What is the function of crista galli?

What is the function of crista galli?

The crista galli (“rooster’s comb or crest”) is a small upward bony projection located at the midline. It functions as an anterior attachment point for one of the covering layers of the brain.

What is crista galli anatomy?

Medical Definition of crista galli : an upright process on the anterior portion of the cribriform plate to which the anterior part of the falx cerebri is attached.

What is the function of cribriform plate?

function in sinus system This bone, the cribriform plate, transmits the olfactory nerves that carry the sense of smell.

What bone contains the cribriform plate that has tiny holes for olfactory nerves quizlet?

Tiny openings in the cribriform plate of the ethmoid bone, filaments of cranial nerve 1 the olfactory pass through these holes from the nasal cavity to the brain.

Where are the cribriform plate and crista galli located and what are their functions?

The cribriform plate is enclosed between the two medial orbital walls extending anteroposteriorly from the crista galli to the planum sphenoidale. During the nasal phase, the anterior attachment of the nasal septum is detached from the skull base according to the exposure needed.

What is crista galli of ethmoid bone?

The crista galli is a thick, midline, smooth triangular process arising from the superior surface of the ethmoid bone, projecting into the anterior cranial fossa. It separates the olfactory bulbs, which lie either side of it in the olfactory fossae of the cribriform plate.

Why is it called the crista galli?

Projecting upward from the middle line of the cribriform plate is a thick, smooth, triangular process, the crista galli, so called from its resemblance to a cock’s comb. The long thin posterior border of the crista galli serves for the attachment of the falx cerebri.

Where are the cribriform plate and Crista Galli located and what are their functions?

What does the cribriform plate separate?

The cribriform plate of the ethmoid bone separates the caudal nasal cavity from the brain.

What are the tiny holes in the cribriform plate called?

The olfactory foramina, also known as the cribriform foramina (cribr- is “a sieve” in Greek), is the grouping of holes located on the cribriform plate.

What are the tiny holes in the cribriform plate?

Within the ethmoid bone is the cribriform plate. Axons from the olfactory receptor cells in the nasal cavity send projections into the olfactory bulb, which bundles into cranial nerve I (Olfactory nerve). These axons pass through tiny holes in the cribriform plate called foramina.

What part of the brain is associated with the crista galli?

The crista galli (Latin: “crest of the rooster”) is the upper part of the perpendicular plate of the ethmoid bone of the skull. It rises above the cribriform plate. The falx cerebri (a fold of the dura mater surrounding the brain) attaches to the crista galli….

Crista galli
TA2 724
FMA 57442
Anatomical terms of bone