conus medullaris

conus /co·nus/ (ko´nus) pl. co´ni   [L.]

1. a cone or cone-shaped structure.

2. posterior staphyloma of the myopic eye.

---

conus arterio´sus  infundibulum; the anterosuperior portion of the right ventricle of the heart, at the entrance to the pulmonary trunk.

conus medulla´ris  the cone-shaped lower end of the spinal cord, at the level of the upper lumbar vertebrae.

conus termina´lis  conus medullaris.

co´ni vasculo´si  lobules of epididymis.

---

conus [ko´nus] (pl. co´ni) (L.)

cone.

1. a cone-shaped structure.

2. posterior staphyloma of the myopic eye.

conus arterio´sus the anterosuperior portion of the right ventricle of the heart, at the entrance to the pulmonary trunk. Called also infundibulum.

conus medulla´ris the cone-shaped lower end of the spinal cord, at the level of the upper lumbar vertebrae.

---

conus

pl. coni [L.]

1. a cone or cone-shaped structure.

2. posterior staphyloma of the myopic eye.

---

conus arteriosus

the funnel-shaped portion of the right ventricle of the heart at the entrance to the pulmonary trunk.

conus medullaris

the cone-shaped caudal end of the spinal cord; found at the level of the upper lumbar vertebrae in the human spine, but more caudally in domestic animals.

---

conus medullaris

Anatomy The inferior, tapering portion of the spinal cord. See Spinal cord.