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.
Veins (vascular tissue strands) are often clearly visible on the leaf blade. Leaf blades of some plants show indentations or clefts in the leaf margin. If these indentations reach all the way to the midrib so that the leaf blade is divided into a number of smaller pinnae (leaflets), the leaf is called a compound leaf.