Lab Bold Terms 1-11 Flashcards
portion of scapula that articulates with clavicle
acromion
bony division between supraspinatus and infraspinatus
scapular spine
portion of scapula whose ligamental attachment bridges with acromion to bridge over supraspinatus
coracoid process
a ligament turns this into a foramen through which the suprascapular artery and nerve pass
scapular notch (suprascapular notch)
this surface of the scapula articulates with the head of the humerus
glenoid cavity (fossa)
the long head of the triceps originates on this portion of the scapula
the lateral border
the rhomboids insert on this portion of the scapula
medial border
the coracoid projects from this portion of the scapula
superior border
the acromion is an extension of this portion of the scapula
scapular spine
this bone articulates with the acromion
clavicle
this is the only bony articulation connecting the upper extremity to the axial skeleton
sternoclavicular joint
this portion of the humerus articulates with the glenoid fossa
head
this portion of the humerus defines the border between the head and the diaphysis
anatomical neck
this portion of the humerus is where a cut would be made to replace the humeral head
surgical neck
the supraspinatus inserts on this portion of the humerus
greater tuberosity
the subscapularis inserts on this portion of the humerus
lesser tuberosity
the bicipital tendon for the long head of the biceps passes through this portion of the humerus
intertubercular groove
superior insertion of the trapezius
clavicle
middle insertions of trapezius (2)
spine of scapula and acromion
inferior insertion of trapezius
spine of scapula
nerve that inserts on deep surface of trapezius
spinal accessory nerve (cranial nerve XI)
this muscle connects the the medial border of the scapula to the spinous processes of the vertebral column (larger and caudal)
rhomboid major
this muscle connects the medial border of the scapula to the spinous processes of the vertebral column (smaller and superior)
rhomboid minor
this muscle inserts on the superior aspect of the medial border of the scapula, originates on transverse processes of C1 to C4
levator scapulae
this muscle originates on the ribs, a loss of its function results in scapular winiging
serratus anterior
this muscle originates on the spinous processes of the vertebra and the iliac crest and inserts on the crest of the lesser tubercle of the humerus
latissimus dorsi
this is the caudal-most origin of the latissimus dorsi
iliac crest
this muscle originates on the inferior angle of the scapula and inserts on the humerus
teres major
this nerve innervates the latissimus dorsi
thoracodorsal nerve
this artery feeds the latissimus dorsi
thoracodorsal artery
this muscle originates on the ligamentum nuchae and inserts on the skull (superior, larger)
splenius capitus
this muscle originates on the cervical and thoracic vertebrae and inserts on the skull (caudal and smaller)
splenius cervicis
this collection of ligaments is an attachment point for many muscles of the neck
ligamentum nuchae (nuchal ligament)
this nerve passes through the semispinalis capitis muscle
greater occipital nerve (C2)
this muscle runs parallel to the vertebral column, deep to the splenius group
semispinalis capitis
these three muscles make up the erector spinae (listed from medial to lateral)
spinalis
longissimus
iliocostalis
this muscle group is the top layer of the intrinsic back muscles
erector spinae
this is the medial-most of the erector spinae muscles
spinalis
this is the middle (not medial) erector spinae muscle
longissimus
this is the lateral-most erector spinae muscle
iliocostalis
this is the bulky part of a typical vertebra
body
this is the rest of a typical vertebra (when you exclude the bulky part)
arch
this connects the body of a vertebra to the transverse processes
pedicle
this connects the transverse process of a vertebra to the spinous process
lamina
this is the dorsal-most part of a vertebra
spinous process
these are the lateral projections of a vertebra (articulating with ribs in throacic)
transverse process
this is the hole through which spinal nerves exit
intervertebral foramen
this is where one might find a spinal cord
vertebral canal
this connects the lamina of two vertebra
ligamentum flavum
this runs longitudinally and connects the ventral surfaces of vertebral bodies
anterior longitudinal ligament
this runs longitudinally and connects the dorsal surfaces of the vertebral bodies
posterior longitudinal ligament
this is the distal end of the spinal cord
conus medullaris
the conus medullaris tends to land at this vertebral location
L1/L2
there are ____ pairs of spinal nerves
31
there are ____ pairs of cervical spinal nerves
8
there are ____ pairs of thoracic spinal nerves
12
there are _____ pairs of lumbar spinal nerves
5
there are _____ pairs of sacral spinal nerves
5
the distal most spinal nerve pair is referred to as
coccygeal
this is the loose collection of ventral and dorsal roots found in the vertebral canal distal to the conus medullaris
cauda equina
this is the continuation of the pia mater that continues distally to the conus medullaris
filum terminale
this is the area outside of the dura mater
epidural space
this package terminates at about S2
dural sac
the dural sac terminates at this vertebral locale
S2
this membrane lines the inside of the dural sac
arachnoid mater
this space contains CSF
subarachnoid space
this is the delicate covering of the spinal cord
pia mater
this is the fibrous nervous tissue that exits the spinal cord and joins together to form a spinal nerve
rootlets (dorsal and ventral)
these are the two bundles that come together to form a spinal nerve
dorsal and ventral roots
this is the bundle of cell bodies that forms a lump on the dorsal root
dorsal root ganglion
these are the two divisions of a spinal nerve shortly after exiting the intervertebral foramen
dorsal and ventral rami
this muscle originates on the acromion and clavicle and inserts on the lateral humerus
deltoid
this muscle originates on the medial border of the scapula and inserts on the dorsal portion of the greater tubercle
infraspinatus
this nerve innervates the deltoid muscle
axillary nerve
this artery accompanies the axillary nerve through the quadrangular space
posterior humeral circumflex artery
this nerve accompanies the posterior humeral circumflex artery through the quadrangular space
axillary nerve
this muscle originates above the scapular spine and inserts just laterally to the humeral head
supraspinatus
this muscle forms the roof of the quadrangular space
teres minor
this muscle originates on the inferior dorsal scapula and inserts on the anterior humerus
teres major
this muscle originates on the lateral border of the scapula and inserts on the olecranon process of the ulna
long head of triceps brachii
this muscle originates on posterior humerus, and inserts on the olecranon process of the ulna
lateral head of triceps brachii
this nerve accompanies the deep brachial artery along the spiral groove of the posterior humerus
radial nerve
this artery accompanies the radial nerve along the spiral groove of the posterior humerus
deep brachial artery
you can find this artery and nerve between the long and lateral heads of the triceps brachii
radial nerve and deep brachial artery