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vity Savod Label the specific bony features of the skull in lateral view Pronion Lacrimal fossa External acoustic meatus Squamous suture Coronal suture Lambdoid suture < Prev 11 of 69 !!! Next > earch hp

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vity Label the specific bony features of the skull in lateral view coronal suture pterion Pterion squamous suture lacrimal fossa Lacrimal fossa external acoustic meatus External acoustic meatus Squamous suture Coronal suture lambdoid suture Lambdoid suture < Prev 11 of 69 Next > earch

Coronal suture - coronal suture is between forntal and parietal bone.

Lacrimal fossa - location: inferior surface of orbital plate of frontal bone. Lacrimal sac is located in the upper part of lacrimal fossa and nasolacrimal duct in lower part.

Pterion - it's the point on the lateral side of the skull where frontal, temporal, sphenoid, parietal bone join together. Location: on the lateral aspect of the skull. Anatomical Significance: it's located above the anterior division of middle meningeal artery. Importance: A heavy blow on the pterion can cause rupture of anterior branch of MMA and also carotid artery and can cause death of the patient.

Squamous suture - squamous suture is located between parital and temopral bone.

Lambdoid suture - is located between parital bones and occipital bone.It connect the parietal bones with occipital bone.Sagittal suture(between parietal bone) and lambdoid suture get a characteristic lambda shape.

External acoustic meatus - conduct sounds from outside to the tympanic membrane. Shape: "s" shape. Length: 24mm. Parts: outer cartilaginous part(1/3) and inner bony part(2/3). Note - Hair follicle are only present in cartilaginous part and not on bony part; hence furunculosis(infection of hair follicle) is only seen in cartilaginous part.