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The areas of the medial branches are in black, those of the lateral in red. The posterior divisions of the sacral nerves are small and diminish in size as they move downward; they emerge, except the last, through the posterior sacral foramina. In some rare cases these nerves break and cause the person's legs to become weak and eventually wither ...
6423. Anatomical terminology. [edit on Wikidata] The sacral spinal nerve 1 (S1) is a spinal nerve of the sacral segment. [1] It originates from the spinal column from below the 1st body of the sacrum. Sacrum, showing bodies in center.
The superior cluneal nerves are pure sensory nerves that innervate the skin of the upper part of the buttocks. They are the terminal ends of the L1-L3 spinal nerve dorsal rami lateral branches. They are one of three different types of cluneal nerves (the middle and inferior cluneal nerves being the other two).
Sectional organization of spinal cord. The spinal cord is the main pathway for information connecting the brain and peripheral nervous system. [3] [4] Much shorter than its protecting spinal column, the human spinal cord originates in the brainstem, passes through the foramen magnum, and continues through to the conus medullaris near the second lumbar vertebra before terminating in a fibrous ...
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Anatomical terms of bone. [ edit on Wikidata] The sacrum (pl.: sacra or sacrums[ 1 ]), in human anatomy, is a large, triangular bone at the base of the spine that forms by the fusing of the sacral vertebrae (S1–S5) between ages 18 and 30. [ 2 ] The sacrum situates at the upper, back part of the pelvic cavity, between the two wings of the pelvis.
The holotype, represented by a series of bones cataloged UM-LIE 02–37, UM-LIE 39–41, UM-LIE 45 and UM-LIE 47, consists of about ten vertebrae (dorsal, sacral and caudal), about fifteen ribs, a complete right scapulocoracoid 50 cm (20 in) long, the dorsal branch of the left ilium, the right and left femora measuring 35.5 cm (14.0 in) long ...
The library is governed by the 28-member Metropolitan Library commission: 13 of its members are appointed by the Mayor of Oklahoma City, 11 are appointed by various cities within the Library's service area, and one is appointed by the Board of County Commissioners of Oklahoma County.