Haversian System

A structure in compact Bone made of a Central Canal containing Blood Capillaries and the Concentric Osseous Lamellae around ir; an Osteon.

Haversian Canal

Special Canal in Bone that carry Blood Vessels.

Haustra

Pouchlike projections of the wall of the Large Intestine.

Hair Follicle

Tubelike Invaginations of the Epidermis from which the Hair Shaft develops.

H Zone

The width of the Sarcomere in which the Myosin and Actin Filaments do not overlap.

Gyrus

One of the prominent, rounded elevations found on the Cerebral Hemispheres.

Gum

The Tissue the surrounds the Neck of the Teeth; also known as Gingivae.

Growth Hormone-Releasing Hormone (GHRH)

Secreted by the Hypothalamus that increases the secretion of Growth Hormone by the Anterior Pituitary Gland.