Cavities, Terminology, cells, tissue & organs Flashcards Preview

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Flashcards in Cavities, Terminology, cells, tissue & organs Deck (39)
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1

what are Cells

Cells are the basic building blocks of all living things with exception of viruses.
68kg adult has 100 trillion cells

2

what is Tissue

Body tissue is a combination of cells (organic) and intercellular (inorganic) material matrix which function together to perform a specialised activity.

3

4 types of Tissue

Epithelial (lines cavities and surfaces)
Connective
Nervous
Muscle

4

what are Organs

Organs are a combination of tissues forming a structure which carries out a specific specialised function. e.g. heart, brain, lungs & liver.

5

what is a System

A system is a group of structures or organs which work together to carry out essential specialised functions. e.g skeletal, respiratory, cardiovascular & urinary.

6

what are Glands

Glands develop from epithelial tissue and have the ability to manufacture substances from materials brought by the blood. e.g. thyroid, sweat, adrenal, pituitary.

7

what is a Body Cavity

any of the spaces in the human body that contain organs.

8

3 main Body Cavities

Cephalic (head)
Thoracic (chest)
Abdominal-pelvic (abdomen & pelvis)

9

contents of Cephalic Cavity

Cranium contains:
Brain, origins of cranial nerves, inner and middle ears, major blood vessels.
eyes and orbits
nasal cavities
oral cavity.

10

contents of Thoracic Cavity

Lungs
Heart
Oesophagus
Major blood vessels

11

contents of the Abdominal-Pelvic Cavity

Stomach & Duodenum
small & large Intestines
Liver & Gall Bladder
Kidneys & Ureters
Spleen
Pancreas
Major Blood Vessels
Bladder
Urethra
Rectum
Reproductive Organs
Major Blood Vessels

12

superior

above

13

inferior

below

14

lateral

away from the mid-line of the body

15

medial

towards mid-line of the body

16

posterior

behind point of reference

17

anterior

in front of point of reference

18

proximal

nearest point of attachment

19

distal

furthest from point of attachment

20

prone

lying flat - face down

21

supine/recumbent

lying flat - face up

22

semi-recumbent

lying face up - back raised

23

upright

lying face up - back vertical

24

fowler

semi-recumbent with knees raised

25

recover/stable-side

3/4 prone - supported by leg & arm

26

apnoea

absence of breathing

27

cardiac

relating to the heart

28

cerebral

relating to the brain

29

cranial

relating to the skull

30

dyspnoea

difficulty in breathing