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Axial Skeleton
Axial Skeleton
17
Anatomy
Undergraduate 2
02/21/2010

Additional Anatomy Flashcards

 


 

Cards

Term

Frontal bone

Supraorbital notch/ foramen

Definition

 

notch in the superior margin of the orbital arch for transmitting supraorbital vessels and nerve.

Term

Frontal bone

Coronal suture

Definition

a seam extending across the skull where the frontal bone and the parietal bones meet.

Term

Parietal bone

Sagittal suture between parietal bones

Definition
relating to or denoting the suture on top of the skull that runs between the parietal bones in a front to back 
Term

Occipital bone

Occipital condyles

Definition
Smooth knob on each side of the foramen magnum (largest opening into the cranial cavity) where the skull rests on the vertebral column
Term

Occipital bone

foramen magnum

Definition
The largest opening into the cranial cavity , at the point where the occipital bone articulates with the vertebral column; allows passage of the spinal cord and vertebral arteries into the cranial cavity.
Term

Occipital bone 

Lambdoidal suture

Definition
the lambda-shaped (11th letter in the greek alphabet) seam or line of joining between the occipital and two parietal bones at the back part of the skull.
Term

Occipital bone

external occipital protuberance

Definition
A prominence about the centre of the outer surface of the squamous portion of the occipital bone, giving attachment to the ligamentum nuchae.
Term

Temporal bone

styloid process

Definition
a sharp spine that projects downward and forward from the inferior surface of the temporal bone just in front of the stylomastoid foramen and that is derived from cartilage of the second visceral arch
Term

Temporal bone

external auditory meatus

Definition
passageway that leads from the outside of the head to the tympanic membrane, or eardrum membrane, of each ear. 
Term

Temporal bone

mastoid process

Definition
The mastoid process is located in the posterior portion of the temporal bone. It is one of the two projections situated behind the ear. The mastoid process provides an attachment for certain muscles of the neck.
Term

Temporal bone

internal auditory meatus

Definition
The passage leading inward through the tympanic portion of the temporal bone, from the auricle to the tympanic membrane; it consists of a bony (inner) portion and a fibrocartilaginous (outer) portion, the cartilaginous external acoustic meatus.
Term

Temporal bone

mandibular fossa

Definition
A deep hollow in the squamous portion of the temporal bone at the base of the zygomatic process in which the condyle of the mandible rests. Also called glenoid fossa.
Term

Temporal bone

squamous suture

Definition
The Squamous Suture is a simple joint that unites the parietal and temporal bones of the skull.
Term

Temporal bone

zygomatic process of the temporal bone

Definition

The anterior process of the temporal bone that articulates with the temporal process of the zygomatic boneto form the zygomatic arch.


Term

Temporal bone

carotid canal

Definition
The carotid canal is an aperture in the temporal bone through which the internal carotid artery passes.
Term

Temporal bone

jugular foramen

Definition
A passage between the temporal bone and the occipital bone, containing the internal jugular vein, the inferior petrosal sinus, the glossopharyngeal, vagus, and accessory nerves, and the meningeal branches of the ascending pharyngeal and occipital arteries.
Term

Temporal bone

foramen lacerum

Definition

 an irregular aperture on the lower surface of the skull bounded by parts of the temporal, sphenoid, and occipital bones that gives passage to the internal carotid artery


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