WT1 Tutorial Final (1-5) Flashcards
Differentiate between prone and supine postures
Prone - lying face down on stomach
Supine - lying face up on back
Differentiate superior and inferior
Superior - toward the head and away from the feet, UPPER part of the structure
Inferior - near the feet and away from the head, LOWER part of the structure
What is anatomical position
Body is upright, directly facing the observer, feet flat, and directed forward
The upper limbs are at the body’s sides with the palms facing forward
Differentiate anterior and posterior
Anterior - at or near the FRONT of the body
Posterior - at or near the BACK of the body
What is the midline
Imaginary line that divides the body into right and left halves
Differentiate medial and lateral
Medial - NEAR the midline
Lateral - AWAY from the midline
Differentiate deep and superficial
Deep - AWAY from the surface of the body
Superficial - CLOSE to the surface of the body
Differentiate proximal and distal
Proximal - CLOSE to the origination
Distal - FAR from the origination
What are planes
Imaginary flat surfaces that pass through parts of the body
What is the frontal (coronal) plane
Divides the body into front and back portions
(anterior/posterior)
What is the transverse/horizontal/axial plane
Divides the body into upper and lower portions
(superior/inferior)
What is the oblique plane
Passes through a structure or the entire body at an ANGLE
What is the sagittal plane (midsagittal/parasagittal)
Divides a structure or the body VERTICALLY into RIGHT or LEFT portions
Midsagittal - equal right and left portions
Parasagittal - unequal right and left portions
Cephalic and cervical region =
Cephalic = head
Cervical = neck
Cranial
Skull
Facial
Face
Frontal
Forehead
Ocular
Eye
Nasal
Nose
Otic
Ear
Buccal
Cheek
Oral
Mouth
Mental
Chin
Trunk and torso =
Chest region
Spinal
Vertebral
Thoracic
Thorax, chest
Mammary
Breast
Dorsal
Back
Abdominal
Abdomen
Umbilical
Navel
Lumbar
Loin (lower back)
Pelvic
Pelvis
Pubic
Pubis
Upper limbs =
Arms, etc.
Acromial
Shoulder
Axillary
Armpit
Brachial
Arm
Antecubital
Front of elbow
Antebrachial
Forearm
Olecranal
Elbow
Carpal
Wrist
Manual
Hand
Palmar
Palm
Lower limb =
Legs, etc.
Gluteal
Ass
Inguinal
Groin
Femoral
Thigh
Patellar
Kneecap
Popliteal
Back of knee
Crural
Leg
Sural
Calf
Tarsal
Ankle
Calcaneal
Heal of foot
Pedal
Foot
Plantar
Sole of foot
2 body cavities =
Thoracic (pleural and mediastinum)
Abdominopelvic (peritoneal)
4 major tissue types
- Epithelial tissue
- Connective tissue
- Muscle tissue
- Nervous tissue
Epithelia properties
- stratified / simple / pseudo-stratified
- cuboidal / squamous / columnar
- keratinized / ciliated
Connective tissue categories (3)
- connective tissue proper
- supporting connective tissue
- fluid connective tissue
Connective tissue subcategories
- connective tissue proper
- supporting connective tissue
- fluid connective tissue
Connective tissue proper
- loose (areolar, adipose, reticular)
- dense (regular, irregular, elastic)
Supporting connective tissue
- bones
- cartilage (hyaline, elastic, fibrocartilage)
Fluid connective tissue
- blood
- lymph
Tissue combinations (2)
- membrane
- fascia
What makes up the cutaneous membrane
- Epidermis
- Dermis
What is the name of the subcutaneous layer
Hypodermis
**Not part of the integument
What are the 5* epidermal strata
- Stratum corneum
*2. Stratum lucidum - Stratum granulosome
- Stratum spinosum
- Stratum basale
What are the 3 special cells found in the integument
- Langerhan cells = immune cells
- Merkel cells = nerve cells
- Melanocytes = make melanin pigments
What are the two dermal layers
- Stratum papillary (top)
- Stratum reticular (bottom)
What are some examples of accessory structures and which layer of the integument are they found
Hair follicles, arrector pilae, sebaceous glands, sweat glands, touch-related receptors and nerve fibres
Accessory structures are found in the dermis
Differentiate the vascularity of the epidermis and dermis
Epidermis = non-vascular = no blood vessels
Dermis = vascular = has blood vessels
What separates the epidermis and dermis
Basement membrane
What kind of cells are found in the epidermis
Keratinocytes = store keratin to keratinize skin (waterproof)
Melanocytes = make melanin pigments for skin
Langerhans’ cells = immune cells
Merkel’s cell = nerve cells
What kind of cells are found in the dermis
Fibroblasts = secrete matrix to form connective tissue
Macrophages = immune cells
Adipocytes = energy stores (fat)
Mast cells = loose areolar tissue, role in immune response
Schwann cells = produce myelin sheaths for axons
Stem cells = cells from which all other cells with specialized functions are generated
Classify a first degree burn - which layers of the integument are damaged
The first layers of the epidermis are damaged
- stratum corneum
- stratum lucidum
Classify a second degree burn - which layers of the integument are damaged
The epidermis is damaged and the damage may reach the dermis
- stratum corneum -> stratum basale
- stratum papillary (maybe)
Classify a third degree burn - which layers of the integument are damaged
The epidermis and dermis are completely damaged
- damage may even reach hypodermis
Differentiate thick and thin skin
Thick skin
- has hair
- has 5 strata in epidermis
Thin skin
- has no hair
- has 4 strata in epidermis
- contains more accessory structures
Where can thick skin be found? Where can thin skin be found?
Thick skin is found in the palms and the soles of the feet
Thin skin is found everywhere else in the body
Long bones
Support the weight of the body & facilitate movement
Short bones
Cube-shaped components of wrist/ankle joints
Flat bones
Protects internal organs
Irregular bones
Irregular in shape and function
Sesamoid bones
Reinforce tendons, protect from wear and tear
Skull sutures
Immobile joints where cranial bone are connected with DENSE FIBROUS TISSUE
What are the five types of bones
- Long
- Short
- Flat
- Irregular
- Sesamoid
Identify the type of bone and location:
Cranial bones
Flat bones
Skullcap
Identify the type of bone and location:
Scapulae
Flat bones
Posterior portions of the shoulder girdle
Identify the type of bone and location:
Sternum
Flat bones
Middle portion of the anterior wall of the thoracic cage
Identify the type of bone and location:
Ribs
Flat bones
Make up the thoracic cage
Identify the type of bone and location:
Humerus
Long bones
Longest/largest upper limb
Upper arm bone
Identify the type of bone and location:
Radius and ulna (Which is which?)
Long bone
Long, thin forearm bones
In ANATOMICAL position,
Think UNDER for ulna (inside bone)
Recall that the radius is FAR from the centre of the circle for radius (outside bone)
Identify the type of bone and location:
Femur
Long bone
Longest bone in the body
Thigh
Identify the type of bone and location:
Tibia and fibula (Which is which?)
Long bones
Large parallel bones of the lower limbs
In ANATOMICAL position,
Think TALL for tibia (long, big bone)
think FIRST for fibula (first outside, smaller bone)
Identify the type of bone and location:
Metacarpals
Long bones
Middle region between phalanges and carpal of hand
Identify the type of bone and location:
Metatarsals
Long bones
Middle region between phalanges and tarsal of foot
Identify the type of bone and location:
Phalanges
Long bones
Fingers and toes (5 for each hand/foot)
Identify the type of bone and location:
Carpals
Short bones
Wrist
Identify the type of bone and location:
Tarsals
Short bones
Forms the ankle
Identify the type of bone and location:
Patella
Sesamoid bones
Kneecap
Identify the type of bone and location:
Vertebrae
Irregular bones
Spine including axis and atlas
Identify the type of bone and location:
Pelvic bone
Irregular bones
Hip bones
What are the 6 components of long bones
- Compact bone
- outer layer of osteons
- more dense, stronger, less flexible, withstands weight - Spongy bone
- inside, latice-like network
- less dense, weaker, more flexible, balances out weight - Medullary cavity
- hollow interior of bone
- contains yellow bone marrow - Bone marrow
- found within medullary cavity
- yellow bone marrow - Diaphysis
- middle of the bone covered by periosteum - Epiphysis
- proximal and distal ends
- covered with articular cartilage
Bones are surrounded by periosteum
What are the cranial bones (6)
FT POSE
- Parietal (paired)
- Occipital
- Sphenoid
- Ethmoid
- Facial
- Temporal (paired)
What are the facial bones (8)
My Mandible Never Chews Very Large Zucchini Pizzas
- Maxillae (paired) - upper jaw
- Mandible - lower jaw
- Nasal bone (paired)
- Conchae (inferior conchae)
- Vomer
- Lacrimal (paired) - tears (medial to eyes)
- Zygomatic (paired) - cheek bones
- Palatine (paired) - hard palate
Identify the type of bone and location:
Hyoid
Sesamoid bone
Horse-shoe shaped bone located in the neck
Identify and differentiate the axis and atlas on the vertebral column
Atlas is C01
Axis is C02
Identify the type of bone and location:
Sacrum
Irregular bone
Sacral region (S01-S05)
- all 5 vertebrae fuse together during early childhood
Identify the type of bone and location:
Coccyx
Irregular bone
Tailbone
Identify the three parts of the sternum (3)
Manubrium (top)
Body (middle)
Xiphoid (bottom)
What are the four divisions of the vertebral column
Cervical (C01-C07)
Thoracic (T01-T12)
Lumbar (L01-L05)
Sacral (S01-S05) = sacrum
Differentiate true/false ribs from vertebrochondral and floating ribs
True ribs - connected to the sternum (1-7)
False ribs - not connected to the sternum (8-12)
Vertebrochondral ribs (8-10) - True ribs
Floating ribs (11,12) - False ribs that are floating/not touching both sides
What determines if a bone will have a medullary cavity or not
Medullary cavities are in long bones, flat (?), irregular, etc.
Explain the differences between compact bone and spongy bone in terms of structure and location
Compact bone is the outside of the bone (containing osteon)
- weight bearing
- strong, dense, not flexible
Spongy bone is the inside, lattice-like
- balances weight
- weaker, less dense, more flexible
What are the major components of an osteon
- Haversion canal
- blood vessels and nerves
- Volkmann canal
- osteocytes in lacunae
- lamallae
Osteons are found in compact bone
What is an osteon
Concentric lamellae enclosing central canals which blood vessels pass through
What is the difference between the appendicular and axial skeleton
Axial = the centre of the skeleton (skull, vertebral column, thoracic cage)
Appendicular = everything else (outer, upper and lower limbs + shoulder girdle + pelvic girdle)
Lambdoid sutures are between which cranial bones
Between parietal and occipital cranial bones
Coronal sutures are between which cranial bones
Think about the frontal/coronal plane!
Between parietal and frontal cranial bones
Sagittal sutures are between which cranial bones
Between paired parietal cranial bones
Squamous sutures are between which cranial bones
Between temporal and parietal cranial bones
Osteons
Concentric lamellae enclosing central canals which blood vessels pass
- found in compact bone (outside)
Osteoblasts
Synthesize bone matrix
- found along bone surface
Osteoclasts
Break down bone matrix
- found inside the bone
Osteocytes
Maintain bone tissue structure and sense bone health
- found within lacunae surrounded by bone matrix
What is the axial skeleton and which regions are part of it
Skeleton on the long axis
- including the skull, laryngeal skeleton, vertebral column, and thoracic cage
Explain the standard system of numbering used to identify individual ribs and individual vertebra within the vertebral column
Vertebrae and ribs are numbered (01-12, etc) according to their region
Use the standard system of numbering to identify specific ribs and/or vertebrae
Ribs count from 1-12 (11 and 12 are floating)
Vertebrae count from atlas (C01), axis (C02), etc etc
C01 = small circle, big, small circle
C02 = has a bulb in the center
C03 = looks like a face
What are the three functional categories of joints and what kind of movement do they permit
Synarthrosis = no movement
Amphiarthrosis = little movement
Diarthrosis = free movement
Describe the movement permitted by synthartrosis joints
No movement
- extremely strong joints located where movement between bones must be prevented
What are the 4 categories of synarthrosis joints
- Sutures
- bones of the skull
- look like zippers, has dense connective tissue fibres - Gomphosis
- “gums”
- teeth in their sockets; fibrous connections with periodontal ligament - Synchondrosis
- cartilaginous
- 2 articular bones with no movement (ribs) - Synostosis
- bony
- bones that have fused so their boundary goes away
- epiphyseal lines of mature long bones
What are the 2 categories of amphiarthrosis joints
- Syndesmosis
- fibrous band/ligaments
- distal joint between tibia and fibula - Symphysis
- fibrocartilage, pad-like structure between two articulating bones
- pubic symphysis
Describe the movement permitted by amphiarthrosis joints
Little movement
- permits more movement than synarthrosis but is much stronger than a freely movable joint
- connected by collagen fibers and cartilage
Describe the movement permitted by diathrosis joints
Synovial joints = free movement
- permits the widest range of movement
What are the major components of a synovial joint
- Synovial membrane
- Articular cartilage
- Joint capsule
- Synovial fluid
What are the key ligaments and cartilages that stabilize the knee
Ligaments = P LAMP
- Articular capsule = made of articular cartilage (prone to osteoarthritis)
- Medial and lateral menisci
- Ligaments
- patellar ligament
- anterior cruciate ligament
- posterior cruciate pigament
- medial collateral ligaments
- lateral collateral ligaments
What are 6 types of synovial joints
- Plane joint
- Hinge joint
- Pivot joint
- Condylar joint
- Saddle joint
- Ball-and-socket joint
Describe the movement permitted at a:
Plane joint
And give an example
Movement = gliding, flattened or slightly curved surfaces that slide across one another (slight movement)
Ex: Sternoclavicular joints
Describe the movement permitted at a:
Hinge joint
And give an example
Movement = angular, permits angular motion in a single plane (like opening and closing of a door)
Ex: elbow, knee, ankle joints
Describe the movement permitted at a:
Pivot joint
And give an example
Movement = rotation, permits only rotation
Ex: atlanto-axial joint (neck)
Describe the movement permitted at a:
Condylar joint
And give an example
Movement = angular, biaxial, oval-shaped concave
Ex: radiocarpal joints / wrist
Describe the movement permitted at a:
Saddle joint
And give an example
Movement = angular, biaxial; articular faces that fit together like a rider in a saddle; each face is concave along one axis and convex along the other
Ex: thumb
Describe the movement permitted at a:
Ball-and-socket joint
And give an example
Movement = angular, circumduction and rotation; the round head of one bone rests within a cup-shaped depression in another
Ex: shoulder socket/joints or hip joints/sockets
Ball = humerus
Socket = scapula
Ball = femur
Socket = pelvic girdle
What is a tendon
Anchors bone to muscle
What is a ligament
Anchors bone to bone
What is a joint
Formed when two bones meet each other
- articulate / move / allows bones to move
Describe CT proper:
Loose:
- areolar
- adipose
- reticular
- Areolar = lots of stuff, many cell types (WBCs, lymphocytes)
= contains fibroblasts and many different fibre types (elastin, collagen, reticular, etc.) - Adipose = fats with lots of white space
= fats push nucleic towards rim of fat shrivels - Reticular = only has reticular fibres
Describe CT proper:
Dense:
- dense regular
- dense irregular
- elastic
- Dense regular = WAVY because of collagen fibers
= make up tendons, ligaments, fascia - Dense irregular = less organized (fibres go in many directions)
= fibrous capsule of joints - Elastic = elastic fibres that are thinner than collagen fibers
= also looks wavy
= makes up walls of large arteries
Describe supportive CT:
- cartilage (3)
- chondrocytes in lacunae
- Hyaline cartilage = type II collagen
= dark/smooth extracellular matrix with lots of chondrocytes in lacunae
= not many fibres - Fibrocartilage = 2 types of collagen (I and II)
= some cells with clear fibres running through - Elastic cartilage = type II collagen and elastic fibres
= some cells suspended in elastic fibres that are arranged in many different directions
Which bones are part of the appendicular skeleton
Upper limbs
Lower limbs
Pectoral (shoulder) girdle
Pelvic (hip) girdle
Which bones are part of:
Shoulder/pectoral girdle
- clavicle = attaches pectoral girdle to the axial skeleton
- scapula
- the sternum is not part of the pectoral girdle but it attaches the pectoral girdle to the axial skeleton
Which bones are part of:
Pelvic girdle (hip bones)
- fused sacrum (S01-S05) = connects pelvic girdle to axial skeleton
- pubic symphysis = fibrocartilage
- ilia (top wing)
- ischium (back)
- pubis (front)
Name the three upper limb bones
- humerus
- radius
- ulna
Name the six lower limb bones
- femur
- tibia
- fibula
- calcaneus
- talus
- patella
Wrist and hand group bones
Proximal/distal carpals
Metacarpals
Phalanges (proximal, middle, distal)
*The first digit is missing a middle phalange
Ankle and foot group bones
Proximal/distal tarsals
Metatarsals
Phalanges (proximal, middle, distal)
*The first digit is missing a middle phalange
Define origin of a muscle or a bone
Part of the muscle that typically does not move
- area where the muscle is attached to two articulating bones
- on the fixed bone
Bone = fixed bone (does not move)
Define insertion of a muscle or a bone
Part of the muscle that does move
- area where the muscle is attached to two articulating bones
- on the moveable bone
Bone = moveable bone (does move)
Describe the two types of actions in muscle interaction
Agonist and antagonist
What is an antagonist/agonist
Agonist = generates the main force of an action; prime mover, responsible for producing the movement
Antagonist = performs the opposite action; opposes agonist
Describe supination and pronation
Supination = SOUPination
Pronation = opposite of supination
Describe lateral and medial rotation
Think of the wrist:
Lateral rotation = Rotating away from the midline
Medial rotation = Rotating towards the midline
Describe adduction and abduction
Abduction = away from the midline / outwards
Adduction = adds to the midline / towards midline
Describe extension and flexion
The agonist of extension becomes the antagonist of flexion
The agonist of flexion becomes the antagonist of extension
Describe plantarflexion
Pointing foot down = flex foot downwards
Describe dorsiflexion
Moving the foot up = upwards
What is the paired action of each of the following:
- Flexion
- Elevation
- Pronation
- Bending
- Contracting
- Abducting
- Extension
- Depression
- Supination
- Straightening
- Relaxing
- Adducting
How are skeletal muscles attached to the skeleton
via TENDONS
First: Is the following an axial or appendicular muscle
Then, describe the general location of the following muscle:
Occipitofrontalis
Axial muscle
Occipital to frontal bone
(paired)
First: Is the following an axial or appendicular muscle
Then, describe the general location of the following muscle:
Orbicularis oculi vs orbicularis oris
Axial muscle
Circle shaped
Oculi = eye (paired)
Oris = mouth
First: Is the following an axial or appendicular muscle
Then, describe the general location of the following muscle:
Buccinator
Axial muscle
Cheek / thin muscles (paired)
First: Is the following an axial or appendicular muscle
Then, describe the general location of the following muscle:
Nasalis
Axial muscle
Goes over nose (paired)
First: Is the following an axial or appendicular muscle
Then, describe the general location of the following muscle:
Platysma
Axial muscle
Anterior to neck (paired)
(spider fingers up neck)
First: Is the following an axial or appendicular muscle
Then, describe the general location of the following muscle:
Temporalis
Axial muscle
Plays a role in mastication (chewing)
- located on sides of the head
(paired)
First: Is the following an axial or appendicular muscle
Then, describe the general location of the following muscle:
Masseter
Axial muscle
Plays a role in mastication (chewing)
- located on sides of the face/cheeks
(paired)
First: Is the following an axial or appendicular muscle
Then, describe the general location of the following muscle:
External and internal obliques
Rectus abdominis
Transverse abdominis
Axial muscle
6 pack
- in abdomen
Exterior = external oblique
Next = rectus abdominis
Inferior = internal oblique
Very inside = transverse abdominis
First: Is the following an axial or appendicular muscle
Then, describe the general location of the following muscle:
Diaphragm
Axial muscle
Inferior to thoracic cavity
- plays a role in breathing
First: Is the following an axial or appendicular muscle
Then, describe the general location of the following muscle:
Transverse perennials (deep and superficial)
Axial muscle
Deep and superficial
- part of the pelvic floor
Superficial = much thinner
Deep = bigger
First: Is the following an axial or appendicular muscle
Then, describe the general location of the following muscle:
External anal sphincter
Axial muscle
Controls defecation
- controls release of feces
List all the axial muscles:
POOTT N TROMBONED
- Platysma
- Orbicularis oris
- Orbicularis oculi
- Temporalis
- Transverse abdominis
- Nasalis
- Transverse perennials
- Rectus abdominis
- Occipitofrontalis
- Masseter
- Buccinator
- Obliques (external and internal)
- External anal sphincter
- Diaphragm
What are the four main groups of muscles in the axial skeleton
- Head/neck
- Vertebral column
- Trunk
- Pelvic floor
Muscles of Mastication
- Masseter (deep and superficial)
- Temporalis
- Pterygoid (medial and lateral)
Muscles of Facial Expression
Occipitofrontalis - moves forehead and eyebrows
Orbicularis oculi - open and close eyes
Orbicularis oris - purse the lips
Zygomaticus - raise corners of the mouth
Buccinator - compress cheeks
Levator/depressor anguli/labii inferioris/superioris
Muscles for the tongue all end in “glossus” (latin for tongue): Name all 5 tongue muscles
PH GST
- Genioglossus
- Hyoglossus
- Palatoglossus
- Styloglossus
- Tongue
3 Muscles of the pharynx
- Pharyngeal constrictors
- Laryngeal elevators
- Palatal muscles
How can you identify if a muscle attaches to the hyoid
Its not the diagastric or sternothyroid, the muscle will end in “-hyoid”
What are the scalene muscles and where can they be found
Muscles that flex and rotate the neck, elevate the upper two ribs during inspiration
- anterior scalene
- middle scalene
- posterior scalene
Describe the muscles involved in spinal extension
(deep/superificial?)
Erector spinae (deep/superficial?)
- spinalis (medial)
- longissimus (intermediate)
- iliocostalis (lateral)
Describe the muscles involved in spinal flexion
Spinal flexors
- longus capitis
- longus colli
- quadratus lumborum
External and internal intercostals
External intercostals = forced inhalation
Internal intercostals = forced exhalation
- external intercostals
- internal intercostals
- innermost intercostals
What are the three muscles of the urogenital triangle
- superficial transverse perineal
- bulbospongiosus
- ischiocavernosus
What are the three muscles of the anal triangle
- levator ani
- external anal sphincter
- coccygeus muscle