Estrogen receptors (and progesterone receptors) are found mainly in neurons in the anterior and mediobasal hypothalamus, notably: 1  the preoptic area (where LHRH neurons are located) 2  the periventricular nucleus (where somatostatin neurons are located) 3  the ventromedial hypothalamus (which is important for sexual behavior).
Wiktionary (0.00 / 0 votes) Rate this definition: crease (Noun) A line or mark made by folding or doubling any pliable substance; hence, a similar mark, however produced. crease (Noun) One of the white lines drawn on the pitch to show different areas of play; especially the popping crease, but also the bowling crease and the return crease. crease (Noun)
The alar crease (alar facial groove) is the junction between the nose and cheek and is an important landmark to be preserved in rhinoplasty surgery. A cephalically positioned alar facial junction will lead to a snarled appearance to the nose, while a caudally positioned alar facial junction can lead to alar hooding.