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Slideshow: Hands and Arms

The Circulation of the Hand

#387, Slide 18 of 71

6 weeks, 6 days

Buy NowFrom The Biology of Prenatal Development.

Note:

The arterial supply of the hand found in the fetus, newborn, and adult is established in the embryonic period. The superficial palmar arch is an artery which receives its blood supply from the ulna artery and the superficial palmar branch of the radial artery.

Note:

Each palmar digital artery travels between the digital rays in the 7-week embryo (metacarpal bones in the fetus, newborn, and adult) and divides into two digital arteries supplying oxygenated blood to two adjacent digits (fingers).

Label Key:

  • 1. right eye
  • 2. tips of digital rays
  • 3. palmar surface of the right hand
  • 4. palmar digital artery
  • 5. superficial palmar arch
  • 6. liver
  • 7. forehead
  • 8. nasal prominence
  • 9. nipple
  • 10. heart
  • 11. location of diaphragm

All ages referenced to fertilization, not last menstrual period.
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Right Upper LimbHead, Heart, and LiverUpper and Lower Limb BudsThe Lower Limbs and BackHand Plate and Vital OrgansLeft Hand Plate and WristPolygon-Shaped Right HandHead and Left HandThe Face and TrunkThe Hand in MotionLeft Eye and HandLeft Hand and Vital OrgansBack of the Right HandRight Hand and NippleThe Heart and BrainLeft Hand and Left EyeThe Hand, Chest, and LiverThe Circulation of the HandThe Heart and HandHand, 7 Weeks PregnantThe Right HandFingers and NotchesHands TouchingHand in MotionLeft Hand, Upper & Lower JawRight Eye, Hand-Face ContactHands and FingersFingertips and AbdomenRight Hand and ForearmHand Meets Hand and FaceRight Hand & EyeReaching Out, Left HandThe Right HandThe Fingertips of the Right HandThe Right HandThe Left Arm in MotionArteries of the HandThe Right HandThe Open Left HandFingers Moving Side to SideThe 10-Week FetusThe ThinkerHolding up the HeadRight Index Finger on the MoveI am Pointing!Holding the FeetLeft Knee and Hip FlexionHand Near MouthBowel Herniation ResolvedExit Stage LeftShoulder and Upper ArmPalm of the Right HandJoints of the Fingers The Left Hand and NoseLeft HandThe HandsTouching ThumbsFingertips of Right HandPartially-Closed Left HandFingertipsPalmar Surface of Right HandTurning and RelaxingThe Turn is CompleteStill HidingThe Face and FistHolding the Umbilical CordSeeking PrivacySee My Elbows!Not Amniotic Fluid Again!Hiding Behind a HandExpressions
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