Skeleton Flashcards

Terms Definitions
upper jaw
a metacarpal bone.
top, above your jaw.
the skull of a vertebrate.
a bone in the metatarsus.
the bone of the lower jaw.
of or pertaining to the metatarsus.
(in humans) either of two slender bones, each articulating with the sternum and a scapula and forming the anterior part of a shoulder; collarbone.
any of the bones of the wrist.
a small triangular bone forming the lower extremity of the spinal column in humans, consisting of four ankylosed rudimentary vertebrae.
that part of either innominate bone that, with the corresponding part of the other, forms the front of the pelvis.
a firm, elastic, flexible type of connective tissue of a translucent whitish or yellowish color; gristle.
a small triangular bone forming the lower extremity of the spinal column in humans, consisting of four ankylosed rudimentary vertebrae.
either of two flat, triangular bones, each forming the back part of a shoulder in humans; shoulder blade.
inferior nasal conchae
lower section. like a conch shell
coronal suture
separate the front and back. Frontal from perital.
sagittal suture:
where the occipital and perital bones join. separate the right and left of skull
styloid process
small and pointy. Underside of the skull. #9
the basinlike cavity in the lower part of the trunk of many vertebrates, formed in humans by the innominate bones, sacrum, etc.
a bone resulting from the fusion of two or more vertebrae between the lumbar and the coccygeal regions, in humans being composed usually of five fused vertebrae and forming the posterior wall of the pelvis.
a band of tissue, usually white and fibrous, serving to connect bones, hold organs in place, etc.
(in ancient Greece) a group of heavily armed infantry formed in ranks and files close and deep, with shields joined and long spears overlapping.
a bone or series of bones extending along the middle line of the ventral portion of the body of most vertebrates, consisting in humans of a flat, narrow bone connected with the clavicles and the true ribs; breastbone.
any bone of the metacarpus of the human hand or the front foot in quadrupeds
in the nasal cavity, runs all the way through, down the center. very thin.
anterior nasal spine
little thin bone under nose and above upper lip
the bone of the forearm on the thumb side.
the long bone in the arm of humans extending from the shoulder to the elbow.
the flat, movable bone at the front of the knee; kneecap.
a bone in the human leg extending from the pelvis to the knee, that is the longest, largest, and strongest in the body; thighbone.
the back part of the human foot, below and behind the ankle.
the bone of the forearm on the side opposite to the thumb.
one of a series of curved bones that are articulated with the vertebrae and occur in pairs, 12 in humans, on each side of the vertebrate body, certain pairs being connected with the sternum and forming the thoracic wall.
the inner of the two bones of the leg, that extend from the knee to the ankle and articulate with the femur and the talus; shinbone.
in front
collar bone -2
short thick contraction
hunchback of the spine
transverse process
sides of vertebra
anchor muscle to bone
Appendicular Skeleton
Pectoral (shoulder) girdlesClavicle and ScapulaUpper limbsPelvic girdleLower limbs
endorchondral and intramembraneous are the 2 parts of
mesh of thin bone
spongy bone
Point of attachment for the sternocleidomastoid.
a natural prolongation or projection from a part of an organism
forms the heal of the foot
olecranon fossa
on the distal anterior ulna
two structures of the myofilaments
myosin, actin
Temporal bone is _______ to the parietal bone
Vertebral foramen
tunnel through body which houses spinal cord
how many vertebrae does the sacrum have?
which is longer the radius or ulna?
Lower jawbone; U shaped, largest bone of the face.
a membrane that lines the outer surface of all bones
Where are laryngeal cartilages found?
Construct the larynx
medial cuneiform
wedge-shaped bone, especially one of three bones in the tarsus of the foot
Foramen Magnum
Large opening through which the spinal chord passes
What is bigger, the tibia or the fibula?
Cranial bones
in direct contact with the brain, joined by sutures (synarthroses)
how many bones of the toes are there?
forms the major portion of the elbow joint with the humerus
Consists of the paired coxal bones that attach the lower limbs to the axial skeleton.
Pelvic Girdle
Define a suture
A joint in an adult skull
3 parts of the sternum
manubrium, body, xiphoid process
Canals that lead back to the Central Canal
Parts of the sternum
Body, manibrium and xyphoid procress
What is a honeycomb of small needle-like pieces of bone?
aka Spongy bone
Tympanic process
forms the ridge which houses the inner ear
what does each transverse process of the cervical vertebrae contain?
a transverse foramen
obituator foramen
largest one, in the pelvic bone where blood vessels and nerves pass up to the spine
What is the name of our shoulder socket?
Glenoid cavity/fossa
the outer and thinner of the two bones of the human leg, extending from the knee to the ankle.
Cheek is made of
a zygomatic arch, which is an articulation between the zygomatic bone (cheekbone) and the zygomatic process of the temporal bone.
What is the endosteum?
internal bone surface membrane in the medullary cavity
covers the trabeculae of spongy bone and lines the canals of the compact bone
contains osteoclasts and osteoblasts
What are the cranium bones?
paired bones: parietal and temporal bones
unpaired bones: frontal, occipital, and sphenoid bones
Temporomandibular joint (TMJ)
the joint between the head of the lower jawbone and the temporal bone
what are the major markings of the sphenoid bone?
sella turcicahypophyseal fossapterygoid processes
Desribe the endrochondral process
Starts with a hyline cartilage model of the body. The process changes the Ph in the cartilage model causing the cartilage to be changed into bone.
Desribe the endrochondral process
starts with hyline cartialge...
What two regions contribute to the
secondary curvatures of the spine and in
what direction does the open side of the
curve face?
 Cervical and Lumbar
 Posteriorly
What are the two organs that the Bony Thorax protects?
Heart and Lungs
what is the function of the pelvic girdle?
secures the lower limbs
What is a crest?
A ridge along the top of a bone.
Sections of the vertebral column and their numbers
1. Cervical (7)2. Thoracic (12)3. Lumbar (5)4. Sacral5. Coccyx
what does the talus articulate with?
the tibia and fibula superiorly and the calcaneus inferiorly
The angle inferior to the symphysis pubis
(subpubic angle) helps us quickly determine
if a pelvis is male or female. Describe the
Female – Wider, arched, >100 degrees
 Male – Narrow, angular, < 90 degrees
How many lumbar vertebrae?
5 - lower back, large to support a lot of weight
What are the two basic types of bone tissues?
Compact (outer layer) and Spongy (internal layer)
what forms the roof of the nasal cavity?
the cribriform plate of the ethmoid bone
what is the function of the facial bones?
supply the framework of the face, the sense organs and the teethprovide openings for the passage of air and foodanchor the facial muscles of expression
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