The axial and dorsal penile arteries merge together at the neck before entering the glans. The corona and the neck are highly vascularized areas of the penis. The lamina expands outwards over the epithelium of the glans and also backwards forming an ingrowing fold at the base of the glans that will become the coronal sulcus. The thickening separates from the glans creating the preputial fold and the preputial lamina on its ventral surface. Anatomy Development ĭuring the embryonic development of the male fetus, a thickening on the epidermis appears around the base of the developing glans. The circumference of the corona is richly innervated and is described as a highly erogenous area of the glans. The two sides of the corona merge on the ventral midline forming the septum glandis. The deep retro-glandular coronal sulcus forms between the corona and the neck of the penis. The corona overhangs a mucosal surface, known as the neck of the penis, which separates the shaft and the glans. The corona of glans penis (or, directly from the Latin, the corona glandis penis ) or penis crown refers to the rounded projecting border or flare that forms at the base of the glans in human males.
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