2 Nov Embriologia del ojo humano pdf – File size: Kb Version: Date added: 29 Sep Price: Free Operating systems: Windows. 6 Feb Embriología humana. El conocimiento del desarrollo prenatal del ser humano resulta de gran impor-tancia para poder comprender. Scribd is the world’s largest social reading and publishing site.

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Send this link to let others join your presentation: Embryos and one tadpole of the wrinkled frog Rana rugosa. They also allow organs to resist stretching and embriologia del ojo humano forces, elastic fibers, made from elastin and fibrillin, also provide resistance to embriologia del ojo humano forces. It is located in the center of the macula lutea of the retina, the fovea is responsible for sharp central vision, which embriologia del ojo humano necessary in humans for activities where visual detail is of primary importance, such as reading and driving.

The high spatial density of cones along with the absence of blood vessels at the fovea accounts for the visual acuity capability at the fovea. When the sphincter pupillae contract, the iris decreases or constricts the size of the pupil, the dilator pupillae, innervated by sympathetic nerves from the superior cervical ganglion, cause the pupil to dilate when they contract.

Illu connective tissues 1. Floaters are generally harmless, but the onset of recurring floaters may signify a posterior vitreous detachment or other diseases of the eye. A firewall is blocking access to Prezi content. A human embryo, seven weeks old or from the ninth week of pregnancy.

Ojo Humano by laura montilla on Prezi

Cyclopia and defective axial patterning in mice lacking sonic hedgehog gene function. The pupil is a hole located in the center of the iris of the eye that allows light to strike the retina. The blastula stage typically features embrjologia fluid-filled cavity, the blastocoel, surrounded by a sphere smbriologia sheet of cells, in a placental mammal, an ovum is fertilized in a fallopian tube through which it travels into the uterus.

Therefore, if blood, cells or other embriologia del ojo humano of inflammation get into the vitreous, if the vitreous pulls away from the retina, it is known as a vitreous detachment.

Hyaloid canal labeled running embriologia del ojo humano the centre. Despite having little solid matter, the fluid is substantial enough to fill the eye, embriklogia lens, on the other hand, is tightly packed with cells 8.

Blood and lymph lack the fiber component, all are immersed in the body water. Modern developmental biology is extensively probing the molecular basis for every type of organogenesis, including angiogenesis, chondrogenesis, myogenesis, osteogenesis, and many others.

Embriología del ojo

It can also occur after injuries to the eye or inflammation in the eye, the collagen fibres of the vitreous are held apart by electrical charges. See more popular or the latest embriologia del ojo humano. As a sense oio, the mammalian eye allows vision.

Invited audience members will follow you as you navigate and present People invited to a presentation do not need a Prezi account This link expires 10 minutes after you close embriologia del ojo humano presentation A maximum of 30 users can follow your presentation Learn more about this feature in our knowledge base article.

Conducto hialoideo — Hyaloid canal is a small transparent canal running through the vitreous body from the optic nerve disc to the lens. Present to your audience.

In optical terms, hmuano pupil is the eyes aperture. Three Main Layers of the Eye. In animals, the development of the zygote into an embryo proceeds through specific stages of blastula, gastrula.

It is composed mostly of phagocytes, which remove unwanted cellular debris in the field, and hyalocytes. Blood vessels can be seen within the sclera, embriologia del ojo humano well as a strong limbal ring around the iris.

Creating downloadable prezi, be patient. Free remnants can sometimes be seen as floaters, an anterior remnant of the hyaloid artery can be seen in some people as Mittendorfs dot, a small pinpoint-like scar on the posterior surface of the lens. Diagram depicting the main subdivisions of embriologia del ojo humano embryonic vertebrate brain. It is often referred to as the vitreous humour or simply the vitreous, the vitreous embriologia del ojo humano is a transparent, colorless, gelatinous mass that fills the space in the eye between the lens and the retina.

Constrain to simple back and forward steps.

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