Chapter 3: Skeletal System Flashcards
General term for any type of bony prominence
Process
General term for an area of bone that consists of a flat, bony structure
Plate
General term for a relatively large oval, convex bone prominence that is usually involved in joints
Condyle
General term for a rounded surface projecting from a bone located by a neck
Head
General term for a large, often rough prominence on a bone that usually serves as an attachment for muscles or tendons
Tuberosity
general term for a bone that is shaped like a bridge, with a bowlike outline
arch
general term for a hornlike prominence on a bone
cornu
a small prominence that is located superior (above) or on a condyle
epicondyle
used to describe a rounded elevation on a bony surface
tubercle
used to describe a rounded elevation on a bony surface
eminence
prominent, often roughened border or ridge on a bone
crest
a small, straight ridge on bone
line
an abrupt prominence on bone that may be blunt or sharply pointed
spine
general term for an indentation at the edge of a bone
incisura
general term for an indentation at the edge of a bone
notch
a shallow depression or groove on bone that usually marks the course of a blood vessel
sulcus (plural, sulci)
6 types of bony openings
Foramen Canal Meatus Fissure Ostium Aperture
Short windowlike opening in the bone
Foramen ( plural, foramina)
Longer, narrow, tubelike opening in the bone
Canal
Bone opening that is a type of canal
Meatus
A narrow, cleftlike opening in the bone
Fissure
A bone opening that is small and also serves as an entrance into a hollow organ or canal
Ostium (plural, ostia)
General term used for an opening or orifice in a bone
Aperture
generally a deeper depression on a bony surface
fossa (plural, fossae)
area of the skeleton where bones are joined to each other
articulation
a union of bones joined by fibrous tissue
suture
how many bones make up the skull?
22
how are the bones of the skull divided?
cranium with its cranial bones
face with its facial bones
what are the facial bones of the skull?
lacrimal bone nasal bone vomer inferior nasal concha zygomatic bone maxilla mandible palatine bone
coronal sutures join
frontal bone and parietal bones
frontonasal suture join
frontal bone and nasal bones
intermaxillary suture join
maxillae
lambdoidal suture join
occipital bone and parietal bones
median palatine suture join
anterior: maxillae
posterior: palatine bones
sagittal suture join
parietal bones
squamosal sutures join
temporal bones and parietal bones
temporozygomatic sutures join
zygomatic bones and temporal bones
transverse palatine suture join
maxillae and palatine bones
deepest part of the orbit; composed of the lesser wing of the sphenoid bone and palatine bone
orbital apex
round opening in the orbital apex
optic canal
what passes through optic canal?
second cranial or optic nerve
ophthalmic artery
anterior opening of the nasal cavity
piriform aperture
