Foot Bones Total 26 bones locate in three main portions of our foot: Forefoot, Mid-foot, and Hind-foot. It separates into three parts; tarsals, meta-tarsals, and Phalanges. https://en.wikipedia.org/wiki/File:Calcaneus_animation01.gif Tarsal Bones Seven tarsal bones locate in two sections (hind-foot, and mid-foot) of our foot. Where, hind-foot contains two tarsal bones named talus & calcaneus; and mid-foot
Vertebral or spinal foramen: This is a large opening in the center of the axis bone which acts as a passage for the spinal cord. VII. Inferior articular process The Posterior components of the typical cervical vertebra are: I. Lamina and pedicle: Lamina means plate or layer which is the posterior arch of the vertebral bone. It lies between the spinous process and pedicle. Pair lamina and spinous process form the posterior wall of the bony spinal canal.
It’s contributes to the multiple regions of the skull: anterior cranial fossa, middle cranial fossa, pterygopalatine fossa, infratemporal roof, , orbit, lateral wall of the cranial vault and roof and lateral wall of the nasal cavity, It’s articulates with the following bones: The ethmoid bone, the frontal bone, the zygomatic bones, the parietal bones, the temporal bones, the palatine bones, occipital bone and the vomer (Liebgott, 2011). It is consist from four main part : and three paired processes—greater wings, lesser wings and pterygoid processes (Tandon, 2009) 3.1.2 body of sphenoid bone• Its reprecent the central part and contains two sphenoidal air sinuses, It has multiple surfaces: Superior surface—bears a sulcus chiasmaticus and Dorsum sellae with two posterior clinoid processes lie posteriorly Inferior surface—has the rostrum, Two lateral surfaces—Each has a carotid sulcus for internal corotid artery. Anterior surface—presents sphenoidal crest in midline. On either side are openings of sphenoidal air sinuses and sphenoidal concha. Posterior surface fuses with basilar part of occipital bone by 25th year .
Stability of the ankle mortise is enhanced because the talus has dome shaped body fits snugly into the slightly concave tibial undersurface. The relation of the tibia, fibula, and talus is maintained by an articular capsule and 3 groups of ligaments (medial, lateral,and syndesmosis). Tibiofibular Syndesmosis: The articulation between the tibia and fibula can be divided into three zones: the proximal tibiofibular joint, the interosseous membrane and the distal tibiofibular joint or distal tibiofibula syndesmosis. The proximal tibiofibular syndesmotic joint stabiliezed by posterior superior tibiofibular and anterior superior tibiofibular ligaments, this
2. Still deeper there are the parts of three muscles, in particular the pectoralis major, the serratus foremost, and the outer angled muscle of the guts. 3. The breast is divided from the pectoral belt by detached areolar tissue, called the retro mammary space. In view of the vicinity of this detached tissue, the ordinary breast could be moved unreservedly over the pectoralis major.
Structure of the long bone are those that they are longer than they are wide. They are one of five types of bones, long short flat irregular and seasmoid. Long bones especially the femur and tibia are subjected to most of the load during daily activities and they are crucial for skeletal mobility. The long bone is that it allows movement , particularly in the limbs eg the femur (thigh bone) tibia and fibula (lower leg bones) humerus (upper arm bone), the radius and the ulna (lower arm). Metacarpals (hand bones) metersals (foot bone) and phalanges (finger and toe bone) Functions of the skeleton The skeleton is the framework of the body; it supports the softer tissue and provides point of attachment for most skeletal muscles.
Accessory canals counted from the proximity to the ovaries to the departure abroad are: 1. Uterine tompas: also called fallopian tubes or oviducts are conduits extending from the ovaries to the uterus, and is the region where egg fertilization occurs. 2. The uterus: It is located in the pelvis, anterior to the rectum and posterior to the urinary bladder. It is a hollow organ with thick walls whose function is to receive, retain and nurture the fertilized egg.
The sacrum is made of 5 fused vertebrae; which are connected to 4 fused vertebrae which form coccyx. Intervertebral discs lie between each vertebrae. Each disc is composed of a gelatinous material in the center, called the nucleus pulpous, and surrounded fiberous tissue (annulus fibrosus). With a disc herrniation, an intervertebral disc's
The spinal cord is about 43 cm long in adult women and 45 cm long in adult men and weighs about 35-40 grams. It lies within the vertebral column, the collection of bones (backbone). Other parts of the central nervous system The meninges are three layers or membranes that cover the brain and the spinal cord. The outermost layer is the dura mater. The middle layer is the arachnoid, and the innermost layer is the pia mater.