Anatomy lecture 1 Flashcards
What is the name of the outlined bone
Trapezium
What is the name of the outlined bone
Trapezoid
What is the name of the outlined bone?
Capitate
What is the name of the outlined bone?
Hamate
What is the name of the outlined bone?
Scaphoid
What is the name of the outlined bone?
Lunate
What is the name of the outlined bone?
Triquetrum
Which metacarpal is outlined?
1
Which metacarpal is outlined?
2
Which metacarpal is outlined?
3
Which metacarpal is outlined?
4
Which metacarpal is outlined?
5
What bone is outlined?
Distal Phalange
What bone is outlined?
Middle Phalange
What bone is outlined?
Proximal Phalange
What is the red line pointing to ?
Distal Phalanx
What is the red line pointing to ?
Head of middle phalanx
What is the red line pointing to ?
Head of proximal phalanx
What are the lines pointing to ?
Red: head
Blue: tubercle
Green: shaft
Yellow: base
Black: 5th metacarpal
What is the red line pointing to ?
Hook of Hamate
What bone is outlined?
Pisiform
What view of the hand is this?
Posterior
What view of the hand is this?
Anterior
What bone is outlined?
Triquetrum
What bone is outlined?
Lunate
What is the red line pointing at?
Tubercle of Scaphoid
What is the red line pointing at?
Tubercle of Trapezium
What bone is outlined?
Trapezoid
What bone is outlined?
Capitate
What ate the red lines pointing at?
Sesamoid bones
What is anatomical position?
- body erect
- feet slightly apart
- palms facing forward
- thumbs point away from body
What is the Median plane?
divides the body into right and left
What is the Sagittal Plane?
Plane that is parallel to median plane
What is the Frontal (Coronal) Plane?
Divides the body into anterior and posterior parts
What is the Transverse (cross section) plane?
Divided the body into superior and inferior parts
Superior and inferior
Toward and away from head
Anterior and posterior
toward the front and back of the body
Medial and lateral
Toward the midline, away from midline
Proximal and distal
Closer to and farther from the origin of the body
Superficial and deep
Toward and away from the body surface
What makes up the Integumentary system?
- skin
- sweat glands
- oil glands
- hair
- nails
- epidermis
- dermis
What is the role of the Integumentary system?
- external covering
- protects deep tissues from injury and infections
- first line of defense
- regulate body temp
- perception of stimuli
- synthesized vitamin D (sunlight)
What is the largest organ?
skin
Contraction of arrestor muscles causes
goose bumps
What is Diaphysis?
Shaft
What is Epiphysial plate?
Growth plate
Lone bone consist of what two things
- Epiphysis
- Diaphysis
What is osteoporosis?
poor density of bone
What is muscle hypertrophy?
enlarge
What is the landmark dermatome for C2?
posterior half of skull “CAP”
What is the landmark dermatome for C3?
high turtle neck shirt
What is the landmark dermatome for C4?
Low collar shirt
What is the landmark dermatome for T4
At the nipple
What is the landmark dermatome for T7?
Xiphoid process
What’s the land mark dermatome for T 10?
belly bu-TEN
What is the landmark dermatome for L1
Inguinal region
What is the landmark dermatome for L4
Knee caps
What is the landmark dermatome for S2,3,4
erection and sensation of penile and anal area
- “S2,3,4 keep the penis off the floor” -Dr.Mo
All preganglionic fibers pass through what?
White rami in route to the paravertebral ganglia
Where do sympathetic postganglionic neurons pass through to reach the spinal nerve?
Gray rami communications
What spinal nerve are gray rami distributed to?
All spinal nerves
Where are white rami distributed to? and where do they arise from ?
T1-L3
Gray rami allow ____?
why is it important?
- Coordinated, mass discharge of sympathetic nervous system
- fight or flight
Myelin sheath formed by what?
What is the importance?
- Schwann cells
- insulate neuron for high speed transmission of impulses
Cell to cell transmission is by _______?
Neurotransmitters
What is a dermatome?
Area of skin supplied by each spinal nerve
What is a myotome?
muscle mass supplied by each spinal nerve
What are visceral motor fibers?
- supply impulses to smooth muscles (blood vessels)
- part of the sympathetic nervous system
Sympathetic nervous system
fight or flight situations
Parasympathetic nervous system
relax and digest
What does postganglionic stimulation of sympathetic neuron release?
Norepinephrine
What does postganglionic stimulation of parasympathetic neuron release?
Acetylcholine
How many layers surround the spinal cord?
3
What makes up the peripheral nervous system?
- spinal ganglion
- cranial nerves
- cranial ganglion
- spinal ganglion
What makes up the Central nervous system?
- spinal cord
- brain
how many spinal nerves and how many in each category ?
- 31 pairs
- 8 cervical nerve pair
- 12 thoracic nerve pair
- 5 lumbar nerve pair
- 5 sacral nerve pair
- 1 coccygeal nerve pair
What bone structure does the radial nerve originate from?
Radial Groove
Humerus Facture site of the surgical neck effects what nerve?
- Axillary nerve
Humerus fracture site of the Radial Groove effects what nerve?
- Radial Nerve
Humerus fracture site of the Distal End effects what nerve?
Median nerve
Humerus Fracture site of the Medial Epicondyle effects what nerve?
Ulnar nerve
What is a Colles Fracture? what does it look like?
- Fracture of radius and slight fracture of styloid process of ulna
- Dinner fork fracture