Human A&P Chapter 7
What is included in the nasal septum?
-Ethmoid bone -Vomer -Septal Cartilage
name the 4 sinuses of your face
-Frontal -Ethoidal air cells -Sphenoid -Maxillary
In the orbits cavity what 2 bones are on the roof of the orbits?
-Frontal -Sphenoid
Besides the cranial cavity, the skull also forms several smaller cavities called?
-Nasal cavity -Orbits -Paranasal sinuses -Organs of hearing and equilibrium
name the 4 major fontanels
-Posterior -Anterior -Anterolateral -Posterolateral
Name the 4 cranial sutures
-Sagittal -Coronal -Lambdoid -Squamous
C1; ______ C2; ______ C7;______
-atlas -axis -vertebra prominens
Name the vertebral column (superior to inferior)
-cervical region -thoracic region -lumbar region -sacrum -coccyx
These three supporting structures allow posture and movement
-ligament -muscles -intervertebral discs
name the three major abnormal spinal curves
-lordosis -scoliosis -kyphosis
Sternum has three major parts, name from superior to inferior
-manubrium -body -Xiphoid process
in the orbits cavity, what 4 bones are on the medial wall of the orbits?
-maxilla -lacrimal -ethmoidal -sphenoid
in the orbits cavity, what 3 bones are on the floor of the orbits?
-maxilla -zygomatic -Palatine
Cranial and facial bones ________ and support _____ ______ organs and the brain
-protect -special sense
what are the functions of the vertebral column
-protect spinal cord -supports head -attachment for ribs, pelvic girdle and muscles -allows movement -maintain upright posture
What are the functions of the hyoid bone?
-supports tongue -provides attachment sites for muscles of tongue, neck and pharynx -helps to keep the larynx open
The typical cervical vertebrae has what
-triangular verebral foramen - 3 foramina 1 vertebral foramen 2 transverse
what is the purpose of the conchae/turbinate in the ethmoid bone?
-warm, moisten and cleanse inhaled air. -increase area for sense of smell
in the orbits cavity, what 2 bones are on the lateral wall of the orbits?
-zygomatic -sphenoid
What are fontanels
area of unossified tissue that link the cranial bones at birth
ribs are called false ribs when they what?
attach indirectly or lack a sternal attachment
Ribs are called true ribs when they what?
attach sternum with their own costal cartilage
ligament have strong bands of what kind of tissue
dense connective tissue
Which of these bones articulates with the acetabulum of the coxal bone?
femur
in the intervertebral discs, there are _________ cushions between bodies of the adjacent vertebrae
fibrocartilagious
The head of the humerus fits into the ________ of the scapula
glenoid cavity
Which bones form the shoulder joint?
humerus and scapula
what is part of the free part
humerus, ulna, radius, carpal, metacarpal and phalanges
the pelvic girdle consist of
ilium, pubis and ischium
define sutures
immovable joints that hold most skull bones together
Which of these bones form the hard palate?
maxillary and palatine
what are the functions of the intervertebral discs
movement of the vertebral column and absorb vertical shock
what bones are part of the facial bones?
nasal, maxillae, zygomatic, mandible, lacrimal, palatine , inferior nasal conchae, and vomer
what is the purpose of fontanels
provide flexibility to fetal skull, allowing to change shape as it passes through the birth canal
two coxal bones joined anteriorly by ______ ________
pubic symphsis
what are fontanels replaced by
sutures
which two cavities are concave in the adult vertebral curvatures
thoracic and sacral
which number ribs are true ribs?
1-7
What number ribs are considered the floating ribs
11 and 12
The dens is a process projecting from the _______
Axis
Bones of the skull are grouped into what two categories?
Cranial and Facial
What causes the pain associated with a herniated disc? a. vertebral bodies scraping against each other b. bone spurs pressing against nerves c. abnormal spinal curvature pinching the spinal cord d. pressure on spinal nerves by the protruding disc
D
Which is the correct order of ribs, from superior to inferior? a. true ribs, floating ribs, false ribs b.floating ribs, false ribs, true ribs c.floating ribs, true ribs, false ribs d.true ribs, false ribs, floating ribs e.false ribs, floating ribs, true ribs
D
What bones are part of the cranial bones?
Frontal, parietal, temporal, occipital, sphenoid, and ethmoid
What are the two separate regions of the skeleton of the upper limb
Pectoral girdle and free part
Which bone of the cranium contains a small depression that surrounds the pituitary gland?
Spheniod bone
The hyoid bone does not articulate with any other bone . True or False
True
which two cavities are convex in the adult vertebral curvatures
cervical and lumbar
what is part of the pectoral girdle
clavicle and scapula