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.
Definition of SIMPLE LEAF. : a leaf whose blade is not divided to the midrib even though lobed â compare compound leaf. ADVERTISEMENT.This word doesn't usually appear in our free dictionary, but the definition from our premium Unabridged Dictionary is offered here on a limited basis.efinition of SIMPLE LEAF. : a leaf whose blade is not divided to the midrib even though lobed â compare compound leaf. ADVERTISEMENT.