Orbital Definition Anatomy

Anatomy and physiology chapter 1. Lacrimal bone small fragile bone making up part of the front inner walls of each eye socket and providing room for the passage of the lacrimal ducts.

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The bony cavity containing the eyeball and its adnexa.

Orbital definition anatomy. Orbit can refer to the bony socket or it can also be used to imply the contents. In anatomy pertaining to the orbit the bony cavity that contains the eyeball. Bodily cavity cavum cavity anatomy a natural hollow or sinus within the body.

Protects the body keeps harmful material out regulates body temperature senses and responds to the environment and creates important chemicals. Medially it is thin and becoming separated from the medial palpebral ligament. The electron in that state.

Dictionary thesaurus legal encyclopedia. The medial orbital rim is less defined than the other rims. Orbita ta orbital cavity.

Short motor root from inferior division of cn iii supplying the inferior oblique postganglionic fibers supply the iris sphincter. The inferior half is the infraorbital margin. A long sensory root from the nasociliary branch of v1 10 12 mm with fibers from cornea iris and ciliary body.

Sympathetic root comes from ica plexus and enters through superior orbital fissure. It is formed of parts of the frontal maxillary sphenoid lacrimal zygomatic ethmoid and palatine bones. A wave function describing the state of a single electron in an atom atomic orbital or in a molecule molecular orbital.

The entire wall is thin from the base to the apex but it is strengthened by the perpendicular septa of the ethmoid sinus. Cranial orbit eye socket orbit. Orbit anatomy in anatomy the orbit is the cavity or socket of the skull in which the eye and its appendages are situated.

Ta the mostly sharp edge of the orbital opening that is the peripheral border of the base of the pyramidal orbit. In the adult human the volume of the orbit is 30 millilitres 106 imp fl oz. In the upper eyelid the orbital septum blends with the tendon of the levator palpebrae superioris and in the lower eyelid with the tarsal plate.

Orbital cavity the bony cavity in the skull containing the eyeball. When the eyes are closed the whole orbital opening is covered by the septum and tarsi. The medial orbital walls are parallel to the sagittal plane and have the greatest degree of superioinferior curvature.

The superior half of the orbital rim is the supraorbital margin. 101 us fl oz.

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