General anatomy 2 - manavrachna.edu.in · General anatomy 2. anatomical position and body planes...
Transcript of General anatomy 2 - manavrachna.edu.in · General anatomy 2. anatomical position and body planes...
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General anatomy 2
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anatomical position and body planes
Anatomical position
all descriptions in the form of body refers to anatomical position of body where in:
• individual is standing upright
• With the upper limbs hanging by the sides
• And the palm of the hands directed forwards
• with head , eyes and toes directed forwards
• And the lower limbs are parallel with the toes pointing forwards.
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supine position
• Lying down with face directed upwards
Prone position
• Lying down with the face directed downwards.
lithotomy position
• Lying supine with the buttocks at the edge of table
• Hips and knees fully flexed
• And the feet strapped in position
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superior or cephalic (towards head )
• Position of a part that is nearest the head of a supposedly upright body .
inferior
• nearer the feet
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Terms of relation
anterior-• ventral or in front i.e nearest to front surface of the body.
posterior-• dorsal or behind i.e nearer to back surface of body.
Medial • Nearest to median plane of body
Lateral• Away from median plane of body
Ventral and dorsal • Used instead of anterior and posterior in the trunk.• In hand dorsal ---- posterior ,palmer---- anterior.• In foot superior surface of foot—dorsum of foot,• inferior surface of foot ----planter .
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Anatomical planes
• median or midsaggital plane;----divides into right and left halves.
• Saggital plane: plane parallel to median plane.• Coronal plane : plane at right angle to median
plane.• Trasverse plane :plane at right angles to a vertical
plane.• Horizontal plane :plane parallel to ground.• Oblique plane :any plane other than the
abovesaid planes.
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terms for limbs :• proximal –nearer to trunk• distal ----away from trunk• Radial ----outer border of upper limb • ulnar ---inner border of upper limb• tibial --- inner border of lower limb• fibular---outer border of lower limb.• preaxial border—outer border of
upperlimb,inner border of lower limb.• postaxial border--
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• flexor surface-• extensor surface-• palmer surface• planter surface• terms used for hollow organs—• interior • exterior• Invagination or inward protrusion• evagination or outer protrusion.
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• for solid organs-
• superficial- towards surface
• deep--- inner to the surface.
terms to indicate side
• Ipsilateral---or same side
• contralateral---of opposite side.
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Terms for movement
• flexion—approximation of flexor surfaces,whereby angle of joint is reduced.likedorsiflexion , planterflexion.
• extension---approximation of extensor surfaces,where angle of joint is increased.
• adduction---movement towards the central axis ,
• abduction– movement away from central axis i.e part is moving away from central plane.
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• medial rotation- inward rotation. • lateral rotation – outward rotation• circumduction- is all the above four movements in an
order.• pronation- rotation of forearm so palm is tuned
backwards .• supination—• protraction—forward protrusion• retraction• inversion’ –sole of foot faces medially• eversion.
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mcq
1) A plane at right angle to a vertical plane is called---A) transverse planeB) coronal planeC) saggital planeD) horizontal plane
2) outer border of upper limb is called---A) post axial borderB) preaxial borderC) medial borderD) none of above
3) Rotation of forearm so that the palm is turned forwards is as---a) pronationb) Supinationc) protractiond) retraction
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• Lying down position with face directed down is called as---
A) supine position
b) prone
C)anatomical position
d) lithotomy position