Search results
Results from the WOW.Com Content Network
Annular lake, a ring-shaped lake caused by meteor impact; Annulus (mathematics), the shape between two concentric circles; Annulus (mycology), structure on mushroom; Annulus (firestop), site of construction issue; Annulus (zoology), an external circular ring; Annular piston, a ring-shaped piston; Annulus (well), void between concentric cylinders
The common tendinous ring, also known as the annulus of Zinn or annular tendon, is a ring of fibrous tissue surrounding the optic nerve at its entrance at the apex of the orbit. It is the common origin of the four recti muscles of the group of extraocular muscles. It can be used to divide the regions of the superior orbital fissure. [1]
Human anatomy is the scientific study of the morphology of the adult human. It is subdivided into gross anatomy and microscopic anatomy . Gross anatomy (also called topographical anatomy, regional anatomy, or anthropotomy) is the study of anatomical structures that can be seen by unaided vision.
In biological morphology and anatomy, a sulcus (pl.: sulci) is a furrow or fissure (Latin fissura, pl.: fissurae). It may be a groove, natural division, deep furrow, elongated cleft, or tear in the surface of a limb or an organ, most notably on the surface of the brain , but also in the lungs , certain muscles (including the heart ), as well as ...
In humans, the anus (pl.: anuses or ani; from Latin ānus, "ring", "circle") [1] [2] is the external opening of the rectum located inside the intergluteal cleft.Two sphincters control the exit of feces from the body during an act of defecation, which is the primary function of the anus.
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, or sometimes in the toilet. If acute they are painful after defecation , [ 1 ] but with chronic fissures, pain intensity often reduces and becomes cyclical.
Fissure (anatomy), a groove, natural division, deep furrow, elongated cleft, or tear in various parts of the body; Fissure (botany), a split or crack; a line or opening of dehiscence. Fissure (dentistry), a break in the tooth enamel; Sulcus (morphology), furrow or groove in the surface of a limb or an organ
Download as PDF; Printable version; In other projects ... Appearance. move to sidebar hide. Horizontal fissure may refer to: Horizontal fissure of cerebellum ...