foramen

82
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What is this region?

Acetabulum

83
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What is the red area?

Sacroiliac joint

84
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What is the arrow pointing to?

Sacrotuberous ligament

85
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What is the arrow pointing to?

Sacrospinous ligament

86
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What is the blue arrow pointing to? Red arrow?

Blue arrow: Greater sciatic foramen

Red arrow: Lesser sciatic foramen

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What is the yellow area?

Sacrum

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What is the green area?

Sacral promontory

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What is the green area?

Ventral sacral foramina

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What is the red area?

Coccyx

91
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What is the red area? What is the green area?

Red: Pelvic inlet

Green: Pelvic outlet

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What is the area in the circle?

Pelvic diaphragm

93
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What is the green area?

Levator ani

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What are the black arrows pointing to?

Ischiococcygeus muscle

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What muscle is shown in this image?

Obturator internus

96
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What muscle is shown in this image?

Piriformis muscle

97
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What is the arrow pointing to?

Rectum

98
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What is the probe pointing to?

Ureter

99
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What is the black arrow pointing to?

Urinary bladder

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What is the orange arrow pointing to?

Ureteric orifice

101
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What are the blue arrows pointing to?

What is the black arrow pointing to?

Blue arrow: ureteric orifice

Black arrow: internal urethral orifice

102
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What is the arrow pointing to?

Rectovesical pouch

103
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What is the red area referring to?

Seminal vesicle

104
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What is being pointed to?

Prostate

105
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What is being held and pointed to?

Ductus deferens

106
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What is the green area?

Prostatic urethra

107
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What is the arrow pointing to?

Vaginal canal

108
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What is the arrow pointing to?

Vaginal fornix

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What is the arrow pointing to?

Uterus

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What are the arrows pointing to?

Uterine cervix

111
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What is the arrow pointing to?

External os of cervix

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What are the arrows pointing to?

Ovaries

113
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What is the green area?

Ovarian suspensory ligament

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What is the probe pointing to?

Fimbriae (which is connected by the fallopian tube)

115
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What is the bracketed area?

Ampulla

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What is the red arrow pointing to?

Isthmus

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What is the black arrow pointing to?

What is the blue arrow pointing to?

Black arrow: round ligament

Blue arrow: broad ligament

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What is the black arrow pointing to?

What is the yellow arrow pointing to?

Black arrow: rectouterine pouch

Yellow arrow: vesicouterine pouch