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ANATOMY EXAM 1 > Class 1 : Terms & Positions > Flashcards

Class 1 : Terms & Positions Flashcards

1
Q

Define anatomy.

A

Anatomy is the study of the body’s internal and external structures and the physical relationship between them. It uses an international language.

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2
Q

Name the different divisions of anatomy (6).

A
  1. Gross anatomy
  2. Histology
  3. Embryology
  4. Surface anatomy
  5. Clinical (Applied) anatomy
  6. Radiological anatomy
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3
Q

What are the two ways to study gross (macroscopic) anatomy ?

A
  1. Regional anatomy : the study of all structures (blood vessels, nerves, muscles) located in a particular region of the body (e.g. upper limb, lower limb, neck…)
  2. Systemic anatomy : the study of the body structures as they present in individual systems (CV system , musculoskeletal system…)
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4
Q

Define Embryology & Surface anatomy.

A
  1. Study of dev. changes that occur before birth
  2. Study of internal organs as they relate to the overlying skin
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5
Q

Define Clinical Anatomy & Radiological Anatomy

A
  1. Emphasizes structures of functions that are relevant clinically by incorporating regional and systemic approches of gross anatomy (eg. Wrist drop)
  2. Study of body structures by using radiological images
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6
Q

Describe the anatomical position

A

It is the standard reference position of the body.

  • Standing up feet together
  • Eyes opened, fixing something in front
  • Mouth closed, neutral expression
  • Hands by the side of the body, palm facing front, fingers together and thumbs turned 90 degrees to pad of fingers
  • Toes point forward
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7
Q

Describe body/anatomical planes

A

Sagittal : vertically cuts you into right and left sections

Median/midsagittal : passes in the center of body

Paramedian/parasagittal : parallel and near median plane, but cuts you in unequal right and left sections.

Coronal (frontal) : cuts you from front to back part

Horizontal : virtually divides you in top and bottom part

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8
Q

What are the different anatomical sections

A
  1. Longitudinal : runs lengthwise or parallel to long axis of the body or any of his parts regardless of the position of the body (Eg. Median, Sagittal and Coronal planes are the standard longitudinal sections).
  2. Transverse : slices of the body that are cut at right angles to the longitudinal axis of the body or any of its parts) **foot
  3. Oblique : slices of the body that are not cut along the previously listed anatomical planes, instead are cut at slanted direction.
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9
Q

Note that :

A

Many radiographic images and anatomical sections do not lie precisely in sagittal, frontal or transverse planes ; often they are slightly oblique.

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10
Q

Define the following directional terms : superior and inferior

A

Superior (Cranial or Cephalic) : towards the head

  • Cranial specifically relates to cranium

Inferior (Caudal) : away from the head or towards the lower part of a structure

  • Caudal relates to feet or tail region
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10
Q

Define these directional terms : Anterior and Posterior

A

Anterior (Ventral) : towards the front of the body or in front of

Rostral is used when referring to anterior part of the brain

Posterior (Dorsal) : towards the back of the body or behind

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11
Q

What word is used when describing anterior parts of the brain

A

Rostral

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12
Q

Describe the following directional terms : Lateral, Medial, Proximal and Distal

A

Lateral : away from the median plane

Laterally means : moving away from the midline towards the side of the body

Medial : close to the median plane

Medially means : moving from the side of the body to the midline

Proximal : Closer to the origin of the body part or near the point of attachment of limb to body truck (depends on point of ref) - e.g. knee is proximal to feet

Distal : Away from the origin of the body part or away from the point of attachment of limb to the body trunk (e.g. knee is distal to hip

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13
Q

Define the following directional terms that relate to hand/feet : Dorsum, Sole and Palm

A

Dorsum : refers to the superior aspect of any part that protrudes anteriorly from the body (foot, tongue, penis, nose) as well as the hand

Sole: refers to the inferior aspect of the foot, opposite to dorsum

Palm : refers to the anterior aspect of the hand opposite to the dorsum

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14
Q

Describe the following directional terms :

Supine & Prone

A

Supine : lying horizontally w/ face and torso facing up

Prone : lying horizontally w/ the face and torso facing down

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15
Q

Describe the following directional terms :

Bilateral, Unilateral, Ipsilateral, Contralateral

A

Bilateral : Same body structure that occurs on both side of the body (eg eyes, kidneys, testis)

Unilateral : body structure that occurs only on one side of the body (e.g. spleen)

Ipsilateral : two different structures that occur on the same side of the body (e.g. gallbladder and appendix)

Contralateral : 2 different structures that occur on opposite sides of the body (e.g. liver and spleen)

16
Q

Describe the following directional terms :

Superficial, Intermediate and Deep

A

Describe position of structures relative to the surface of the body or relationship of one structure to another underlying or overlying structure.

Deep : Away from the surface of the body

Superficial : close to the surface of the body

Intermediate : between superficial and deep

17
Q

Describe the following directional terms :

External, Internal

A

External : means outside of or further away from the center of cavity

Internal : Means inside or closer to the center

E.g. Skin covers the nose (it is external) while the mucous membrane is internal

18
Q

BODY MOVEMENTS : describe flexion and extension.

A

Flexion : bending or decreasing the angle between bones or parts of the body

Extension: indicates straightening or increasing the angle between bones or body parts

19
Q

BODY MOVEMENTS : Abduction and Adduction

A

Abduction : moving the limb away from midline of body

Adduction : moving limb towards midline of body

20
Q

BODY MOVEMENTS : CIRCUMDUCTION VS ROTATION

A

Circumduction : combination of flexion, abduction, extension and adduction carried out in a sequence in such a way that the distal end of the part moves in a circle.

Rotation : Turning or revolving a part of the body around its longitudinal axis

Medial (internal rotation) : brings the anterior surface of a limb closer to the median plane

Lateral (external rotation) : takes the anterior surface away from the median plane

21
Q

BODY MOVEMENTS : Opposition, Pronation & Supination

A

OPPOSITION : Pad of the thumb is brought to another digit pad (e.g. pinching)

PRONATION : rotating the radius medially so that the palm of the hand faces posteriorly - related to the forearm and hand (e.g. placing the palms flat on the table)

SUPINATION : rotating the radius laterally and uncrossing it from the ulna, returning the pronated forearm in the anatomical position

22
Q

BODY MOVEMENTS : Dorsiflexion vs Plantarflexion

A

DORSIFLEXION : pointing the toes up towards the leg at the ankle joint

PLANTARFLEXION : Bending of foot and toes towards the ground such as when you are pointing your toes and or standing on your toes

23
Q

BODY MOVEMENTS : Inversion vs Eversion

A

Inversion : movement of the foot so that the sole faces in a medial direction

Eversion: movement of the foot so that the sole of the foot faces in a lateral direction

24
Q

BODY MOVEMENTS : PROTRUSION, RETRUSION, PROTRACTION AND RETRACTION

A

PROTRUSION : moving anteriorly - refers specifically to the jaw

RETRUSION: moving posteriorly - referes specifically to the jaw

PROTRACTION : movement anteriorly - refers specifically to the shoulder blade (scapula)

RETRACTION ; to move posteriorly - refers specifically to the scapula

25
Q

BODY MOUVEMENTS : Elevation & Depression

A

ELEVATION : Raises or moves a part superiorly

DEPRESSION : Lowers or moves a part inferiorly

ANATOMY EXAM 1 (7 decks)

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