- sacral segment
- the portion of the floor of the pelvis that lies between the sacrum and the posterior vaginal wall.
Medical dictionary. 2011.
Medical dictionary. 2011.
Sacral spinal nerve 5 — The sacral spinal nerve 5 (S5) is a spinal nerve of the sacral segment. [ [http://www.ama assn.org/ama/pub/category/7173.html American Medical Association] Nervous System Groups of Nerves] .It originates from the spinal column from below the 5th… … Wikipedia
Sacral spinal nerve 4 — The sacral spinal nerve 4 (S4) is a spinal nerve of the sacral segment. [ [http://www.ama assn.org/ama/pub/category/7173.html American Medical Association] Nervous System Groups of Nerves] .It originates from the spinal column from below the 4th… … Wikipedia
Sacral spinal nerve 3 — The sacral spinal nerve 3 (S3) is a spinal nerve of the sacral segment. [ [http://www.ama assn.org/ama/pub/category/7173.html American Medical Association] Nervous System Groups of Nerves] .It originates from the spinal column from below the 3rd… … Wikipedia
Sacral spinal nerve 2 — The sacral spinal nerve 2 (S2) is a spinal nerve of the sacral segment. [ [http://www.ama assn.org/ama/pub/category/7173.html American Medical Association] Nervous System Groups of Nerves] .It originates from the spinal column from below the 2nd… … Wikipedia
Sacral spinal nerve 1 — The sacral spinal nerve 1 (S1) is a spinal nerve of the sacral segment. [ [http://www.ama assn.org/ama/pub/category/7173.html American Medical Association] Nervous System Groups of Nerves] .It originates from the spinal column from below the 1st… … Wikipedia
Sacral hiatus — Infobox Bone Name = Sacral hiatus Latin = hiatus sacralis GraySubject = 24 GrayPage = 107 Caption = Sagittal section of vertebral canal to show the lower end of the medulla spinalis and the filum terminale. Li, Lv. First and fifth lumbar vertebra … Wikipedia
segment — 1. A section; a part of an organ or other structure delimited naturally, artificially, or by invagination from the remainder. SYN: segmentum [TA]. SEE ALSO: metamere. 2. A territory of an organ having independent function, supply, or drainage. 3 … Medical dictionary
S1-S5 (sacral vertebrae) — The first sacral vertebra through the fifth sacral vertebra. There are 5 sacral vertebral bones. They are represented by the symbols S1 through S5. The sacral vertebrae are situated in the spinal column just below the lumbar vertebrae and right… … Medical dictionary
Onuf's nucleus — Medulla spinalis Substantia grisea (Onuf s nucleus not labeled, but region is visible) Latin nucleus nervi pudendi … Wikipedia
Sacrum — The large, heavy bone at the base of the spine, which is made up of fused sacral vertebrae. The sacrum is located in the vertebral column, between the lumbar vertebrae and the coccyx. It is roughly triangular in shape, and makes up the back wall… … Medical dictionary