What Organs Develop From The Ectoderm?
Generally speaking, the ectoderm differentiates to form epithelial and neural tissues (spinal cord, peripheral nerves and brain). This includes the skin, linings of the mouth, anus, nostrils, sweat glands, hair and nails, and tooth enamel
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What Organs Develop From The Ectoderm?
Generally speaking, the ectoderm differentiates to form epithelial and neural tissues (spinal cord, peripheral nerves and brain). This includes the skin, linings of the mouth, anus, nostrils, sweat glands, hair and nails, and tooth enamel
What Organs Develop From The Mesoderm
The mesoderm gives rise to the skeletal muscles, smooth muscle, blood vessels, bone, cartilage, joints, connective tissue, endocrine glands, kidney cortex, heart muscle, urogenital organ, uterus, fallopian tube, testicles and blood cells from the spinal cord and lymphatic tissue (see Fig
What Stage Of Pregnancy Do Organs Develop?
It's during the embryonic stage that embryo cells begin to multiply and form your baby's body. The embryo's gastrointestinal tract, spinal cord, heart, and brain are the first organs to develop. This starts about one week after conception
When During Pregnancy Do Body Tissues Organs And Systems Develop
First trimester (first day of LMP to 13 weeks and 6 days): The time when fertilization and major organ development occurs. Second trimester (14 weeks and 0 days to 27 weeks and 6 days): The time of rapid growth and development
Where Do B Lymphocytes And T Lymphocytes Develop?
T cells and B cells derive their names from the organs in which they develop. T cells develop in the thymus, and B cells, in mammals, develop in the bone marrow in adults or the liver in fetuses
Where Did Electric Organs In Fishes Come From?
Electric organ (EO) evolved independently in six different lineages of fish usually derived from skeletal muscle (SM) during development. Despite their shared developmental origin, electric organs and skeletal muscle are morphologically and physiologically distinct tissues
What Are The Main Parts Of The Male And Female Reproductive Organs?
The primary reproductive organs are the gonads, which produce the gametes and hormones. The secondary, or accessory, structures transport and sustain the gametes and nurture the developing offspring. The male reproductive system consists of the testes, duct system, accessory glands, and penis
What Are The Two Main Reproductive Organs?
The primary reproductive organs are the gonads, which produce the gametes and hormones. The secondary, or accessory, structures transport and sustain the gametes and nurture the developing offspring. The male reproductive system consists of the testes, duct system, accessory glands, and penis
What Are The Organs Formed By The Ectoderm Mesoderm And Endoderm?
The ectoderm gives rise to the nervous system and the epidermal skin cells, the mesoderm gives rise to the muscle cells and connective tissue in the body, and the endoderm gives rise to the digestive system and other internal organs. Organogenesis is the formation of organs from the germ layers
Is Plant Growth Determinate Or Indeterminate?
Unlike most animals, who grow to a specific body size and shape and then stop growing (determinate growth), plants exhibit indeterminate growth where the plant will continue adding new organs (leaves, stems, roots) as long as it has access to the necessary resources