Principle Systems Pt. 2 (Digestive, Cardio, Respira, Skeletal, Musculo) Flashcards
Ingestion
Taking food into the mouth
Digestion
The passing of food along the gastrointestinal (GI) tract
Absorption
Digested food passed from the GI tract to the body’s cells
Defaecation
Elimination of waste- faeces
Other name for the Gastrointestinal Tract?
Alimentary canal
Enterons
Intestines
3 types of salivary glands
Parotid, submandibular, sublingual
Function of saliva
Moistens and dissolves substances and helps with the digestive process through the action of enzymes.
Chewing
Mastication
Small chunk of food ready to swallow
Bolus
Epiglottis
Seals off the larynx to avoid choking when swallowing food/ saliva
Deglutition
Passing of food into the oesophagus
Peristalsis
Involuntary muscle movements to pass food down to the stomach
Hiatus sphincter
Hole through which food enters the stomach- closes to prevent the return of food and acids
Diaphragm
Primary muscle of respiration
Gastric juice
Increases the movement of the GI tract, relaxes the pyloric sphincter
Pyloric sphincter
Separates the stomach from the duodenum
Chyme
The thin liquid that muscles turn food into within the stomach
How long does it take food to pass through the entire GI tract?
24 hours
Pepsinogen
Chemical secreted in the stomach which becomes pepsin when combined with stomach acid
Stomach acid (HCl)
Hydrochloric acid
Pepsin
Breaks down proteins from food
Amylase
Cuts down carbohydrates into simple sugars
Bile
Produced in the liver and breaks down fats in the small intestine
What is the liver’s function in digestion?
Uses hormones to break glycogen down into glucose
Duodenum
Shortest part of the small intestine, between stomach and jejunum
Jejunum
Part of the small intestine between the duodenum and the ileum
Ileum
Final part of the small intestine
Ileocaecal sphincter
Joins the ileum (small intestine) to the beginning of the large intestine
Caecum
First part of the large intestine after the ileocaecal sphincter
Appendix
A dead end tube in the large intestine which aids immunity
Colon
Merges with the end of the caecum, reabsorbs fluid and processes waste from the body. Begins preparations for its elimination from the body
3 parts of the colon
Ascending, transverse, descending
Sigmoid colon
The final part of the large intestine before the rectum and anus. It forms a loop
Anal canal
The last 0.39 cms of the rectum, which opens out of the body
Anus
Exterior opening to the body
What is faeces made up of
Dead epithelial cells, bacteria, undigested parts of food and water.
Pancreatic duct
Meets with the ducts from the liver and gallbladder to form the common bile duct
Pancreatic juice
The enzymes produced by the pancreas
Bilirubin
Principal pigment of bile (made by the liver). Produced along with iron when RBCs are broken down
Urobilinogen
Gives faeces its normal colour
Jaundice
When the liver cannot remove bilirubin from the blood, causing it to collect excessively in other tissues and resulting in a yellow skinned and eyed appearance
Atresia
Without a natural opening
Bariatric surgery
Reduction of stomach capacity for treatment of obesity
Colitis
Inflammation in the lining of the colon
Constipation
Infrequent defaecation of solid faeces
Crohn’s disease
Chronic inflammatory disease involves the large and small intestines
Diverticulosis
Sac-like pouches on the wall of the colon
DU
Duodenal ulcer
GORD
Gastro-oesophagal reflux disease
Peptic ulcers
Crater-like lesions on the wall of the stomach
Peristalsis
Involuntary muscle movements
Haemorrhoids (piles)
Varicosities of the veins on the wall of the rectum
1st Degree Haemorrhoids
Contained within the anus
2nd Degree Haemorrhoids
Enlarged and prolapsed outward on defaecation
3rd Degree Haemorrhoids
Prolapsed through the anal orifice
LIH
Left inguinal hernia
RIH
Right Inguinal Hernia
Hernia plural
Herniae
IBS symptoms
Cramps in the bowel, alternating diarrhoea and constipation, flatulence, nausea, loss of appetite
Flatulence
Excessive gas in the gastrointestinal tract or alimentary canal
Epicardium
External heart muscle
Myocardium
Heart muscle layer
Endocardium
Internal heart muscle
Upper chambers of the heart
Left atrium and right atrium (plural atria)
Lower chambers of the heart
Left ventricle and right ventricle
Aorta
Main artery from the heart
Aneurysm
Weakened section of artery wall or vein causing outward bulge
Angioplasty
Surgical repair of an artery
Arrhythmia
Abnormal heart rhythm
Arteriosclerosis
Thickening or hardening of the walls of the arteries
Atherosclerosis
Fat (i.e. Cholesterol) causing plaque on the artery walls
Atrial fibrillation
Uncoordinated contraction of the atrial muscle
Atrial flutter
Rapid contractions of the atrial muscle
AV (atroventricular) node
Responsible for electrical stimulation along with SA node
Bundle of His
Electrical conducting tissue
CABG
Coronary artery bypass graft
CAD
Coronary artery disease
Cardiomyopathy
Disease of the heart muscles
Cardiorrhaphy
Suturing of the heart
CHD
Coronary heart disease
CHF
Congestive heart failure
Cor pulmonale
Enlargement of the right ventricle
Coronary
Pertaining to encircling the heart
Diastole
Period when the ventricles are filling and resting
DVT
Deep vein thrombosis
Dysrrhythmia
Abnormal irregular rhythm
Heart block
The AV node is blocked
Hypertension
High blood pressure
Pancarditis
Inflammation of the whole heart
Pulmonary embolism
Blood clot dislodges from vein into blood flow
SA (Sinoatrial Node)
Responsible for electrical stimulation with the AV node
Sphygmomanometer
Used for measuring blood pressure
Systole
Heart muscles contract
Ventricular fibrillation
Haphazard ventricular muscle contraction
5 main risk factors for cardiovascular disease
High blood pressure, diabetes, smoking, hyperlipidaemia and /or hypercholesterolaemia
Hyperlipidaemia
Too many lipids (fats) in the blood, e.g. cholesterol and triglycerides.
Hypercholesterolaemia
Too much LDL (bad) cholesterol in your blood
Inspiration
Breathing in
Expiration
Breathing out
Pleural membrane
Protective layer of membrane over the lungs in a double layer
Parietal pleura
Outer layer of the pleural membrane
Visceral layer
The inner layer of the pleural membrane
Pleural cavity
The gap between the two layers of pleural membrane
Alveoli
Lung air sacs
Asthma
Characterised by wheezing and difficulty breathing
Atelectasis
Failure of the lungs to expand
Bronchiectasis
Over-dilation of the bronchioles due to fibrous tissue
Bronchioles
Small tubes between the bronchus and alveoli
Cheyne-Stokes
Apnoea and hyperventilation periods causing kidney failure
Coryza
The common cold
Crepitations
Grating sound in the lungs heard on auscultation
Auscultation
Listening to sounds made by the heart, lungs or other organs through a stethoscope
Emphysema
Long term irritation of the alveoli
Exacerbations
Refer to an acute increase in the severity of symptoms
Hypoxia
Insufficient oxygen in the blood
Intubation
Tube inserted into the air passages to allow air into the lungs
LRTI
Lower Respiratory Tract Infection
Orthopnoea
Difficulty breathing while lying down
PE
Pulmonary Embolism- a blood clot in the pulmonary vessels
PEFR
Peak expiration flow rate
Pneumonia
Infection or inflammation of the alveoli
Productive
i. e. productive cough is mucus-producing
Rales
Abnormal rattling sounds heard in the lungs or bronchi
Respiratory failure
Respiratory system cannot exchange all gases- imbalance occurs
Rhonchi
Wheezing sounds
Sputum
For example a material expelled from the respiratory passages
Tuberculosis
Infection of the lung or other organs caused by bacteria
URTI
Upper Respiratory Tract Infection
Pulmonary hypertension
Raised blood pressure within the pulmonary arteries
Osteocytes
Bone cells
Ossification
Bone formation
What are the two main parts of the skeleton
Axial, appendicular
What is the axial skeleton made up of?
Skull, spine, ribcage
Sternum
Breast bone
Bottom of sternum
Xiphisternum
Lamina
Part of a vertebra
Vertebra
Spondyl
Clavicle
Collar bone
Scapula
Shoulder blade
Humerus
Upper arm
Ulna and radius
Lower arm
Carpals
For example, wrist bones
Metacarpals
Palm of the hand
Phalanges
Fingers
Dactyl
Digits
Pollex
Thumb
What are the 3 parts of the pelvic girdle (innomate/ hip)?
Ilium, ischium, pubis
Which is the bone socket into which the femur fits?
Acetabulum
Patella
Knee cap
The lower leg bones
Tibia and fibular
Ankle bones
Tarsal
Metatarsals
Bones of the foot
Big toe
Hallux
Cheir/o
Hand
Pod/o
Foot
Onych/o
Nail
Kyphosis
Exaggerated curve of the thoracic vertebrae (hunchback)
Lordosis
Exaggerated curve of the lumbar vertebrae (bent forward)
Scoliosis
A lateral bending of the vertebral column (sideways)
Fracture
A break in any bone
Partial fracture
Incomplete break
Complete fracture
A complete break
Simple fracture
A break where the bone does not protrude through the skin
Compound fracture
A break where the broken ends of the bone protrude
Aggravating
Making worse
Ankylosing spondylitis
Fixation of vertebrae and fibrous tissue causes loss of movement
Ankyl/o
Fusion/adhesion/ bent
Arthrosynovitis
Inflammation of the synovial joint
Chondrosseous
Pertaining to bone and cartilage
Compression
Pressing
Costal
Pertaining to the ribs
Laminectomy
Surgical removal of an intervertebral disc
Effusion
Fluid discharge into an enclosed space
Erosion
Destruction
Exostosis
An overgrowth of bone
Interphalangeal
Between fingers and toes
Luxation
Complete dislocation of a joint
Meniscus
Cartilage that cushions bones at the joints
Olecranon
Elbow
Orthopaedics
The correction of deformities of bones or muscles
Osteomyelitis
Inflammation of the bone marrow
Osteophyte
Bony outgrowth at joint surface
Paget’s Disease
Irregular thickening and softening of the bones
Spina bifida
Spinous process does not unite in foetal development
Spondylolisthesis
Slipped disc
Spondylosis
Degenerative disease of the spine- crumbling occurs
Synovial fluid
Fluid secreted by membrane that lines the synovial joint
Tibiofemoral
Pertaining to the femur and tibia
What are the three types of muscle?
Voluntary and striated (can be controlled)
Unvoluntary and striated (cannot be controlled)
Cardiac/ myogenic (exclusive to the heart)
Arthritis
Inflammation of the joints
Electromyography
Recording and study of electrical changes occurring in muscle tissue
Fibromyalgia
Characterised by pain, tenderness and stiffness of muscles, tendons and the surrounding tissue
Fibrosis
Formation of fibrous connective tissue where it would not normally exist
Muscular Dystrophy
Hereditary muscle destroying disease
Myalgia
Painful muscles
Myasthenia gravis
Disease causing abnormal pain and weakness in voluntary muscles
Myoma
Tumour composed of muscle
Rheumatism
Painful state of the supporting structures of the body, joints, tendons or muscles
Rheumatoid arthritis
Autoimmune Disease in which the antibodies attack the joint tissues
Chorea
Involuntary contraction of muscles causes writhing movements - St Vitus’ Dance
Fasciculation
An involuntary, brief twitch of muscle that is visible under the skin
Fibrillation
Similar to a fasciculation, but not visible under the skin
Spasm
Sudden involuntary contraction of a large group of muscles
Tic
Spasmodic twitching made involuntarily, by muscles under control
Tremoris
Rhythmic, involuntary contraction of opposing muscle groups
Aponeur/o
Flat tendon
Atrophy
Without movement
Contractures
Shortening/ contraction of muscle
DTR
Deep tendon reflex
Hyperkinesia
Above normal movement
im
Intramuscular- pertains to injection
Kine/ kinet
Motion
Lei/o
Smooth muscle
Musculophrenic
Pertaining to the diaphragm muscle
Myocardium
Heart muscle
Myodystrophy
Poor muscle growth
Myofibrosis
Abnormal muscle fibres
Myokymia
Involuntary muscle twitching
Myometrium
Muscle of the uterus
Myospasm
Muscle spasm
Orthosis
Appliance used to correct deformity
Orthotics
Knowledge to use orthoses (appliances)
Phren/o
Diaphragm
Pseudohypertrophy
False overgrowth of muscles (enlarged by disease)
Rhabd/o
Rod/ rod shaped
Rhabdomyolysis
Breakdown of striated muscle
Tend/o
Tendin
Tendon
Tendinitis
Inflammation of tendon
TJ
Triceps jerk