Category: Z

To something originally described by Eduard Zeis.  

One of the sebaceous glands of the eyelid, close to the free edge of the lid. Each gland is associated with an eyelash.  

A protein obtained from maize. It is deficient in tryptophan and lysine.  

A thin, dark disk that transversely bisects the I band (isotropic band) of a striated muscle fiber. The thin filaments, made primarily of actin, are attached to the Z disk; the area between the two Z disks is a sarcomere, the unit of contraction.  

In obstetrics, the manual return of the head of a partially born fetus with intractable shoulder dystocia to the vagina. This is followed by cesarean section.  

One of the transverse whitish marks on the free surface of a thrombus made by the edges of layered platelets.  

The part of the posterior sacroiliac ligament from the posterosuperior spinous process of the ilium to the side of the sacrum.  

Spaces within the zonule (suspensory ligament of lens).  

The movement of the lower jaw toward the percussed side when the zygomatic bone is percussed.  

Intoxication with zinc phosphide, a rodenticide that causes fatal lung and cardiac injury. There is no specific antidote.