Anatomy And Physiology Flashcards
What is the left atrioventricular valve in the heart called?
Mitral valve (Bicuspid)
What is the right atrioventricular valve in the heart called?
Tricuspid valve
What is the normal resp rate for canines?
10-30 breaths
What is the normal pulse rate for canines?
70-140 beats/minutes
What is the normal temperature range for canines?
38.3 - 39.2 °C
What is the normal resp rate for felines?
20-30 breaths/minute
What is the normal pulse rate for felines?
100-200 beats/minute
What is the normal temperature range for felines?
38.2 - 38.6°C
What is the normal resp rate for rabbits?
30-60 breaths/minute
What is the normal pulse rate for rabbits?
130-325 beats/minute
What is the normal temperature range for rabbits?
38.5 - 40°C
What is the normal urine output for rabbits?
12-24ml/kg/day
0.5-1ml/kg/hour
What is the normal urine output for canines and felines?
24-48ml/kg/day
1-2ml/kg/hour
What is the function of the cardiovascular system?
- pumps blood around body
- oxygen/nutrient reach muscles/organs
- waste products can be expelled from the body
- regulate body fluids and temp
What is the correct term for a platelet?
Thrombocyte
Which area of the heart has the thickest walls?
Left ventricle
- to pump blood around whole body
What hormones are released from the posterior pituitary gland?
Anti-diuretic hormone
Oxytocin
What hormones are released from the anterior pituitary gland?
Follicle stimulating hormone Adrenocorticotrophic hormone Thyroid stimulating hormone Luteinising hormone Interstitial-cell-stimulating hormone Prolactin Somatotropin
Where is testosterone produced?
Interstitial cells (Leydig cells)
What has both endocrine and exocrine functions?
Pancreas
What is the gap between two neurons called?
Synapse
Where does a nerve impulse enter the social cord?
Through dorsal root
What is meant by the term synapse?
- junction between 2 neurons
- small gap a nerve impulse is transmitted across via chemical neurotransmitter
Which glands contain ducts?
Exocrine glands
Where are ribosomes made in the cell?
Nucleolus
Where would transitional epithelium be found?
Bladder and uterus
What is the lining of the abdominal cavity called?
Peritoneum
What is the area that separates the two sides of the thoracic cavity?
Mediastinum
Which organelle breaks down waste products in the cell?
Lysosome
What are the 4 tissue types?
Epithelial - protects
Connective - binds
Muscle - moves
Nervous - conveys
What are the two types of epithelial tissue?
Simple - 1 cell thick
Striated/compound - many layers
What are the 3 types of muscle tissue?
Skeletal
Smooth
Cardiac
What is skeletal muscle?
- attached to the skeleton
- assists with movement
- is voluntary, controlled by brain
- cells are cylindrical, called muscle fibres
What is smooth muscle?
- located in stomach, intestines, oesophagus, bladder, blood vessels, resp tract, uterus
- spindle shaped cells in sheets or bundles
- involuntart
What is cardiac muscle?
- only found in heart
- not voluntary
- not much connective tissue binding cells together
What are the 5 functions of the skeletal system?
Support - internal scaffold’ body is built on
Locomotion - attachment for muscles that enable movement
Protection - protects organs and soft parts of the body
Storage - acts as a store for essential minerals calcium and phosphorus as well as organic compounds collagen
Haemopoiesis - production of red blood cells by bone marrow
What does the axial skeleton consist of?
Skull
Vertebral column
Ribs
Sternum
What does the appendicular skeleton consist of?
Front limbs and shoulder
Hind limbs and pelvis
What does the splanchnic skeleton consist of?
Bones not directly attached to the rest of the skeleton (os penis)
What is the cranium?
The bony casing in which the brain sits
What is the mandible?
- lower half of the jaw
- separated into left and right halves
- provides sockets for teeth to sit in
What is the long and narrow skull type called?
Dolichocephalic
What is the short broad and flat skull type called?
Brachycephalic
Which skull type has changed the least from dog ancestors wolves?
Mesocephalic
What is the directional term for towards the rear end of the body?
Caudal
What is the directional term for towards the front end of the body?
Cranial
What is the directional term for top side (back) of the body?
Dorsal
What is the directional term for the underside (belly) of the body?
Ventral
What is the directional term for away from main body?
Distal
What is the directional term for close to the main body?
Proximal
What is the directional term for towards the nose?
Rostral
What is the directional term for middle of the body?
Medial
What is the directional term for side of the body?
Lateral
What is the directional term for towards the ears?
Caudal
What is the name for the C1 vertebra?
Atlas
What is the name for the C2 vertebra?
Axis
What is another name for caudal vertebrae?
Coccygeal vertebrae
What bones make up the fore limbs?
Scapula (shoulder blade) Humerus Radius Ulna Carpal bones Metacarpal bones Phalanges
What bones make up the hind limbs?
Pelvis Femur Tibia Fibula Tarsal bones Metatarsal bones Phalanges
What is the point of the elbow called?
Olecranon
What is the point of the hock called?
Calcaneus
What is the cranial end of the sternum called?
Manubrium
What is the caudal end of the sternum called?
Xiphoid
What is the name for the knee cap?
Patella
What is the pelvis also known as?
Os coxae
Which bones make up the pelvis?
- 2 hip bones fused together
- ilium
- ischium
- pubis
What is the name for the 2 holes in the pelvis?
Obturator foramen
What is a serous membrane?
Continuous layer of epithelium that produces a lubricating fluid
What is parietal membrane?
Membrane that lines boundaries of the cavity
What is visceral membrane?
Membrane that covers the organs in the cavity
What is the function of the cell membrane?
- surrounds cell
- gives round shape
- semi-permeable to control movement of substances in + out
What is the function of cytoplasm?
- 80% water
- 20% fats, carbs + mineral salts
- suspends organelles
What is the function of the nucleus?
- largest organelle
- information centre of the cell
What is the function of the nucleolus?
Produces ribosomes
What is the function of Chromatin?
- contains DNA
- information for protein synthesis
- instructions on how cell functions
What is the function of the nuclear envelope?
- keeps genetic material inside
- allowes ribosomes to enter cytoplasm
What is the function of mitochondria?
- responsible for cellular respiration
- converts food energy to stored energy the cell can use
What is the function of ribosomes?
Synthesises proteins for cell growth and repair
What is the function of the rough endoplasmic reticulum?
Transports proteins made by ribosomes
What is the function of the smooth endoplasmic reticulum?
Synthesises + transports lipids + steroids
What is the function of the Golgi apparatus?
Stores enzymes for transport out of the cell
What is the function of lysosomes?
Contains digestive enzymes to digest cellular material
What is the function of the centrosome?
- contains a pair of centrioles
- involved in cell division
What is the function of the vacuole?
Storage of food, water and waste
What is the function of cilia?
- extensions of membrane on some cells
- move mucus and debris
What is the function of the flagellum?
- usually single
- longer than cilia
- move cell along
- seen in sperm cells and bacteria
What are the 3 main parts of a cell?
- cell membrane
- cytoskeleton (holds structure)
- nucleus
What are cells continuously doing?
- grow
- specialise
- function
- die
- replenish
Where would simple squamous epithelial cells be found?
- areas of diffusion
- delicate areas
- lungs
Where would simple cuboidal epithelial cells be found?
- lining glands and their ducts
- absorb and secrete
- ovaries, thyroid gland
Where would simple columnar epithelial cells be found?
- stomach and intestine
- allows absorption of nutrients
Where would ciliated epithelium be found?
- areas where substances need to be moved
- respiratory tract
- fallopian tubes
- always columnar
Where would stratified squamous epithelial cells be found?
- areas subjected to friction
- oesophagus, mouth and vagina
Where would glandular epithelium be found?
- sweat glands
- mammary glands
- anal glands
- contain secretory cells
What are incisors?
- small pointed teeth
- fine nibbling and grooming
What are canines?
- pointed + curved teeth
- used for holding prey in mouth
What are premolars?
- flatter teeth
- shearing and grinding food
What are molars?
- larger than premolars
- also shearing and grinding food
From rostral to caudal, name the teeth found in the oral cavity.
- incisors
- canines
- premolars
- carnassials
- molars
What is the pharynx?
- muscular tube
- conveys food from mouth to oesophagus through deglutition (swallowing)
What are the stages of deglutition?
- food rolled into bolus by tongue, cheeks and teeth (mastication)
- passed to back of mouth by base of tongue
- pharageal muscles force bolus towards oesophagus
- epiglottis closes to prevent food entering respiratory tract
- wave of muscular contraction (peristalsis) pushes food down oesophagus
- epiglottis opens again to allow air into the trachea
What is the oesophagus?
- tube like structure runs down neck and through thoracic cavity
- enters abdominal cavity via hole in diaphragm
- enters stomach via cardia
What is the cardia?
Area where oesophagus enters stomach
What is the fundus?
Body of the stomach?
What is the pylorus?
Stomach narrows and food passes into small intestines
What are the functions of the stomach?
- food storage
- break up food and mix with gastric juices
- begin process of protein digestion
What do goblet cells secrete in the stomach?
Mucus to lubricate food and protect stomach wall from digestive enzymes
What do parietal cells secrete in the stomach?
Hydrochloric acid to kill pathogens
What do chief cells secrete in the stomach?
Pepsinogen breaks down proteins to peptides
What are the 3 parts of the small intestines?
- duodenum
- jejunum
- ileum
What are the 3 parts of the large intestine?
- caecum
- colon
- rectum
What is the function of the small intestines?
- epithelial layer contains millions of villi to increase surface area and maximise digestive and absorptive processes
- glucose is absorbed and transported to the liver via the hepatic portal vein
What is the function of the large intestine?
- shorter and wider than small intestine
- water and electrolytes are reabsorbed
- no villi or digestive glands
- more goblet cells to lubricate faecal mass
- lots of bacteria to break down remaining protein
What is the name for the area where the small intestine meets the large intestine?
Ileocaecal junction
What are the 3 parts of the colon?
- ascending
- transverse
- descending
What are the functions of the urinary system?
- remove waste products from body in form of urine
- regulate water and sodium levels in blood
- converts fat soluble vitamin D to water soluble
- secretes hormone erythropoietin that stimulates production of red blood cells