7/21 Questions Exam 1 Flashcards
What is the definition of an osseous process?
A relatively sharp bony projection from the surface of bone with an increased length
What are the categories of osseous linear depressions?
Notch or Incisure
Groove
Sulcus
What is the definition on an osseous groove?
A long furrow of variable depth on the surface of bone
What is the definition of an osseous sulcus?
A wide groove of variable length and depth on the surface of bone
What are the categories of rounded osseous depressions?
The fovea and fossa
What is the definition of an osseous fovea?
A shallow depression of variable circumference on the surface of bone
What is the definition of an osseous fossa?
A deep depression of variable circumference on the surface of bone
What are the names given to openings on the surface of bone?
Ostium or Orifice and Hiatus
What is the definition of an osseous hiatus?
An irregular opening on the surface of bone
What are the names given to osseous ostia which completely penetrate bone?
Foramen or Canal
What is the definition of an osseous foramen?
An ostium passing completely through a thin region of bone
What is the definition of an osseous canal?
An ostium passing completely through a thick region of bone
What is the name given to an ostium which does not completely penetrate through a region of bone but appears as a blind-ended passageway?
Meatus
What is the definition of an osseous fissure?
An irregular slit-like or crack-like appearance between the surface of adjacent bones
What are the categories of osseous facets?
Flat facets and rounded facets
What are the categories of rounded osseous facets?
Articular heads and articular condyles
What bones form the axial skeleton?
Skull Hyoid Vertebral column Sternum Ribs
What is the name given to the adult skull minus the mandible?
The cranium
What are the names given to the top of the adult skull?
The calvaria or calva
What is the total number of bones forming the typical adult skull?
28 bones
What bones form the neurocranium of the typical adult skull?
Frontal Parietal Temporal Occipital Sphenoid Ethmoid
How many bones form the typical adult neurocranium?
8 bones
How many bones form the facial skeleton (splanchnocranium or visceral skeleton)?
14 bones
What is the name given to the presacral region of the typical adult vertebral column or spinal column?
The spine
What is the total number of bones forming the typical adult spine?
24 bones
How many bones are present in the typical adult sternum?
1 bone
What regions are present along the typical adult sternum?
Manubrium sterni
Corpus sterni
Xiphoid process
How many ribs are present in the typical adult skeleton?
12 pairs or 24 ribs
What is the definition of the osseous elevation called “spine”?
A thorn-like elevation from the surface of bone
