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The paired medial crura conform the central-leg of the tripod, which is attached to the anterior nasal spine and septum, in the midline. The lateral crura compose the second-leg and the third-leg of the tripod, and are attached to the (pear-shaped) pyriform aperture, the nasal-cavity opening at the front of the skull.
General (medical) practitioner HA: Headaches HARC: Harmonious abnormal retinal correspondence HM: Hand motion vision – state distance Hx: History IOL: Intra-ocular lens IOP: Intra-ocular pressure ISNT: Inferior, Superior, Nasal, Temporal rule used to assess optic disc appearance K: Keratometry OS oculus sinister (left eye) LHyperT or LHT ...
specially curved (to fit into the orbit of the eye) forceps for catching hold of the muscle bellies of the intraorbital muscles and sutures •Suture tier forceps: fine limbed untoothed forceps to hold fine sutures or hairs •Capsulotomy forceps: to tear the anterior capsule of the lens during cataract surgery •Disc holding forceps
The crus of diaphragm (pl.: crura), refers to one of two tendinous structures that extends below the diaphragm to the vertebral column. There is a right crus and a left crus, which together form a tether for muscular contraction. They take their name from their leg-shaped appearance – crus meaning leg in Latin.
A surgical suture, also known as a stitch or stitches, is a medical device used to hold body tissues together and approximate wound edges after an injury or surgery. Application generally involves using a needle with an attached length of thread .
The movement of the eye is controlled by six distinct extraocular muscles, a superior, an inferior, a medial and a lateral rectus, as well as a superior and an inferior oblique. The superior ophthalmic vein is a sigmoidal vessel along the superior margin of the orbital canal that drains deoxygenated blood from surrounding musculature.
The medial crura are attached to the septal cartilage, forming fleshy parts at the front of the nostrils on each side of the septum, called the medial crural footpods. The medial crura meet at the midline below the end of the septum to form the columella [11] and lobule. The lobule contains the tip of the nose and its base contains the nostrils ...
The lacrimal caruncle is found at the medial canthus of the eye. [1] It consists of skin, hair follicles, sebaceous glands, sweat glands, accessory lacrimal tissue and other tissues that are present in the skin and accessory lacrimal glands. [1] [2] Its non-keratinized epithelium resembles the conjunctival epithelium. [2]