This article is about cracks that open on a planetary surface. For other types of geological cracks, see Fracture (geology). For other uses, see Fissure (disambiguation).
Ground cracks at an east–west segment of Kamoamoa after its 2011 fissure eruption. The geologist is about 180 cm (5.9 ft) tall.[1]
A fissure is a long, narrow crack opening along the surface of Earth. The term is derived from the Latin word fissura, which means 'cleft' or 'crack'. Fissures emerge in Earth's crust, on ice sheets and glaciers, and on volcanoes.
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or 'crack'. Fissures emerge in Earth's crust, on ice sheets and glaciers, and on volcanoes. A ground fissure, also called an earth fissure, is a long,...
The longitudinal fissure (or cerebral fissure, great longitudinal fissure, median longitudinal fissure, interhemispheric fissure) is the deep groove that...
An anal fissure is a break or tear in the skin of the anal canal. Anal fissures may be noticed by bright red anal bleeding on toilet paper and undergarments...
The palpebral fissure is the elliptic space between the medial and lateral canthi of the two open eyelids. In simple terms, it is the opening between...
horizontal fissure, and an oblique fissure. The left lung is divided into two lobes by an oblique fissure which is closely aligned with the oblique fissure in...
The petrotympanic fissure (also known as the squamotympanic fissure or the glaserian fissure) is a fissure in the temporal bone that runs from the temporomandibular...
pterygomaxillary fissure is a fissure of the human skull. It is vertical, and descends at right angles from the medial end of the inferior orbital fissure. It is...
A fissure vent, also known as a volcanic fissure, eruption fissure or simply a fissure, is a linear volcanic vent through which lava erupts, usually without...
The collateral fissure (or sulcus) is on the tentorial surface of the hemisphere and extends from near the occipital pole to within a short distance of...
A choroidal fissure cyst is a cyst at the level of the choroidal fissure of the brain. They are usually asymptomatic and do not require treatment. de Jong...
fissure, after Franciscus Sylvius, or lateral fissure) is one of the most prominent features of the human brain. The lateral sulcus is a deep fissure...
Fissure of the nipple, colloquially referred to as "jogger's nipple", is a condition that is the result of chafing of one or both nipples. This can occur...
The superior orbital fissure is a foramen or cleft of the skull between the lesser and greater wings of the sphenoid bone. It gives passage to multiple...
Transverse fissure can refer to: Porta hepatis or transverse fissure of liver Horizontal fissure of right lung (or 'horizontal fissure') Horizontal fissure of...
A skin fissure is a cutaneous condition in which there is a linear-like cleavage of skin, sometimes defined as extending into the dermis. It is smaller...
In neuroanatomy, the central sulcus (also central fissure, fissure of Rolando, or Rolandic fissure, after Luigi Rolando) is a sulcus, or groove, in the...
The inferior orbital fissure is a gap between the greater wing of sphenoid bone, and the maxilla. It connects the orbit (anteriorly) with the infratemporal...
Horizontal fissure may refer to: Horizontal fissure of cerebellum Horizontal fissure of right lung Fissure (anatomy) Sulcus (morphology) This disambiguation...
The sphenopetrosal fissure (or sphenopetrosal suture) is the cranial suture between the sphenoid bone and the petrous portion of the temporal bone. It...
Craters of Laki) is a volcanic fissure in the western part of Vatnajökull National Park, Iceland, not far from the volcanic fissure of Eldgjá and the small village...
The calcarine sulcus (or calcarine fissure) is an anatomical landmark located at the caudal end of the medial surface of the brain of humans and other...
trapped inside pits and fissures. This deprives resident plaque bacteria of carbohydrate, preventing the formation of pit and fissure caries. Sealants are...
The porta hepatis or transverse fissure of the liver is a short but deep fissure, about 5 cm long, extending transversely beneath the left portion of the...
Orbital fissure may refer to: Inferior orbital fissure Superior orbital fissure This disambiguation page lists articles associated with the title Orbital...
between the sclera and the retina. Early in development the choroidal fissure is a groove that extends along the ventral aspect of the optic stalk. In...
The Avon Fissure Fill, also known as the Bristol Fissure Fill or Tytherington Fissure Fill, is a fissure fill in Avon, England (now Bristol) which dates...
The anterior median fissure of the spinal cord is a deep midline groove of the anterior/ventral spinal cord.: 486 It divides the white matter of the...
The monticulus of the cerebellum is divided by the primary fissure (or preclival fissure) into an anterior, raised part, the culmen or summit, and a posterior...
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