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Operating by means of, or made up of an arrangement of, vessels; as, the vascular system in animals, including the arteries, veins, capillaries, lacteals, etc.

The quality or state of being vascular.

Destitute of vessels; non-vascular.

Containing woody fiber and ducts, as the stems of all flowering plants and ferns; -- opposed to cellular.

ure, or performing the functions, both of digestive and circulatory organs; as, the gastrovascular cavity of coelenterates.

Destitute of vessels; extravascular.

Around the blood vessels; as, perivascular lymphatics.

Vascular tissue of plants, consisting of spiral vessels, dotted, barred, and pitted ducts, and laticiferous vessels.

erizes the first. Growth by apposition (Physiol.), a mode of growth characteristic of non vascular tissues, in which nutritive matter from the blood is transformed on the surface of an organ into solid unorganized substance.

The fluid which circulates in the principal vascular system of animals, carrying nourishment to all parts of the body, and bringing away waste products to be excreted. See under Arterial.

he spinal cord, the medulla oblongata, often called simply bulb. -- Bulb of a tooth, the vascular and nervous papilla contained in the cavity of the tooth.

The movement of the blood in the blood-vascular system, by which it is brought into close relations with almost every living elementary constituent. Also, the movement of the sap in the vessels and tissues of plants.

A term proposed by Endlicher to include all plants with an axis containing vascular tissue and with foliage.

A cushionlike band of vascular tissue at the upper border of the wall of the hoof of the horse and allied animals. It takes an important part in the secretion of the horny walls.

The deep sensitive and vascular layer of the skin and mucous membranes. -- En`de*ron"ic, a.

a kind of cuticle inside of the proper cortical layer, or surrounding an individual fibrovascular bundle.

The layer of vascular connective tissue lining the medullary cavities of bone.

A genus of vascular, cryptogamic, herbaceous plants; -- also called horsetails.

r pertaining to, leaves; as, foliar appendages. Foliar gap (Bot.), an opening in the fibrovascular system of a stem at the point of origin of a leaf. -- Foliar trace (Bot.), a particular fibrovascular bundle passing down into the stem from a leaf.

The vascular body which forms the apex of the penis, and the extremity of the clitoris.