Chapter 05 - Body Structure

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1

cephal/o

head

Ex. megacephaly
abnormal largeness of the head

2

cervic/o

neck

Ex. cervicofacial
pertaining to the neck and face

3

thorac/o

chest, thorax

Ex. thoracotomy
incision (-tomy) into the chest

4

abdomin/o

abdomen

Ex. intra-abdominal
within the abdomen

5

celi/o

abdomen

Ex. celiocentesis
surgical puncture (centesis) of the abdomen

6

lapar/o

abdominal wall

Ex. laparoscope
instrument (-scope) for viewing the peritoneal cavity through the abdominal wall

7

lumb/o

lumbar region, lower back

Ex. thoracolumbar
pertaining to the chest and lumbar region

8

periton, peritone/o

peritoneum

Ex. peritoneal+
pertaining to the peritoneum

9

acro

extremity, end

Ex. acrocyanosis
bluish discoloration of the extremities

10

brachi/o

arm

Ex. antebrachium
forearm

11

dactyl/o

finger, toe

Ex. polydactyly
having more than the normal number of fingers or toes

12

ped/o

foot

Ex. pedometer
instrument that measures footsteps

13

pod/o

foot

Ex. podiatric
pertaining to study and treatment of the foot

14

circum-

around

Ex. circumoral
around the mouth

15

peri-

around

Ex. periorbital
around the orbit (eye socket)

16

intra-

in, within

Ex. intravascular
within a vessel (vascul/o)

17

epi-

on, over

Ex. epithelial
referring to epithelium, tissue that covers surfaces

18

extra-

outside

Ex. extrathoracic
outside the thorax

19

sub-

below, under

Ex. sublingual
under the tongue (lingu/o)

20

inter-

between

Ex. intercostal
between the ribs (cost/o)

21

juxta-

near, beside

Ex. juxtaposition
a location near or beside another structure

22

para-

near, beside

Ex. parasagittal
near or beside a sagittal plane

23

retro-

behind, backward

Ex. retrouterine
behind the uterus

24

supra-

above

Ex. suprapatellar
above the patella (kneecap)

25

infra-

below

Ex. Infrascapular
below the scapula (shoulder blade)

26

abdominal cavity

The larger ventral cavity below the diaphragm and above the pelvic cavity

27

abdominopelvic cavity

The larger ventral cavity between the diaphragm and pelvis that includes the abdominal and pelvic cavity

28

anatomic position

Standard position for anatomical studies, in which the body is erect and facing forward, the arms are at the sides with palms forward, and the feet are parallel

29

cranial cavity

The dorsal cavity that contains the brain

30

diaphragm

The muscle that separate the thoracic from the abdominal cavity

31

frontal (coronal) plane

Plane of section that separates the body into anterior (front) and posterior (back) portions

32

pelvic cavity

The ventral cavity that is below the abdominal cavity

33

peritoneum

The large serous membrane that lines the abdominopelvic cavity and cover the organs with it

34

sagittal plane

Plane that divides the body into right and left portions

35

spinal cavity (canal)

Dorsal cavity that contains the spinal cord

36

thoracic cavity

The ventral cavity above the diaphragm; the chest cavity

37

transverse (horizontal) plane

Plane that divides the body into superior (upper) and inferior (lower) portions

38

digit

A finger or toe (adjective, digital)

39

epigastrium

The epigastric region

40

fundus

The base or body of a hollow organ; the area of an organ farthest from its opening

41

hypochondrium

The hypochondriac region (left or right)

42

lumen

The central opening within a tube or hollow organ

43

meatus

A passage or opening

44

orifice

The opening of a cavity

45

os

Mouth; any body opening

46

septum

A wall dividing two cavities

47

sinus

A cavity, as within a bone

48

sphincter

A circular muscle that regulates an opening

49

LLQ

Left lower quadrant

50

LUQ

Left upper quadrant

51

RLQ

Right lower quadrant

52

RUQ

Right upper quadrant

53

Anatomical Position

Body upright
Facing front
Arms at side, palms forward
Feet parallel