What is a Circinate?

Definition of circinate : rounded, coiled especially : rolled in the form of a flat coil with the apex as a center circinate fern fronds unfolding.

What is circinate leaf?

circinate (not comparable) (botany) Used of leaves or similar parts that are coiled on themselves from the apex toward their base. (medicine) Round or ring-shaped, particularly with distinct margins forming some sort of motive; annular.

What is gyrate in English?

intransitive verb. 1 : to revolve around a point or axis. 2 : to oscillate with or as if with a circular or spiral motion.

What is meant by Ptyxis?

Definition of ptyxis : the disposition of a single leaf in the bud.

What are hard exudates?

Hard exudates are composed of lipid and proteinaceous material that settle in the outer retinal layers. These plaques often cause significant visual loss when deposited in the foveal region.

What are hard exudates in diabetic retinopathy?

Retinal hard exudates are seen often in eyes with diabetic retinopathy. The hard exudates are composed of lipid and proteinaceous material, such as fibrinogen and albumin that leak from the impaired blood–retinal barrier. They are deposited primarily in the outer plexiform layer of the retina.

What is Circinate variation?

Circinate vernation is the manner in which a fern frond emerges. As the fern frond is formed, it is tightly curled so that the tender growing tip of the frond (and each subdivision of the frond) is protected within a coil.

What is Circinate vernation Class 11?

Circinate vernation is the type of vernation in which the new leaves emerges in ferns by unrolling from the tight coil. The coiled frond which emerges at first is known as crozier which helps in the protection of tender tips of leaves. The lower parts of frond support the growth and expansion of the frond.

What does gyrating hips mean?

​to move around in circles; to make something, especially a part of your body, move around. They began gyrating to the music. The leaves gyrated slowly to the ground. gyrate something As the lead singer gyrated his hips, the crowd screamed wildly.

What is gyrate atrophy?

Gyrate Atrophy of the choroida and the retina is a rare autosomal recessive retinal dystrophy characterized by progressive chorioretinal degeneration, early cataract formation and myopia.

What is soft exudate?

A cotton-wool spot, or soft exudate, is a yellow-white lesion in the superficial retina that usually occupies an area less than one fourth that of the optic disc (Fig. 69-19). A cotton-wool spot can occur singly or in conjunction with many others (Fig.

What is soft and hard exudates?

Soft exudates, or CWS, usually have a somewhat fluffy border that is perpendicular to the course of the nerve fibers in the nerve fiber layer, and a fairly abrupt edge that is parallel to the nerve fibers. Also, CWS are more whitish. Hard exudate, or lipid, is yellowish and granular in appearance.