Dictionary > Sphenethmoid

Sphenethmoid

Definition
noun
It designed to both sphenoid and ethmoid regions of the cranium that surrounds the anterior portions of the brain.
Supplement
Sphenethmoid bone of the frog skull is located in front of the parasphenoid bone. It also forms as three bones in mammals comprising the lesser wings of the anterior part of the base, orbitosphenoid and presphenoid, though some fusion might occurs but only parasphenoid are completely absent in mammals.
Sphenoid bone is located in neurocranium that is unpaired which set at the middle of the skull towards the front of temporal bone and basilar part of occipital bone that helps to connect the neurocranium to the facial skeleton. It is also one of the seven bones that coherent to form the orbit and shape like a butterfly.
Ethmoid bone separates the nasal cavity from the brain and situated at the roof of the nose between the two orbits, thus makes up the orbit of the eye.
There are various function integrates in sphenethmoid bone like it serves as a braincase that connects the olfactory nerves and entire optic parts of the fore and mid-brain. It is also important as medial support of the palate which makes it stable and firm. Lastly, it provides articulation of palatoquadrate and intracranial.
Synonyms:
• Sphenoethmoid
Related terms:
• girdle bone
• sphenoid
• ethmoid
See also:
• cranial bone


You will also like...

Ecological Research Measuring & Analysis
Ecological Research: Measuring & Analysis

This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..

Early Mammals on Earth
Early Mammals on Earth

The Earth's ecosphere was rapidly changing and throwing up a wide range of ecological niches that new adaptive organisms..

Biological Viruses
Biological Viruses

Viruses possess both living and non-living characteristics. This unique feature distinguishes them from other organisms...

"Cronopio dentiacutus", a prehistoric mammal (an illustration)
Mammalian Ancestors

Mammals are a diverse group of organisms, where most of them develop their offspring within the uterus of the mother. Ov..

An artistic depiction of Dunkleosteus fish
Fish

The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..

Human perception in action
Human Perception – Neurology

This tutorial investigates perception as two people can interpret the same thing differently. Know more about human perc..