Veins have cuplike valves that keep the blood from flowing backwards when the muscles are at rest. These valves open when the muscles contract to force blood back up toward the heart.
An inferior ovary refers to a type of fruit in which the seeds are below the other parts of the flower within the hypanthium, a cuplike structure attacehd to the gynoecium.
Palmately veins
Elm has pinnate veins.
the veins are parallel to each other
The patten of veins on a dicot leaf are called netted veins. With netted veins, several main veins begin near the base of the leaf and radiate outward.
volcano
Acetabulum
acetabulum
It is the microorganism called vorgichella.
A calix is a cuplike structure in a kidney, or an outer whorl of flower parts, which comprise the sepals.
calyces or calices (singular:calyx or calix)Bowman's Capsuleureters
An aecium is a cuplike fruiting structure of some parasitic fungi which contains chains of aeciospores.
Calyx, Alsoo known as calyces.
There are three major categories of veins: superficial veins, deep veins, and perforating veins. All varicose veins are superficial veins; they lie between the skin and a layer of fibrous connective tissue called fascia.
There are three types of veins, superficial veins that are just beneath the surface of the skin, deep veins that are large blood vessels found deep inside muscles, and perforator veins that connect the superficial veins to the deep veins.
Pulmonary veins
It is derived from the Greek word "eucalyptos," which means "well covered," and refers to the cuplike membrane that covers the budding flowers of the tree.