Five groups of vertebrae
WebQ. The third curve of the spine that is composed of 5 vertebrae in the lower back; These are the largest of the vertebrae and bears the weight of the upper body; these bones function in protection of the spinal cord and in supporting the weight of the body. answer choices. lumbar vertabrae. cervical vertabrae. thoracic vertabrae. WebNov 4, 2024 · Vertebrates are a well-known group of animals that includes mammals, birds, reptiles, amphibians, and fish.The defining characteristic of vertebrates is their backbone, an anatomical feature that first appeared in the fossil record about 500 million years ago during the Ordovician period. Here are various groups of vertebrates in the order in which they …
Five groups of vertebrae
Did you know?
WebApr 12, 2024 · Vertebral column: 7 cervical, 12 thoracic, 5 lumbar, 5 sacral (sacrum), 3-5 coccygeal (coccyx) vertebrae: Joints: Intervertebral discs, zygapophyseal joints: Muscles: Extrinsic (Superficial) muscles Intrinsic … WebNov 10, 2024 · Spinal Column Anatomy Vertebrae. As mentioned above, our vertebrae are numbered and divided into five regions: cervical, thoracic, lumbar,... Intervertebral Discs. Between the vertebrae are …
WebThe vertebrae are numbered and divided into regions: cervical, thoracic, lumbar, sacrum, and coccyx (Fig. 2). Only the top 24 bones are moveable; the vertebrae of the sacrum and coccyx are fused. The vertebrae in each region have unique features that help them perform their main functions. WebNov 14, 2024 · There are five lumbar vertebrae in most humans, which are the largest in the vertebral column. They are structurally specialised to support the weight of the torso. …
WebLong bones are found in the upper limbs (humerus, ulna, radius) and lower limbs (femur, tibia, fibula), as well as in the hands (metacarpals, phalanges) and feet (metatarsals, phalanges). Long bones function as … WebDec 12, 2024 · Eight cervical spinal nerves on each side of the spine called C1 through C8; Twelve thoracic spinal nerves in each side of the body called T1 through T12; Five …
WebDec 12, 2024 · These nerves are located at the cervical (neck), thoracic (upper back), lumbar (lower back), sacral (sacrum, which forms part of the pelvis), and coccygeal (tailbone) levels. Each pair of spinal nerves are dedicated to certain regions of …
WebIn adult vertebrates, the vertebral column replaces the notochord, which is only seen in the embryonic stage. Vertebrates are the largest group of chordates, with more than 62,000 living species categorized based on anatomical and physiological traits. Here we will consider the traditional groups which constitute classes in the subphylum ... photo app for apple iphoneWebApr 12, 2024 · Back muscles. The muscles of the back are a group of strong, paired muscles that lie on the posterior aspect of the trunk. They provide movements of the … photo app for laptops freeWebFeb 14, 2024 · Below the thoracic nerves are 5 pairs of lumbar nerves on each side of the spine (L1 to L5), located at the lumbar vertebrae of the spine. L1 lumbar spinal nerves provide sensations to the groin as well as the genitals. L2, L3, and L4 nerves provide sensations to the front of the thighs and the inner side of the lower legs. They also help to ... how does asta lose his armWebJun 7, 2001 · 1-Vertebral Body 2-Spinous Process 3-Transverse Facet 4-Pedicle 5-Foramen 6-Lamina 7-Superior Facet The rib cage is joined to the thoracic vertebrae. At … how does asthma affect breathingWebJul 10, 2024 · For the most part, the spinal nerves exit the vertebral canal through the intervertebral foramen below their corresponding vertebra. Therefore, there are 12 pairs of thoracic spinal nerves, 5 pairs of lumbar … how does asthma affect body systemsWebThe five lumbar vertebrae, labeled L1 to L5, are the main weight-bearing section of the spinal column. The sacrum is the section located at the base of the spine. It does not have discs separating the vertebrae, because … photo app for microsoft 10WebStarting at the neck and going down toward your buttocks (rear end), these segments include: Cervical (neck): The top part of the spine has seven vertebrae (C1 to C7). … photo app for laptop free