Body Planes & Sections (Definitions) Flashcards

1
Q

Section

A

Cut

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2
Q

Plane

A

Imaginary line

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3
Q

Sagittal section

A

Cut along the lengthwise plane of the body → left and right parts

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4
Q

Median (midsagittal) section

A

Lengthwise cut which results in equal left and right parts

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5
Q

Parasagittal section

A

Lengthwise cut which results in unequal left and right parts

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6
Q

Frontal section; coronal section

A

Cut along a lengthwise plane that divides the body into anterior and posterior parts

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7
Q

Transverse section; cross section

A

Cut along a horizontal plane, dividing the body into superior and inferior parts

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8
Q

Dorsal body cavity

A

Space along the posterior of the body from the cranial cavity to the spinal cavity

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9
Q

Cranial cavity

A

Space inside the body skull

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10
Q

Spinal cavity

A

Space which extends from the cranial cavity nearly to the end of the vertebral column

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11
Q

Ventral body cavity

A

Spaces along the anterior of the body

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12
Q

Thoracic cavity

A

Space within the chest, protected by the ribcage

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13
Q

Diaphragm

A

Sheet of internal skeletal muscle which extends across the bottom of the thoracic cavity

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14
Q

Mediastinum

A

Central region which separates the lungs into right and left cavities in the thoracic cavity

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15
Q

Abdominopelvic cavity

A

Cavity inferior to the diaphragm

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16
Q

Abdominal cavity

A

Area inferior to the thoracic cavity in the body containing organs such as the stomach, small intestine, colon, kidneys, and bladder

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17
Q

Pelvic cavity

A

Space inferior to the abdominal cavity bounded by the pelvic bones

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18
Q

Quadrants

A

Four, more or less, equal regions which divides the abdominopelvic cavity

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19
Q

Umbilical region

A

Centermost area, deep to and surrounding the umbilicus (navel)

20
Q

Epigastric region

A

Area located superior to the umbilical region

21
Q

Hypogastric (pubic) region

A

Area inferior to the umbilical region

22
Q

Right and left iliac (inguinal regions)

A

Area lateral to the hypogastric region (iliac - superior part of the hip bone); area joining the thighs to the pelvis

23
Q

Right and left lumbar regions

A

Areas lateral to the umbilical region

24
Q

Right and left hypochondriac regions

A

Areas that flank the epigastric region and contain the lower ribs

25
Q

Oral and digestive cavities

A

Space from the inside of the mouth to the digestive organs and down to the anus

26
Q

Nasal cavity

A

Located within and posterior to the nose

27
Q

Orbital cavities

A

Space in the skull which houses the eyes and presents them in an anterior position

28
Q

Middle ear cavities

A

Space carved into the skull which lie just medial to the eardrums

29
Q

Axillary

A

Underarms

30
Q

Femoral

A

Thigh region

31
Q

Gluteal

A

Bum area

32
Q

Cervical

A

Neck region

33
Q

Antecubital

A

Anterior aspect of the elbow

34
Q

Inguinal

A

Area where the trunk meets the thigh

35
Q

Buccal

A

Pertaining to the cheek

36
Q

Anterior

A

Nearer or to the front of the body

37
Q

Lateral

A

Away from the midline

38
Q

Inferior

A

Away from the head

39
Q

Posterior

A

Back of the body

40
Q

Medial

A

Towards the midline

41
Q

Superior

A

Towards the head

42
Q

Pleural

A

Holds lungs

43
Q

Adduction

A

To add; towards the body

44
Q

Abduction

A

To take away; away from the body

45
Q

Deep

A

Further into the body

46
Q

Superficial

A

Closer to the exterior or surface of the body; farther away from the inside of the body