Sense OrganRetinal Ganglion Cellsneurona ganglionica retinaeHead & SkullRetinal ganglion cells are the output neurons of the retina. Their axons run across the inner…
Sense OrganRetinal Pigment Epitheliumstratum pigmentosum retinaeHead & SkullThe retinal pigment epithelium (RPE) is a single layer of dark, hexagonal cells lying between the…
Sense OrganRod Photoreceptorsneuronum bacilliferumHead & SkullRods are the retina's highly sensitive light receptors, numbering about 90-120 million per eye. They contain…
Sense OrganRound Windowfenestra cochleaeHead & SkullThe round window is a small opening in the medial wall of the middle ear, below…
Sense OrganSacculesacculusHead & SkullThe saccule is the smaller otolith organ, lying in the front lower part of the vestibule…
Sense OrganScala Tympaniscala tympaniHead & SkullThe scala tympani is the lower perilymph-filled channel of the cochlea. It runs from the helicotrema…
Sense OrganScala Vestibuliscala vestibuliHead & SkullThe scala vestibuli is the upper perilymph-filled channel of the cochlea. It begins at the vestibule,…
Sense OrganSclerascleraHead & SkullThe sclera is the white, opaque outer coat that forms about the back five-sixths of the…
Sense OrganSemicircular Ductsductus semicircularesHead & SkullThe semicircular ducts are three endolymph-filled membranous tubes lying within the bony semicircular canals: anterior (superior),…
Sense OrganSpiral Ligament of the Cochlealigamentum spirale cochleaeHead & SkullThe spiral ligament is a thick band of connective tissue lining the outer bony wall of…
Sense OrganStria Vascularisstria vascularis ductus cochlearisHead & SkullThe stria vascularis is a band of specialised, richly vascular epithelium on the outer wall of…
Sense OrganSubretinal Spacespatium subretinaleHead & SkullThe subretinal space is the potential space between the neurosensory retina (photoreceptor outer segments) and the…
Sense OrganTarsal Platestarsus superior et inferiorHead & SkullThe tarsal plates are firm bands of dense connective tissue that form the skeleton of each…
Sense OrganTaste Budscaliculi gustatoriiHead & SkullTaste buds are small, onion-shaped clusters of 50-100 cells that detect taste. Most sit in the…
Sense OrganTaste Receptor Cellscellulae gustatoriaeHead & SkullTaste receptor cells are the specialised cells inside each taste bud, about 50-100 per bud, whose…
Sense OrganTear FilmlacrimaHead & SkullThe tear film is the thin fluid layer, a few micrometres thick, that covers the cornea…
Sense OrganTectorial Membrane of the Cochleamembrana tectoria ductus cochlearisHead & SkullThe cochlear tectorial membrane is a gelatinous, collagen-rich flap that projects from the spiral limbus and…
Sense OrganTrabecular Meshworkreticulum trabeculareHead & SkullThe trabecular meshwork is a spongy, sieve-like band of connective tissue beams in the drainage angle…
Sense OrganTragustragusHead & SkullThe tragus is the small flap of cartilage in front of the ear canal opening, opposite…
Sense OrganTympanic Membranemembrana tympanicaHead & SkullThe tympanic membrane, or eardrum, is a thin, oval, cone-shaped membrane about 9-10 mm across that…
Sense OrganUtricleutriculusHead & SkullThe utricle is the larger of the two otolith organs in the vestibule. Its sensory patch,…
Sense OrganUveatunica vasculosa bulbiHead & SkullThe uvea, or uveal tract, is the pigmented, blood-rich middle layer of the eye. It is…
Sense OrganVestibular Aqueductaqueductus vestibuliHead & SkullThe vestibular aqueduct is a bony canal running from the vestibule of the inner ear to…
Sense OrganVestibular Membrane of the Cochleamembrana vestibularis ductus cochlearisHead & SkullThe vestibular membrane, also called Reissner membrane, is a very thin, two-cell-layer sheet forming the roof…
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