Finger like process Black and White Stock Photos & Images

. Echinoderms of Connecticut. Echinodermata. No. ip.] ECHINODERMS OF CONNECTICUT. 23 Both anipullse and tube-feet have highly muscular walls, and both are filled with fluid from the water-vascular system;. When, in locomotion, the ampulla of any particular tube-foot is con- tracted, the fluid contained therein is forced into the tube-foot itself, extending this organ until it becomes a long, finger-like process. On coming in contact with any external object the disk at the end of the tube-foot may be pressed tightly against it. If now the muscles of the tube-foot contract, the water which. Fig Stock Photo

RMRDNH55–. Echinoderms of Connecticut. Echinodermata. No. ip.] ECHINODERMS OF CONNECTICUT. 23 Both anipullse and tube-feet have highly muscular walls, and both are filled with fluid from the water-vascular system;. When, in locomotion, the ampulla of any particular tube-foot is con- tracted, the fluid contained therein is forced into the tube-foot itself, extending this organ until it becomes a long, finger-like process. On coming in contact with any external object the disk at the end of the tube-foot may be pressed tightly against it. If now the muscles of the tube-foot contract, the water which. Fig

. A manual of zoology. Zoology. II. ACEPHALA 321 plished by forcing blood from other regions into the foot. While this makes the foot on organ of locomotion, it often serves as a means of attachment. Inside is a large bysstis gland which can secrete silky threads, the byssus (fig. 324), one end of which is fastened to foreign objects by means of a finger-like process of the foot, while the other end remains in connection with the foot. Molluscs with a byssal gland are found anchored by byssal threads to stones, etc. The heart, surrounded by a pericardium, usually occupies the most dorsal part Stock Photo

RMPG400T–. A manual of zoology. Zoology. II. ACEPHALA 321 plished by forcing blood from other regions into the foot. While this makes the foot on organ of locomotion, it often serves as a means of attachment. Inside is a large bysstis gland which can secrete silky threads, the byssus (fig. 324), one end of which is fastened to foreign objects by means of a finger-like process of the foot, while the other end remains in connection with the foot. Molluscs with a byssal gland are found anchored by byssal threads to stones, etc. The heart, surrounded by a pericardium, usually occupies the most dorsal part

RMRDJFN6–. A manual of zoology. Zoology. II. ACEPHALA 321 plished by forcing blood from other regions into the foot. While this makes the foot on organ of locomotion, it often serves as a means of attachment. Inside is a large bysstis gland which can secrete silky threads, the byssus (fig. 324), one end of which is fastened to foreign objects by means of a finger-like process of the foot, while the other end remains in connection with the foot. Molluscs with a byssal gland are found anchored by byssal threads to stones, etc. The heart, surrounded by a pericardium, usually occupies the most dorsal part

. Fresh-water biology. Freshwater biology. Fig. 1018. Branchinecta coloradensis. Head of male, front view. (After Shantz.) X7. 13 (12) Basal segment of male clasping antenna armed with a large spiny process, one third as long as the segment, which arises just distal to the middle of the inner margin and projects proxi- mally, a prominent finger-like process with a tuberculated tip near inner proximal angle. Branchinecta packardi Pearse 1913. The five pregenital segments of female produced laterally into strong spinous processes; these grow larger posteriorly. Collected at La Junta, Colorado. F Stock Photo

RMPFYHEM–. Fresh-water biology. Freshwater biology. Fig. 1018. Branchinecta coloradensis. Head of male, front view. (After Shantz.) X7. 13 (12) Basal segment of male clasping antenna armed with a large spiny process, one third as long as the segment, which arises just distal to the middle of the inner margin and projects proxi- mally, a prominent finger-like process with a tuberculated tip near inner proximal angle. Branchinecta packardi Pearse 1913. The five pregenital segments of female produced laterally into strong spinous processes; these grow larger posteriorly. Collected at La Junta, Colorado. F

. An introduction to zoology, with directions for practical work (invertebrates). 354 INTRODUCTION TO ZOOLOGY said to be formed of two fused appendages, and bearing con- centric rows of hooks (Fig. 280, A) which, together with the three sucker - like projections from the end of the body, enable the larva to keep firmly fixed even in a strong current. On the first thoracic seg- ment also, there is a single finger-like process beset ter- minally with hooks, formed from two fused appendages. By means of these appendages at the two ends of the body, the larva creeps about fairly actively, moving i Stock Photo

RMRDGEYX–. An introduction to zoology, with directions for practical work (invertebrates). 354 INTRODUCTION TO ZOOLOGY said to be formed of two fused appendages, and bearing con- centric rows of hooks (Fig. 280, A) which, together with the three sucker - like projections from the end of the body, enable the larva to keep firmly fixed even in a strong current. On the first thoracic seg- ment also, there is a single finger-like process beset ter- minally with hooks, formed from two fused appendages. By means of these appendages at the two ends of the body, the larva creeps about fairly actively, moving i

. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Batrachian Study 195 upper and lower jaws, the latter being below and back of the former. The upper jaw moves back and forth slightly and rythmically, but the drop- ping of the lower jaw opens the mouth. There are three rows of tiny black teeth below the mouth and one row above; at the sides and below these teeth are little, finger-like fringes. Fringes, rows of teeth and jaws all work together, up and down, out and in, in the process of breathing. The nostrils, although minute, are p Stock Photo

RMPFYW2W–. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Batrachian Study 195 upper and lower jaws, the latter being below and back of the former. The upper jaw moves back and forth slightly and rythmically, but the drop- ping of the lower jaw opens the mouth. There are three rows of tiny black teeth below the mouth and one row above; at the sides and below these teeth are little, finger-like fringes. Fringes, rows of teeth and jaws all work together, up and down, out and in, in the process of breathing. The nostrils, although minute, are p

. Text book of zoology. Zoology. Glass 6. Mammalia. Order 6. Proboseidea. 511 common membrane. The snout is produced into a long trunk, bearing tbe nares and, in the Indian Elephant, a finger-like process at the tip; it is a prehensile organ, and conveys food (plants) to the mouth; water is sucked up into it and squirted into the mouth, towards which the tip can be directed. The pinnse are large dependent flaps. The mammse (two) are close to the forelegs. The head is borne upon a short thick neck, and is of colossal size; the cranium small; extensive air sacs in the bones of the head. Incisors Stock Photo

RMRE3D1B–. Text book of zoology. Zoology. Glass 6. Mammalia. Order 6. Proboseidea. 511 common membrane. The snout is produced into a long trunk, bearing tbe nares and, in the Indian Elephant, a finger-like process at the tip; it is a prehensile organ, and conveys food (plants) to the mouth; water is sucked up into it and squirted into the mouth, towards which the tip can be directed. The pinnse are large dependent flaps. The mammse (two) are close to the forelegs. The head is borne upon a short thick neck, and is of colossal size; the cranium small; extensive air sacs in the bones of the head. Incisors

. A manual of zoology. Zoology. 644 CHORD AT A.. Fig. 667.—Inside of left lower jaw of Klephai^ indicium, the alveoli opened. (After Owen.) i, functional molar; 2. its successor. at a time is functional (fig. 607, long proboscis with a finger-like process at the tip, lastly by the dentition. Canines are entirely lacking, but the incisors of the ujiper jaw have pnlps and therefore continue to grow throughout life, forming the well-known tusks. In the living elephants there are but a single pair of tusks, but in some extinct JIastodons there were a second smaller pair in the lower jaw, while in Stock Photo

RMRE07G2–. A manual of zoology. Zoology. 644 CHORD AT A.. Fig. 667.—Inside of left lower jaw of Klephai^ indicium, the alveoli opened. (After Owen.) i, functional molar; 2. its successor. at a time is functional (fig. 607, long proboscis with a finger-like process at the tip, lastly by the dentition. Canines are entirely lacking, but the incisors of the ujiper jaw have pnlps and therefore continue to grow throughout life, forming the well-known tusks. In the living elephants there are but a single pair of tusks, but in some extinct JIastodons there were a second smaller pair in the lower jaw, while in

RMRDAG67–. Fresh-water biology. Freshwater biology. Fig. 1018. Branchinecta coloradensis. Head of male, front view. (After Shantz.) X7. 13 (12) Basal segment of male clasping antenna armed with a large spiny process, one third as long as the segment, which arises just distal to the middle of the inner margin and projects proxi- mally, a prominent finger-like process with a tuberculated tip near inner proximal angle. Branchinecta packardi Pearse 1913. The five pregenital segments of female produced laterally into strong spinous processes; these grow larger posteriorly. Collected at La Junta, Colorado. F

. Text-book of embryology. Embryology. 228 INVEETEBEATA CHAP. rucking up of the representative of the dorsal surface into an out- standing fold, just as the growth of the endodermic rudiment in the pathological blastulae of Echinus, produced by rearing the eggs in warm water, leads to the formation of a gut rudiment which projects from the surface of the blastula like the finger of a glove. Another suggested explanation of reversion is that it is conditioned by the pressure exerted on the egg by the tough chorion. The peculiarity about the process is that whilst the dorsal surface increases in Stock Photo

RMRDHEAW–. Text-book of embryology. Embryology. 228 INVEETEBEATA CHAP. rucking up of the representative of the dorsal surface into an out- standing fold, just as the growth of the endodermic rudiment in the pathological blastulae of Echinus, produced by rearing the eggs in warm water, leads to the formation of a gut rudiment which projects from the surface of the blastula like the finger of a glove. Another suggested explanation of reversion is that it is conditioned by the pressure exerted on the egg by the tough chorion. The peculiarity about the process is that whilst the dorsal surface increases in

. The comparative anatomy of the domesticated animals. Veterinary anatomy. 90 THE BONES, elevated, is followed by an acromion whose extremity reaches to above the scapulo- humeral articulation. The latter is separated from the remainder of the spine by a constriction called the pedicle of the acromion. The coracoid process is voluminous, and resembles a st mi-flexed finger. The clavicle extends from the acromion to the sternum; it is flattened above and below, and flexed like an italic S, This inflexion of the clavicle is more pronounced in the male than the female. B. Arm.—The humerus of Man Stock Photo

RMRPY05H–. The comparative anatomy of the domesticated animals. Veterinary anatomy. 90 THE BONES, elevated, is followed by an acromion whose extremity reaches to above the scapulo- humeral articulation. The latter is separated from the remainder of the spine by a constriction called the pedicle of the acromion. The coracoid process is voluminous, and resembles a st mi-flexed finger. The clavicle extends from the acromion to the sternum; it is flattened above and below, and flexed like an italic S, This inflexion of the clavicle is more pronounced in the male than the female. B. Arm.—The humerus of Man

. Outlines of zoology. Zoology. 700 MAMMALIA. third trochanter or process for the insertion of muscles. There are usually twenty-three dorso-lumbar vertebras. As to the dentition, the premolars and molars form a continuous series, with broad transversely ridged crowns, the last premolars often very like the molars. The stomach is simple, the ceecum is large, there is no gall bladder. The mammae are inguinal; the placenta is diffuse and non-deciduate. Faviilies of Perissodactyla. Family Tapiridoe. In the Tapirs (Tapirus), there are four digits in the maniis, but the third finger is still practi Stock Photo

RMRE06BD–. Outlines of zoology. Zoology. 700 MAMMALIA. third trochanter or process for the insertion of muscles. There are usually twenty-three dorso-lumbar vertebras. As to the dentition, the premolars and molars form a continuous series, with broad transversely ridged crowns, the last premolars often very like the molars. The stomach is simple, the ceecum is large, there is no gall bladder. The mammae are inguinal; the placenta is diffuse and non-deciduate. Faviilies of Perissodactyla. Family Tapiridoe. In the Tapirs (Tapirus), there are four digits in the maniis, but the third finger is still practi

RMRDC0AR–. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Batrachian Study 195 upper and lower jaws, the latter being below and back of the former. The upper jaw moves back and forth slightly and rythmically, but the drop- ping of the lower jaw opens the mouth. There are three rows of tiny black teeth below the mouth and one row above; at the sides and below these teeth are little, finger-like fringes. Fringes, rows of teeth and jaws all work together, up and down, out and in, in the process of breathing. The nostrils, although minute, are p

$. An introduction to zoology, with directions for practical work (invertebrates). CHAP. IV PORIFERA 53 or it may form a branched finger-like mass, as in the common Chalina oculata, often thrown up on the beach after storms; or it may form encrusting masses with many oscula, each raised on a little pro- jecting crater-like process, as in the crumb-of-bread sponge, Halichondria (Fig. 26), which is common on rocks and weeds even above low tide tnarlr â¢ nfhprs acrain form Fk- 26.âThe Biead-onimb Sponge marK, Otners again torm ^ffalichondriapanicea) {na.tnT!d size). much larger and more com- â^ ^^ Stock Photo$

RMRDGHKK–. An introduction to zoology, with directions for practical work (invertebrates). CHAP. IV PORIFERA 53 or it may form a branched finger-like mass, as in the common Chalina oculata, often thrown up on the beach after storms; or it may form encrusting masses with many oscula, each raised on a little pro- jecting crater-like process, as in the crumb-of-bread sponge, Halichondria (Fig. 26), which is common on rocks and weeds even above low tide tnarlr â¢ nfhprs acrain form Fk- 26.âThe Biead-onimb Sponge marK, Otners again torm ^ffalichondriapanicea) {na.tnT!d size). much larger and more com- â^ ^^

$. An introduction to zoology, with directions for practical work (invertebrates). . CHAP. IV PORIFERA 53 or it may form a branched finger-like mass, as in the common Chalina oculata, often thrown up on the beach after storms; or it may form encrusting masses with many oscula, each raised on a little pro- jecting crater-like process, as in the crumb-of-bread sponge, Halichondria (Fig. 26), which is common on rocks and weeds even above low tide tnarlr â¢ nfhprs acrain form Fk- 26.âThe Biead-onimb Sponge marK, Otners again torm ^ffalichondriapanicea) {na.tnT!d size). much larger and more com- â^ Stock Photo$

RMRDGHKT–. An introduction to zoology, with directions for practical work (invertebrates). . CHAP. IV PORIFERA 53 or it may form a branched finger-like mass, as in the common Chalina oculata, often thrown up on the beach after storms; or it may form encrusting masses with many oscula, each raised on a little pro- jecting crater-like process, as in the crumb-of-bread sponge, Halichondria (Fig. 26), which is common on rocks and weeds even above low tide tnarlr â¢ nfhprs acrain form Fk- 26.âThe Biead-onimb Sponge marK, Otners again torm ^ffalichondriapanicea) {na.tnT!d size). much larger and more com- â^

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