ANT Q1 Directional terms & divisions of the skull Flashcards
Directional terms & divisions of the skull
Superior
Top of the bone
Inferior
Bottom of the bone
Anterior (Ventral)
Front of the bone
Posterior ( Dorsal)
Back of the bone
Medial
Inside the bone
Lateral
Outside the bone
Proximal
Top of limb
Distal
Bottom of limb
Sagittal (planes)
cut down the center
Coronal (planes)
cut front and back
Skull (divisions)
Cranium and Mandible
Postcranium (division)
Everything below the skull
Axial Skeleton (division)
Skull, vertable column, ribs, sternum & hyoid (throat)
Appendicular
Upper & lower extremities (aka limbs), gridles (shoulders & hip) Os Coxa (pelvis)
of bones in a human body
206 adult & 600 in fetal or infant
of bones form the skull
28 -Sutures
of ribs in total
24
12 ribs on each side
True ribs
1-7
False ribs
8-10
Floating ribs
11-12
3 parts of the sternum
1) Manubrim
2) Body
3) Xiphoid process
Thorax
chest (rib cage)
Sternum
breast bone
Wrist
carpals
Hand
Metacarpals
Fingers
Hand phalanges (14 total phalanges in hand & feet)
Upper extremitys (name all 6)
1) Humerus
2) Ulna
3) Radius(forearm)
4) Carpals(wrist)
5) Metacarpals(hand)
6) Phalanges(fingers)
Lower extremitys
1) Femur
2) Patella
3) Tibia
4) Fibula
5) Tarsals
Functions of the bones
support protect movement storage (minerals &fat) blood cell formation
Endocranial
inner table
Ectocranial
outer table
Long bone structure
Long, short, flat & irregular
Epiphysis
End (Spong ,trabeculae, or cancellous bone)
Diaphysis
Shaft (compact bone)
Fontalles
Soft part of babys skull
Sinuses definition
Hallow areas withtin some of the bones of the cranium
Sinus 3 of them
Maxillary, ethmoid and sphenoid
Vertebral arch
spinous process, lamina and pedicle
Vertebral form
basic form is a body and vertebral arch
Name 3 types of vertebrea
Cervical, thoracic and lumbar
Cerivical
smallest
extra foremen
Thoracic
Medium
ribs attatch to them
Lumbar
Largest
no other feature
Axis
Attatches to the skull ( occupital condial)
3 bones of the pelvis
Sacrum, and right and left os coxa
3 parts of the pelvis
Ilium
Ischium
Pubis
3 features of the pelvis
Iliac blade
Acetabulum
Iichial tuberosity
Pubis
Most important part in adult skeleton sex,age and child birth
Lower Extremities
Proximal 1) Femur 2)Patella 3)Tibia 4)Fibula 5)Tarsals 6)metatarsals 7)Foot phalanges Distal
How many tarsals in a foot
7
2 parts of the tarsal
1) Talus- ankel joint (attaches to Fibula& Tibia)
2) Calcaneus- heel bone
Femoral Head
Attaches to the acetabulum