Category: S
-
Spring ophthalmia
Conjunctivitis occurring in the spring, usually due to an allergic reaction to pollen.
-
Secondary oocytes
The larger of the two cells produced by the first meiotic division of the primary oocyte.
-
Superior olive
The superior olivary nucleus.
-
Sesame oil
Oil obtained from the seeds of Sesamum indicum, used as a pharmaceutical aid and as a cooking oil. Sesame oils occasionally cause contact dermatitis.
-
Safflower oil
The oil expressed from the seeds of the safflower plant, Carthamus tinctorius. It is high in linoleic acid and low in saturated fatty acids. Diets rich in safflower oil produce less serum cholesterol and apolipoproteins A-I and B than similar diets in which butter or coconut oil is used as the primary fat source. Derived…
-
Secondary occupation
Employment in addition to that for which one is primarily hired.
-
Sex object
An individual regarded as being of little interest except for providing sexual pleasure.
-
Seesaw nystagmus
Nystagmus in which the in-turning eye moves up and the opposite eye moves down, and then both eyes move in the opposite direction.
-
Superior salivatory nucleus
An ill-defined nucleus in the pons lying dorsomedial to the facial nucleus. It gives rise to preganglionic parasympathetic fibers passing through the chorda tympani and lingual nerve to the submaxillary ganglion. Impulses regulate secretions of the submaxillary and sublingual glands.
-
Superior olivary nucleus
A small nucleus located in the mid-lateral tegmental region of the pons. It receives fibers from the ventral cochlear nucleus.