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