4. Hypothalamus â (âhypoâ = below), the most ventral part of the. diencephalon; it is the most signiï¬cant component of the diencephalon. from a clinical standpoint because lesions result in abnormalities in. endocrine, limbic and/or autonomic function.
The plural of leaf is leaves. The plural of leaf is leaves. 1  In most plant species, leaves are broad and flat.  The longest leaves are those of the Raffia palm. They can grow to be up to 25 m long and 3 m wide.
A leaf is an organ of a vascular plant and is the principal lateral appendage of the stem. The leaves and stem together form the shoot. Foliage is a mass noun that refers to leaves collectively.Typically a leaf is a thin, dorsiventrally flattened organ, borne above ground and specialized for photosynthesis.he epidermis is the outer layer of cells covering the leaf. It is covered with a waxy cuticle which is impermeable to liquid water and water vapor and forms the boundary separating the plant's inner cells from the external world.