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CMB2007 - Anatomy > Topic 1 - Introduction to Anatomy > Flashcards

Topic 1 - Introduction to Anatomy Flashcards

1
Q

What is the anatomical position?

A

Looking forward, Standing upright, Palms forwards, Feet pointing forwards

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2
Q

What is the anterior view?

A

This applies to structure being more in front of other structures in the body

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3
Q

What is the posterior view?

A

This applies to structures being further back than other structures in the body

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4
Q

What do planes allow us to study?

A

Cross sectional anatomy

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5
Q

How do we interpret cross sectional images?

A

Standing at the patient feet and looking up to the head

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6
Q

What is the sagittal plane ?

A

Vertical place which divides the body into left and right portions

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7
Q

What is the median place?

A

The plane which divides the body into two equal parts

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8
Q

What is the coronal place?

A

The plane which divides the body into anterior and posterior sections

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9
Q

What does superior mean? Example?

A

Nearer to the head

The heart is superior to the stomach

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10
Q

What does inferior mean?

Example?

A

Nearer to the feet

Stomach is inferior to the heart

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11
Q

What does anterior mean?

Example?

A

Nearer to the front

Breastbone (sternum) is anterior to the heart

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12
Q

What is another word for anterior?

A

Ventral

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13
Q

What does posterior mean?

Example?

A

Nearer to the back

Brain is posterior to nose

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14
Q

What is another word for posterior?

A

Dorsal

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15
Q

What does medial mean?

Example?

A 
Nearer the median plane
Fifth digit (little finger) is on the medial side of the hand
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16
Q

What does lateral mean?

Example?

A 
Farther from the median plane
First digit (thumb) is on the lateral side of the hand
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17
Q

What does proximal mean?

Example?

A

Nearer the trunk of point of origin (e.g. of a limb)

Elbow is proximal to the wrist and the proximal part of an artery is its beginning

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18
Q

What does distal mean?

Example?

A

Farther from the trunk or point of origin (e.g. of a limb)

Wrist is distal to the elbow and distal part of lower limb is the foot

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19
Q

What does superficial mean?

Example?

A

Nearer to or on the surface

Muscles of the arm are superficial to its bone (humerus)

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20
Q

What does deep mean?

Example?

A

Farther from the surface

Humerus is deep to the arm muscles

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21
Q

What does dorsum mean?

Example?

A

Dorsal surface part of hand or foot

Veins are visible in the dorsum of the hand

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22
Q

What does palm mean?

Example?

A

Palmer surface of the hand

Skin creases are visible on the palm

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23
Q

What does sole mean?

Example?

A

Plantar surface of the foot

Skin is thick on the sole of the foot

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24
Q

What does surface anatomy allow us to do?

A

It allows us to visualise the locations of anatomical structures in the body rather than as isolated systems

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25
Q

What are vertebral levels used for?

A

To define the location of a structure in the vertical plane

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26
Q

Why are vertebrae used to define locations?

A

They are the only anatomical structure that are consistent between the thorax, abdomen and pelvis

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27
Q

What are the four sections that vertebrae are divided up into?

A

Cervical, Thoracic, Lumbar and Sacral

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28
Q

How are vertebrae numbered?

A

From top to bottom (superior to inferior)

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29
Q

How many cervical vertebrae are there?

A

7, C1-C7

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30
Q

How many thoracic vertebrae are there?

A

12, T1-T12

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31
Q

How many lumbar vertebrae are there?

A

5, L1-L5

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32
Q

How many sacral vertebrae are there?

A

5, S1-S5

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33
Q

What is the order of the vertebrae?

A

Cervical, Thoracic, Lumber and Sacral

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34
Q

What are the boundaries of the major body regions?

A

Head and neck, Upper limb (arm), Thorax, Abdomen, Pelvis (perineum), Lower limb (leg)

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35
Q

Where is the head and neck region?

A

This region extends from the top of the head superiorly to the clavicle (collarbone) inferiorly

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36
Q

Where is the upper limb (arm)?

A

This region on each side consists of the scapula (shoulder blade), arm, forearm and hand

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37
Q

What is the thorax, where does it extend from?

A

Also known as the chest, extends from the collarbone superiorly to the level of the diaphragm inferiorly on the anterior surface of the body

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38
Q

What is the abdomen, where does it extend from?

A

Known generally as the stomach, it extends from the level of the diaphragm superiorly to the inguinal ligament inferiorly on the anterior surface of the body

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39
Q

What is the pelvis?

A

Also known as the perineum, it is the superficial region of the body between the pubic symphysis (pubic arch) and coccyx (tail bone)

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40
Q

What is the lower limb?

A

The leg, this region on each side consists of the gluteal region (bottom), thigh, leg, lower leg and foot

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41
Q

What are the different quadrants the abdomen can be divided into?

A

Right upper quadrant, Right lower quadrant, Left upper quadrant, Left lower quadrant (opposite when looking at an image)

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42
Q

What are the different regions the abdomen can be divided into? (1 through to 9 going in rows)

A

Right hypochondrium, Epigastrium, Left hypochondrium, Right lumbar, Umbilical, Left lumbar, Right iliac fossa, Hypogastrium, Left illiac fossa

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43
Q

What are the vertical lines between the regions called?

A

Midclavicular lines

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44
Q

What is the most superior horizontal line between the regions called?

A

Transpyloric line

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45
Q

What is the most inferior horizontal line between the reigons called?

A

Transtubercular plane

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46
Q

What connective tissues make up the skeleton?

A

Bone and cartilage

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47
Q

What are the four mian functions of the skeleton and the component bones?

A
  1. Protection of major organs e.g. the skull protects the brain
  2. Forming the mechanical basis for movement
  3. Haemopoesis: erythrocytes and B lymphocytes are made in the bone barrow
  4. Storage of salts in bone
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48
Q

Is bone dead or alive?

A

Alive, it is a highly vascular living tissue

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49
Q

What are the two types of mature bone?

A

Compact and spongy

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50
Q

What are the features of compact bone?

A

Compact bone is steong and dense, all the bones in the body have a superficial thin layer of it

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51
Q

What are the features of spongy bone? What is another name for spongy bone?

A

Cancellous bone - less dense, with numerous air spaces and forms the core of most bones, except when replaced by a medullary (marrow) cavity, this means that bones are lighter which aids movement, while the compact layer provides strength

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52
Q

What is the head of a bone called?

A

Epiphysis

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53
Q

What is the shaft of a bone called?

A

Diaphysis

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54
Q

What is this plate between the epiphysis and diaphysis called?

A

Epiphyseal plate

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55
Q

How does cartilage obtain nutrients and oxygen?

A

By diffusion, doesn’t have a blood or nerve supply like bone does

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56
Q

What are the different types of cartilage?

A

Hyaline, Fibrocartilage, Elastic

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57
Q

Where do we find hylaine cartilage?

A

Hyaline cartilage is the most widely present type of cartilage in the body, it is present in adults as articular cartilage in joints and in the respiratory system as support for the airways (e.g. the rings of cartilage around the trachea)

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58
Q

Where do we find fibrocartilage?

A

Fibrocartilage is found in articular disks within joints, in intervertebral discs and around the edge of ball and socket joints to enlarge the surface of the socket, this type is tougher than hyaline cartilage

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59
Q

What is special about elastic cartilage?

A

It is highly resilient due to the elastic fibres contained in its structure

60
Q

Where do we find elastic cartilage?

A

Found in the external ear, auditory tube, epiglottis and parts of the larynx

61
Q

GO LEARN DIAGRAM ON BONES

A

NOW

62
Q

What are the 26 bones we should know? - Also a test on bb

A 
Skull
Mandible (Lower jaw)
Sternum
Clavicle 
Scapula
Humerus (Upper Arm)
Ulna (Inner)
Radius (Outside)
Carpals (Wrist)
Metacarpals (Hands)
Phalanges (Fingers)
Ribs (12)
Costal cartilages
Cervical vertebrae (7)
Thoracic vertebrae (12)
Lumbar vertebrae (5)
Sacrum
Coccyx
Hip bone (Pelvis or Innominate)
Femur (Thigh)
Patella (Knee cap)
Tibia (Inner)
Fibula (Outside)
Tarsals
Metatarsels 
Phalanges (Toes)
63
Q

What is the main difference between male and female pelvis’?

A

Female pelvis is flatter and wider than a males

64
Q

What are the two subdivisions of the pelvis?

A

Greater and Lesser pelvis

65
Q

Where does the greater pelvis lie?

A

Between the two large ilium bones

66
Q

Where does the lesser pelvis lie?

A

Deep to the pubic bone

67
Q

What does the thorax contain?

A

The heart, lungs, diaphragm and aorta

68
Q

Where does the superior vena cava come from?

A

The upper body

69
Q

Where does the inferior vena cava come from?

A

The lower body

70
Q

Learn heart diagram!!

A

NOTES

71
Q

What is the heart covered by?

A

A layer of tough fascia known as the pericardium

72
Q

Where is the heart located?

A

The location of the heart extends from T5 superiorly to T9 inferiorly in the inferior part of the mediastinum

73
Q

What is the mediastinum?

A

The anatomic region located between the lungs that contains all the principle tissues and organs of the chest except the lungs

74
Q

What does the mediastinum contain?

A

The heart, Thymus gland, Portions of the oesophagus and trachea

75
Q

What are the different regions of the mediastinum?

A

Anterior, Middle, Posterior and Superior

76
Q

What is the Fascia?

A

Fibrous tissue which enfolds or connects muscles and various body organs

77
Q

Where is the apex of the heart located?

A

In the 5th intercostal space

78
Q

Where does the right border of the heart lay?

A

Deep to the right border of the sternum

79
Q

Where does the aorta rise superiorly from?

A

The left ventricle of the heart

80
Q

Where does the arch of the aorta form?

A

Level of the T4

81
Q

How are the lungs linked to the outside world?

A

Via the trachea and bronchi

82
Q

Where are the lungs located? Where do they extend from?

A

Located within the thorax, the lungs extend from their apex, just above the first rib superiorly, level with T1, to the diaphragm inferiorly, level with T12,

83
Q

What is the cardiac notch?

A

Indentation on the surface of the lungs to allow space for the heart

84
Q

What is the oblique fissure?

A

Separates the lobes of the lung (one in each lung)

85
Q

What is the horizontal fissure?

A

Separates the right middle lobe from the right upper lobe

86
Q

What is the diaphragm?

A

A muscular dome that separates the thorax from the abdomen

87
Q

At rest, where is the highest point of the diaphragm?

A

Level with T9

88
Q

Where is the diaphragm attached to the body cell wall?

A

Inferiorly on the diaphragm level with T12

89
Q

What does the diaphragm do to aid inspiration?

A

Contracts and flattens

90
Q

What is the pleura?

A

The pleura is a double layer of connective tissue which surrounds both the heart and lungs

91
Q

What are the two layers of pleura called?

A 
Visceral pleura (adjacent to organ), Parietal pleura 
Visceral pleura is deep to the parietal pleura
92
Q

Where is the common root of the two layers of pleura?

A

The base of the lungs

93
Q

How is friction limited between the two layers of pleura?

A

There is a thin watery fluid that lies between them

94
Q

What does the pleura do?

A

It forms an airtight seal around the organs to ensure the volume of gas between the layers remains constant, which allows the lungs to expand with the ribcage

95
Q

What does the pulmonary artery do?

A

Carries blood from the right of the heart to the lungs

96
Q

What is special about the pulmonary artery?

A

It is the only artery that carries deoxygenated blood

97
Q

What does the full digestive tract consist of?

A

Oesophagus, Stomach, Small intestine, Large intestine and Rectum

98
Q

What are the 3 things associated with the digestive tract?

A

Liver, Gall bladder and Pancreas

99
Q

What does the stomach act as? What special about it in the GI tract?

A

The stomach is the most dilated part of the GI tract and acts as a food blender and reservoir

100
Q

What does the low pH environment of the stomach do? How is this created?

A

The low pH environment is created by gastric secretions, this aids digestion and provides an important physiological barrier against pathogen

101
Q

What are the 3 areas of the stomach?

A

The Fundus, The Body, The Antrum (pyloric part)

102
Q

Where does the stomach lie?

A

Just below the diaphragm to the left of the abdominal cavity

103
Q

What are the 3 parts of the small intestine?

A

Duodenum, Jejunum, Ileum

104
Q

Which is the proximal section of the small intestine?

A

The duodenum, its separated from the stomach by the pyloric sphincter

105
Q

What are the four parts of the duodenum?

A

Superior, Descending, Horizontal, Ascending

106
Q

Where does jejunum begin?

A

It is the middle part and begins at the duodenojejunal junction

107
Q

When does the jejunum become the ileum?

A

At an anatomically distinct junction

108
Q

Where are the liver and the gall bladder?

A

In the right upper quadrant of the abdomen, directly beneath the diaphragm

109
Q

What are the two lobes of the liver?

A

The large right lobe and the smaller left lobe

110
Q

What does the liver produce?

A

Bile salts that facilitates digestion of lipids

111
Q

Where is bile stored?

A

In the gall bladder until it is needed

112
Q

What is the pancreas?

A

An elongated gland, accessory to the GI tract which also has endocrine functions

113
Q

Where is the pancreas located?

A

Superiorly in the umbilical region, extending out into the left lumbar region, inferior and deep to the stomach

114
Q

What are four parts of the colon (LI)?

A

The ascending colon, Transverse colon, Descending colon, Sigmoid colon

115
Q

Where does the ascending colon travel?

A

The ascending colon travels superiorly from the right lower to the right upper quadrant, it then forms a 90 degree bend

116
Q

Where does the transverse colon travel?

A

The transverse colon travels from the right upper to left upper quadrant where it forms a 90 degree bend into the descending colon

117
Q

What is the angle in the transverse colon called?

A

The left colic flexure, this is when you get to the spleen

118
Q

Where does the descending colon travel?

A

The descending travels from the left upper quadrant to the left lower quadrant

119
Q

Where does the large intestine become the sigmoid colon?

A

The sigmoid colon starts in the left lower quadrant, the sigmoid colon is S-shaped and it connects the descending colon to the rectum

120
Q

What is the rectum?

A

The rectum is the terminal part of the large intestine

121
Q

Where does the rectum begin?

A

The rectum begins at the S3 vertebrae

122
Q

REVISE DIAGRAM OF RECTUM

A

NOTES

123
Q

What is the caecum?

A

The first section of the large intestine, it is a pouch of the large intestine which contains the vermiform appendix

124
Q

Where does the caecum begin?

A

The caecum begins at the ileocaecal junction

125
Q

Where is the appendix located?

A

The appendix is located in the lower right quadrant of the abdomen, the vermiform appendix extends form the inferior border of the caecum

126
Q

Where is the spleen located?

A

The spleen is located in the left lumbar region at the tip of the pancreas

127
Q

What is the spleen?

A

The spleen is a secondary lymphoid tissue and a vital component of the immune system

128
Q

What is the main role of the spleen?

A

The main role of the spleen is blood filtration, removing aged red blood cells and collecting antigen

129
Q

Where is the stomach located?

A

The stomach lies in the upper half of the abodmen, across the midline into the left hypochondrium

130
Q

Where is the caecum located? (region)

A

The caecum is located in the right iliac fossa

131
Q

Where is the transverse colon? (region)

A

The transverse colon is deep to the umbilicus

132
Q

Where is the liver located (and the different lobes)? (region)

A

The large right lobe of the liver is located in the right hypochondrium, it extends across the abdominal cavity and the tip of the left lobe extends from the epigastrium into the left hypochrodium

133
Q

Where is the gall bladder located?

A

The gallbladder is deep to the liver

134
Q

Where is the pancreas located?

A

The pancreas is located superiorly in the umbilical region, extending out into the left lumbar region, it is inferior and deep to the stomach

135
Q

What does the urinary system consist of?

A

Kidneys, Urinary bladder, Ureters, Urethra

136
Q

What is the purpose of the urinary system?

A

The purpose of the urinary system is the excretion of urea and other toxins along with maintenance of blood volume and osmolarity

137
Q

Where do the kidneys lie?

A

The kidneys lie on the posterior wall of the abdoman in the right and left hypochondriac regions from vertebrae T12 to L3, the right is usually lower than the left due to the right lobe of the liver

138
Q

How are the kidneys separated from the ribs?

A

The kidneys are separated from the ribs by the diaphragm

139
Q

What do the kidneys do?

A

The kidneys filter the blood to produce urine that travels to the bladder via the muscular ureters

140
Q

What is the relationship between the lungs and kidneys?

A

Although the kidneys and lungs are separated by the dome of the diaphragm, the top of the kidneys is level with the inferior plural border

141
Q

Where are the adrenal glands located? What else can they be called?

A

Also known as the suprarenal glands, the adrenal glands are located on the superior aspect of each kidney

142
Q

What do the adrenal glands do?

A

The adrenal glands are concerned with production of many of the bodies chemical messengers including adrenaline and steroid hormones

143
Q

Which hormones are secreted from the adrenal cortex?

A

Cortisol (glucocorticoid), Aldosterone (mineralocorticoid), Sex hormones (gonadocorticoids)

144
Q

Which hormones are secreted from the adrenal medulla?

A

Adrenaline (epinephrine), Noradrenaline (norephinephrine)

145
Q

Where is the bladder located?

A

The bladder is located below the suprapubic region in the lesser pelvis, deep to the pubic bone

146
Q

What happens as the bladder fills?

A

As the bladder is filled from the ureters it extends superiorly into the greater pelvis, the full bladder may extend superiorly as far as the umbilicus

147
Q

What happens when the bladder empties?

A

On emptying, the bladder contracts and expels urine through the urethra

CMB2007 - Anatomy (5 decks)

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