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.
petÂ·iÂ·ole. n. 1. Botany The stalk by which a leaf is attached to a stem. Also called leafstalk. 2. Zoology A slender, stalklike part, as that connecting the thorax and abdomen in certain insects.