Labss
Pairs of ribs
12
Thoracic vetebrae
12
bones in the appendicular skeleton
126
how many bones in appendicular skeleton
126
total ankle bones
14
total wrist bones
16
Pairs of floating ribs
2
Unfused vertebrae
24
Bones in the thoracic cage
25
Bones in the vertebral
26
total foot/toe bones
38
total hand/finger bones
38
Spinal curves
4
Lumbar vertebrae
5
Pairs of false ribs
5
total hand/finger bones
58
bones in the lower extremities
62
Bones in the upper extremities
64
bones in the upper extremities
64
Cervical vertebrae
7
Pairs of true ribs
7
Lynn has lost quite a bit of weight recently and now notices that a bump is visible in each side of her lower abdomen. palpating it, she feels taht her pelvic bone is protruding. which part?
Anterior Superior Spine
The first cervical vertebrae is called C1 or
Atlas
The second cervical vertebra is called C2 or
Axis
both the biceps broachii and the ___________ flex the forearm
Brachialis
in the male the ____________ pulls the penis erect bit also can constrict the urethra
Bulbospongiosum
which one of these is not a tarsal bone? a. calcaneus b. navicular c. cuneiform d. hamate e. talus
D. Hamate
do not articulate,even indirectly with the sternum
Floating ribs
associated with the frontal bone
Frontalis
The largest long bone of the upper extremities is the
Humerus
Costal cartilages are composed of
Hylaine cartilage tissue
Is a horseshoe shaped bone
Hyoid
The only bone that does not articulate with another bone is
Hyoid
Disks that form a type of joint between the bodies of vertebrae
Intervertebral
Spinal nerves leave the protection of the vertebral column by way of lateral holes or gaps between the vertebrae called the
Intervertebral foramina
The inward curve of the lower back is called the
Lumbar curve
The superior portion of the sternum is called
Manubrium
The middle ridge along the posterior surface of the sacrum is called the
Median sacral crest
jeb accidentally smashed his hand in a car door, breaking one of his bones. if the injury is near the middle of his palm, which type of bone must be involved?
Metacarples
The large, proximal process of the ulna that forms the posterior "point" of the flexed elbow is the
Olecranon
each fascicle, or fasciculus is wrapped with a fibrous
Perimysuium
the origin of the brachialis is __________ to its insertion
Proximal
Is a vertical tunnel through the sacrum for the passage of nerves decending from the spinal cord
Sacral canal
Both the coccyx and _____ are vertebral bones that are actually fused vertebrae
Sacrum
what is the cell membrane of a muscle fiber?
Sarcolemma
what is similar to ER but collects and stores calcium ions in a resting muscle cell
Sarcoplasmic Reticulum (SR)
While skiing in the alps last winter, laura fell and fractured her collarbone. To which bone does this collarbone attach?
Scapula and Sternum
The medial bumps along the midline of your back are caused by the____ of each vertebra
Spinous process
The thoracic vetebrae are ____ to the lumbar vertebrae
Superior
a tube formed by the inward extension of the cell membrane is called an
T tubules
The tailbone is more properly known as
The coccyx
two tyoes of myofilaments in a skeletal muscle cell are thick filaments and
Thin filaments
Kyphosis is a condition in which the vertebral column is distorted giving a person a hunchback. This condition involves an exaggerated
Thoracic curve
The leg is comprised of the
Tibia and fibula
The humeral process that articulates with the ulna is the
Trochlea
Connect directly to the sternum
True
the forearm contains the
Ulna and Radius
in these neurons, a single process from the cell body diverges to form two long branches- one acting as a dendrites and the other as an axon
Unipolar/ or pseudonipolar
All ribs articulate with the
Vertebral
Both radiographs and CT scans use this to form images of antomical structures
X-RAYS
a bundle of parallel neurons in the CNS is called
a Tract
the cauda equina is
a bundle of separate nerves
a junction between two neurons, or between a neuron and effector is called
a synapse
the coxal bones cuplike socket for the head of the femur is called the
acetabulum
adducts a part
adductor
the medial deep groove on the ventral surface of the spinal cord is called the
anterior median fissure
the levator ani raises the
anus
A broad, flat version of a tendon is more accurately called a
aponeurosis
a distinct, branched pattern of white matter in the cerebellum
arbor vitae
connects an afferent neuron to an efferent neuron
association neuron
the soma forms a cone-shaped _________ as it projects to form an axon
axon hillock
have exactly two projections from the cell body
bipolar neurons
short
brevis
oligodendrocytes form myelin sheaths in the
central nervous system
a rounded structure consisting of parallel gyri and dorsal to the brainstem
cerebellum
in order in which CSF passes through them
cerebral aqueduct interventricular foramen fourth ventricle lateral ventricle third ventricle
a roughly cylindrical region of the brain that projects inferiorly from the dienceohalon and anterior to the cerebellum
cerebral cortex
a vascular structure that produces CSF and is present in all the fluid ventricles
choroid plexus
this structure is composed of four colliculi
corpora quadrigemina
a mass of white fibers connecting the left and right cerebral hemispheres
corpus callosum
the gray matter on the surface of the cerebrum
cortex
the latissimusdorsi is on the
dorsal side of the trunk
the correct order for the meninges of the brain--from superficial to deep-- is
dura mater, arachnoid, pia mater
each individual muscle cell has this wrapped around its sarcolemma
endomysium
are ciliated neuroglia that assist the circulation of CSF
ependymal cells
neurological cells called ____________ line the fluid spaces of the brain
ependymal cells
in anatomical order from superficial to deep
epimysium perimysium endomysium sarcolemma
muscles of the quadriceps group all
extend the leg
extends a part
extensor
contract when you take a deep breath
external intercostals
an action potential traveling down a myelinated axon travels__________ than in unmyelinated axon
faster
a muscle associated with the femur may have
femoris in its name
a deep sulcus
fissure
the hamstring muscles all
flex the leg
a muscle hat flexes a joint may have be named by the term
flexor
in grasping a baseball tightly in the hand, one would likely use the
flexor digitorum muscle
the fluid ventricle associated with cerrebellum
fourth ventricle
of the two major types of cells in nerve tissue, the _________ is the most numerous
gilial cell
the large muscle that extends the thigh is the
gluteus maximus
the adductor longus an the ______ are both part of the adductor group.
gracilis
unmyelinated nerve tissue is called
gray matter
a fold of cortical gray matter on the surface of the cerebrum
gyrus
the deltoid insets on the
humerus
a cerebral lobe not visible in an ordinary exteral inspection
insula
the portion of the thalamus that passes through the third ventricle
intermediate mass
help accomplish forced expiration
internal intercostals
the temoralis closes the
jaw
long
longus
the masseter, temoralis, and pterygoids all insert on the
mandible
the sternocleidomastoid inserts on the
mastoid
the most caudal structure of the brain
medulla
small glial cells that phagocytize harmful matter are called
microgilia
in order in which a motor signal might pass
motor area of the brain lateral gray horn anterior gray horn ventral nerve root spinal nerve T6 ventral ramus effector
have multiple dendrites and a single axon extending from the cell body
multipolar
what is a bundle of parallel myofilaments within a muscle fiber called?
myofibril
a bundle of parallel neurons encased in fibrous connective tissue is called a
nerve in the PNS
the gaps between the segments of a myelin sheath are called
nodes of ranvier
the occipitofrontalis, or epicranius, originates on the
occipital bone
either schwawnn cells or extensions of _________ can form myelin sheaths
oligodenderocytes
what closes the eye
orbicularis oculi
a muscle is anchored by its
origin, whereas it pulls at its insertion
what inserts on the humerus
pectoralis major
schwann cells form myein sheaths in the
peripheral nervous system
the extensor digitorum inserts on the
phalanges
the gland is not technically a part of the brain but is attached to the brain via the infundibulum
pituitary
flattened
platy
spinal nerve branches from several spinal segments--vertical levels--- may exchange fibers. such a network of nerve fibers is called a
plexus
the middle of three divisions of the brainstem
pons
in order in which a sensory signal might pass
receptor cervical plexus ventral ramus spinal nerve dorsal root ganglion posterior gray horn sensory area of the brain
parallel to the midline of the body
rectus
the rippling effect seen on the lower midline of the abdomens of some athletes is caused by hypertrophy of the
rectus abdominis muscle
rotates a part
rotators
the sacrum and coxal bone are joined at the
sacroiliac joint
a vein in the dura mater roughly parallel to the longitudinal fissure
sagittal sinus
a repeating pattern, or unit of myofibrils within the myofilaments is the
sarcomere
the muscles that pulls the leg so that you can cross it over the other leg while sitting is called the
sartorius muscle
the membrane that separates the left and right lateral ventricles
septum pellucidum
both the gastrocnemius and the what flexes foot
soleus plantar
a muscle around an opening may be named by the term
sphincter
encircles an opening or tube
sphincter
help maintain posture o
spinae
the pectoralis major is ___________ to the pecoralis minor
superifical
are small distal branches of an axon
telodendria
an entire muscle is covered muscle is covered with a fibrous sheath called
the epimysium
large groups of neuron cell bodies are likely to be found in
the lateral gray horn the gray commissure a dorsal root ganglion
the long ridge that runs along the front of the tibia is called the
tibial crest
associated with the ulna
ulnar
a group of myelinated fibers may form a region of nerve tissue called
white matter